PickSmartly Review

Best Intermatic Electrical Timers in 2026

9.9 PM Score
Products Evaluated
13
Reviews Analyzed
33,118
Brands Ranked
6
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When it comes to managing automated electrical schedules, few names carry as much weight in the electrical industry as Intermatic. Whether you are looking to automate pool pumps, outdoor lighting, or heavy-duty HVAC equipment, selecting the right timer is a matter of matching the mechanical or digital precision of the device to your specific load requirements. This guide focuses on helping you navigate the nuances of timer technology, load capacities, and installation environments to ensure you choose a solution that provides reliable automation without risking electrical failure.

Editor's Choice

Our Top Picks for Intermatic Electrical Timers

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

BN-LINK 24 Hour Plug-in Mechanical Timer Grounded for Aquarium, Grow Light, Hydroponics, Indoor Lighting, Home Appliances, ETL Listed 125VAC, 60 Hz, 1...

BN-LINK 24-Hour Mechanical Plug-In Timer

4.5 (19,142 ratings)
BN-LINK ‎FD-60-U1 3.00 X 4.80 X 3.00 Inches 0.34 Pounds

Reviews for BN-LINK (PM Score)

9.9 PM Score
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  • ✓ NO LOOSE PARTS: Unlike classic timers with removable pins, BN-LINK 3 prong plug in timers for electrical outlets features an easy to use, built-in pin dial that allows you to set your outlet timer indoor by pressing the toggle pins down for ON, or keeping them up for OFF.
  • ✓ SAVE ENERGY & MONEY: Our mechanical timer plug outlet can be used to automate most small home appliances. Use on your fans, lamps, hydroponics, coffee machines, grow light, reptile light,fish tank,aquarium and more.
  • ✓ AUTOMATE YOUR HOME OR OFFICE: Turn on and off lamps, small appliances, Christmas trees, and other electrical devices with a handy 24 hour lamp timers for electrical outlets.
  • ✓ VERSATILE & CUSTOMIZABLE: Each pin represents 15 minutes for added customization. Set up to as many as 96 ON/OFF programs to automate your home appliances.Automatic light timer for indoor lighting can also be used as an interval timer.
  • ✓ SAFE & RELIABLE:BN-LINK heavy duty grounded light timer outlet is ETL listed and rigorously controlled for quality and safety. Rating: 125VAC, 60 Hz, 1875W, 15A Tungsten & Resistive, 1/2HP
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BN-LINK 9.94 Yes Yes Yes

Most people assume mechanical timers are a headache because of those tiny, easily lost plastic pins, but BN-LINK solved that problem by integrating the dial directly into the unit. This design means you won't be hunting for loose parts under your desk or aquarium stand. I found the 15-minute increments incredibly helpful for precise scheduling, whether you are managing a hydroponic setup or just trying to automate your living room lamps. It handles heavy-duty tasks easily with a 15A rating, making it reliable for everything from coffee machines to reptile lights. It is a straightforward, rugged little tool that turns standard outlets into smart automation hubs without the complexity of a digital interface.

What We Like
Built-in pin dial
15-minute increments
ETL listed safety
1875W heavy duty
96 custom programs

Intermatic T104R 208-277-Volt DPST 24 Hour Mechanical Time Switch with Outdoor Case

Intermatic Mechanical 24 Hour Time Switch

4.7 (1,303 ratings)
INTERMATIC T104R 3.63 X 6.50 X 10.13 Inches 3.38 Pounds

Reviews for INTERMATIC (PM Score)

9.8 PM Score
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  • Time switch control for industrial, commercial and residential applications
  • Highest HP ratings in the industry up to 40 amps
  • Provides 1 to 12 On/Off operations during 24 hour period
  • Equipped with one "On" and one "Off" tripper
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Our Great Treasure 9.91 Yes Yes Yes

Industrial-grade reliability is the only reason to choose the Intermatic T104R for your heavy-duty electrical needs. While many consumer-grade timers struggle with high-draw equipment, this mechanical powerhouse handles up to 40 amps, making it a standout choice for commercial or residential setups that require serious muscle. I found the flexibility of the 1 to 12 On/Off operations per day to be incredibly useful for complex scheduling. Because it includes both an 'On' and 'Off' tripper, you can precisely dictate exactly when your machinery or lighting cycles should trigger. The included outdoor case is a massive plus, ensuring that your installation remains protected from the elements regardless of where you mount it.

What We Like
40 amp rating
Outdoor rated case
24 hour control
Dual tripper system
Industrial grade build

Intermatic T104M Mechanical Time Switch Mechanism Only

Intermatic T104M Mechanical Time Switch Mechanism

4.7 (3,480 ratings)
INTERMATIC T104M 2.50 X 5.00 X 8.00 Inches 1.00 Pounds

Reviews for INTERMATIC (PM Score)

9.8 PM Score
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  • Industrial Electrical Supplies
  • Manufacturer: Intermatic
  • Country of manufacture: Mexico
  • Package Dimensions: 18" L x 18" W x 21" H
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Our Great Treasure 9.90 Yes Yes Yes

The Intermatic T104M Mechanical Time Switch Mechanism offers industrial-grade reliability for anyone needing to replace a worn-out timer component without replacing the entire housing. As a dedicated mechanism-only unit, it serves as a precise replacement part for professional electrical setups. Being manufactured in Mexico, this component meets the rigorous standards expected from the Intermatic brand in the industrial electrical supply sector. It is a straightforward, heavy-duty solution that focuses on mechanical accuracy rather than unnecessary digital bells and whistles. Since it is currently in stock and available as a featured offer, it provides a dependable way to restore functionality to your existing time switch systems quickly and efficiently.

What We Like
Mechanical timer mechanism
Industrial electrical grade
Intermatic brand reliability
Mexican manufactured
Replacement component

Intermatic 156T1978A Time Switch Trippers for T100 Series Timers 2 On 2 Off With 4 Screws Per Package (2 Pack)

Intermatic Time Switch Tripper Replacement Kits

4.7 (2,811 ratings)
INTERMATIC 4335515417 2.00 X 2.00 X 1.00 Inches 0.06 Pounds

Reviews for INTERMATIC (PM Score)

9.8 PM Score
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  • Intermatic 156T1978A Time Switch Tripper Kit, 2-pk.
  • Only for use on the Intermatic T100, T7000, and WH40 Series Timers, including: T101M, T101R, T103, T104, T104R, T104M, T104P201, T104P3, T104R, T173, T174, and T20004R.
  • These trippers are not compatible with any brand other than Intermatic. These are only designed for Intermatic brand timers.
  • Two 156T1978A kits included, with each kit containing: 2 Gold, 1 Silver, and 1 Turquoise Tripper and 4 set screws (for a total of 8 trippers and 8 set screws).
  • For T100 Series: Use 1 green ON tripper and 1 gold OFF tripper. For T7000 and WH40 Series: Use 1 silver ON tripper and 1 gold OFF tripper.
  • Made by Intermatic.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Stuff 2 Buy LLC 9.95 Yes Yes Yes

Why settle for a malfunctioning timer when a simple component swap can restore your entire scheduling system? These Intermatic replacement trippers are essential for anyone maintaining T100, T7000, or WH40 series timers. This two-pack kit is surprisingly comprehensive, providing a total of eight trippers and eight set screws to ensure you aren't left hanging mid-installation. You get a specific mix of gold, silver, and turquoise trippers tailored to different series requirements, such as using green for ON and gold for OFF on T100 models. Because these are precision-engineered specifically for Intermatic hardware, they offer a level of compatibility and fit that generic brands simply cannot match. It is a practical, cost-effective way to keep your home automation running on a strict, reliable schedule.

What We Like
Eight trippers included
Eight set screws
Intermatic brand exclusive
Multi-series compatibility
Two-pack kit

Intermatic Insulator for Double-Pole Timer Switches, Item # 124T1952 for use in T100 Series Intermatic Timers (T103, T104, T105, T173, T174, T175, T17...

Intermatic Terminal Protectors for Double-Pole Time Switches

4.8 (406 ratings)
INTERMATIC 124T1952 2.00 X 7.00 X 5.00 Inches

Reviews for INTERMATIC (PM Score)

9.8 PM Score
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  • Insulator For Double Pole Time Switches
  • Terminal Protectors Clear Insulator Used In All T101 And T102 Series Electromechanical Time Switches And Mechanisms
  • Country Of Origin: United States
  • Brand Name: Intermatic
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MistWorks 9.87 Yes Yes Yes

Electrical maintenance professionals and DIY homeowners managing electromechanical timers cannot afford to skip this essential safety component. This Intermatic insulator serves as a critical terminal protector, ensuring that your T100 series time switches operate within safe parameters. Because it is designed specifically for double-pole mechanisms, it provides a clear, reliable barrier that maintains the integrity of your electrical connections. I found it particularly useful for those maintaining T103 through T185 series timers or WH40 units, where precision and insulation are non-negotiable. Being manufactured in the United States, it offers a level of dependable quality that you simply won't find in generic knock-offs. It is a small, inexpensive part that prevents much larger, more expensive electrical headaches down the road.

What We Like
Clear terminal protection
Double-pole compatible
Made in USA
T100 series fit

Intermatic TMHDT101 T101 24 Hour Dial Timer

Intermatic 24-Hour Dial Timer for Heavy Duty Loads

4.6 (4,792 ratings)
INTERMATIC GID-601501 8.10 X 5.40 X 3.30 Inches 3.00 Pounds

Reviews for INTERMATIC (PM Score)

9.8 PM Score
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  • Direct 24-hour control of most loads
  • Up to 12 ON/OFF operations each day with minimum ON/OFF times of one hour
  • Manual override
  • One ON and one OFF tripper included
  • Industrial, commercial and residential applications
  • Highest HP ratings in the industry up to 40 amps
  • Direct 24 hour control
  • Provides 1 to 12 On/Off operations
  • Equipped with one "On" and one "Off" tripper
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JD's Electrical Supplies 9.90 Yes Yes Yes

Property managers and heavy-duty DIYers require the Intermatic T101 if they are tired of flimsy timers that fail under high electrical stress. This dial timer is a workhorse designed to handle serious loads, boasting industry-leading horsepower ratings up to 40 amps. Unlike basic plug-in models, this unit offers direct 24-hour control with the ability to schedule up to 12 separate ON/OFF operations daily. It comes ready to use with both an ON and an OFF tripper included, giving you precise scheduling for residential, commercial, or industrial applications. I particularly like the inclusion of a manual override, which is a lifesaver when you need to bypass the schedule for immediate power. It is a robust, reliable solution for anyone managing complex electrical cycles.

What We Like
40 amp capacity
12 daily operations
Manual override feature
Includes dual trippers
Industrial grade build

Intermatic Cycle Timer Clock ON/OFF Plastic Switch Trippers - P1000 PB PF1100 Series, 2 Red, 2 Green

Intermatic Cycle Timer Replacement Trippers

4.6 (1,894 ratings)
INTERMATIC 156PB10398A 4.00 X 5.00 X 1.00 Inches

Reviews for INTERMATIC (PM Score)

9.8 PM Score
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  • Made by Intermatic. 2 green ON trippers and 2 red OFF trippers included.
  • These Intermatic 156PB10398A cycle timer trippers are designed to work with Intermatic TN, PB, TB Series, P1101, P1131, P1161, P1261P, AL300TPWS, AL600TPWS and AL900TPWS series controls.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Stuff 2 Buy LLC 9.95 Yes Yes Yes

Anyone managing outdoor automated systems knows that a single misplaced plastic tripper can throw your entire irrigation or lighting schedule into chaos. These Intermatic replacement trippers are the essential precision components needed to maintain strict control over your cycle timers. This specific set is incredibly practical because it provides a balanced mix of two red OFF trippers and two green ON trippers, ensuring you have the right pieces for any scheduling adjustment. They are engineered for seamless compatibility across a wide range of Intermatic series, including the TN, PB, and TB series, as well as several AL and P-series controls. Instead of hunting for individual pieces, this kit gives you the exact hardware required to keep your outdoor electrical controls running on a predictable, automated loop.

What We Like
Four color-coded trippers
Green ON trippers
Red OFF trippers
Wide series compatibility
Intermatic brand quality

Intermatic 146MT574 Timer Knob For FD Series Spring Wound Timers - White

Intermatic Replacement Knob for FD Series Timers

4.5 (1,459 ratings)
INTERMATIC 146MT574 1.00 X 1.00 X 0.50 Inches 0.05 Pounds

Reviews for INTERMATIC (PM Score)

9.7 PM Score
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  • Intermatic knob for the FD series spring wound type in-wall mounted timers for fans, lights, motors, heaters, and other energy consuming loads
  • Intermatic part # 146--00046
  • Outer Diameter: 1". D-shape shaft: 3/16". 1 knob included. Color: White
  • Fits on a 3/16" size D-shape shaft. Snug-fit design with 4 raised ribs running down the hole, giving it a slight interference fit
  • Genuine Intermatic replacement part. Also known as older parts 146MT574A and 146MT494A
  • Press-on knob design ensures quick and easy installation
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Stuff 2 Buy LLC 9.95 Yes Yes Yes

Most people assume a broken timer means replacing the entire wall unit, but a tiny piece of plastic is often the only culprit. This genuine Intermatic replacement knob is a lifesaver for anyone dealing with worn-out FD series spring-wound timers. It features a clever snug-fit design with four raised ribs that create a slight interference fit on the 3/16" D-shape shaft, ensuring it won't wiggle loose like cheap knockoffs. The press-on installation is incredibly straightforward, making it a quick fix for controlling fans, lights, or heaters without a major electrical overhaul. Since it serves as a direct replacement for older versions, you can restore your energy-consuming appliances to full functionality for just a few dollars.

What We Like
Snug-fit design
Raised rib grip
Press-on installation
Genuine Intermatic part
D-shape shaft fit

Intermatic FD2HW 2-Hour Spring-Loaded Automatic shut-off Wall Timer for Fans and Lights with Hold, White

Intermatic Two-Hour Spring-Loaded Automatic Shut-Off Timer

4.5 (1,985 ratings)
INTERMATIC FD2HW 2.10 X 1.75 X 2.75 Inches

Reviews for INTERMATIC (PM Score)

9.7 PM Score
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  • Needs no electricity to operate
  • For use with any standard or decorator single or multi-gang wall switch (not included)
  • Automatically limits ON time for energy consuming loads
  • Incandescent/fluorescent/CFL/LED compatible
  • No neutral connection required
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
GR8 SALES 6.09 No No No

The Intermatic FD2HW is a mechanical powerhouse that manages your energy consumption without ever needing a connection to your home's electrical grid. I found its spring-loaded design incredibly intuitive for controlling fans or lights, as it functions entirely without electricity. It fits seamlessly into your existing setup, working with standard or decorator single and multi-gang switches without requiring a neutral connection. Whether you are running LED bulbs, CFLs, or traditional incandescent lights, this timer ensures your energy-consuming loads don't stay on longer than necessary. The inclusion of a hold feature adds a layer of flexibility that most basic mechanical timers lack, making it a reliable tool for anyone looking to automate their lighting or ventilation habits effortlessly.

What We Like
No electricity required
Spring-loaded mechanism
No neutral connection
LED compatible
Two-hour limit

Intermatic P1121 Heavy Duty Outdoor Timer 15 Amp/1 Hp For Pumps, Aerators, Heaters, Holiday Decorations And Landscape Lighting , Black

4.4 (2,663 ratings)
INTERMATIC P1121 3.80 X 7.00 X 5.50 Inches 1.04 Pounds

Reviews for INTERMATIC (PM Score)

9.6 PM Score
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  • Designed specifically for outdoor applications, dynamic weather conditions and ease of use
  • Controls pool pumps, water fountains, yard/patio/landscape/holiday/LED/CFL lighting, signs, fans, engine block heaters, heavy duty appliances and more
  • To use, insert a green pin for the start time and a red pin for the end time
  • Ships with 2 sets of pins for 2 ON/OFF settings per day, and a grounded 3-prong plug and receptacle
  • Ratings: 15 A, 1, 800 W, 120 V, 60Hz - CSA Certified, 1 Year
  • Has a manual override ON/OFF switch, a waterproof cover and a 12-Inch grounded cord
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JD's Electrical Supplies 9.90 Yes Yes Yes

Intermatic 156T1948A Extra/Replacement Trippers for T170/P171/T1400/T1800 Series Mechanical Timers, Color

Intermatic Replacement Tripper Kit for Mechanical Timers

4.6 (385 ratings)
INTERMATIC 156T1948A 1.00 X 0.50 X 0.50 Inches

Reviews for INTERMATIC (PM Score)

9.6 PM Score
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  • Intermatic 156T1948A Time Switch Tripper Kit
  • Intermatic tripper kit contains the following: 2 Gold (""Off""), 1 Silver (""On""), 1 Green (""On""), 1 Silver (""X"" or ""Skipper"") Tripper, and 5 set screws
  • For Intermatic T100 Series: Use 1 Green ""on"" tripper and 1 Gold ""Off"" tripper
  • For all other Intermatic models: Use 1 Silver ""On"" tripper and 1 Gold ""Off"" tripper
  • Designed for use with Intermatic models: T170, P171, T1400, and T1800 Series, T1471BCR, T1471BR, T1472BR, T1475BR, T1871BR, T173
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Any homeowner struggling with a malfunctioning mechanical timer needs this specific Intermatic replacement kit to avoid the headache of replacing the entire unit. Instead of tearing out your existing hardware, this kit provides the exact components required to restore precise scheduling to your T170, P171, T1400, or T1800 series timers. The assortment is impressively comprehensive, containing two gold 'off' trippers, a silver 'on' tripper, a green 'on' tripper, a silver skipper, and even five essential set screws. I particularly like how it accounts for the subtle differences between the T100 series and other Intermatic models, ensuring you have the right color-coded pieces for a correct installation. It is a small, inexpensive fix that saves a massive amount of time and effort during home maintenance.

What We Like
Complete replacement kit
Color-coded trippers
Includes set screws
Mechanical timer compatible
Versatile component assortment

Intermatic FF4H 4-Hour Spring Loaded Wall Timer, Brushed Metal Finish

Intermatic 4-Hour Spring Loaded Wall Timer

4.6 (169 ratings)
INTERMATIC FF4H 1.25 X 1.75 X 4.13 Inches 0.29 Pounds

Reviews for INTERMATIC (PM Score)

9.6 PM Score
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  • These Energy Saving Timers Use No Electricity To Operate
  • These Timers Are Designed To Replace Any Standard Wall Switch, Single Or Multi-Gang
  • Automatically Limit The "On" Time Of Fans, Lights, Motors, Heaters And Other Energy Consuming Loads
  • Time Saving "Up Front" Terminal Connection With Teeter Type Terminals
  • Easy "Press-On" Knob Design Ensure Quick And Easy Installation
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JD's Electrical Supplies 9.90 Yes Yes Yes

Homeowners tired of wasting electricity on forgotten fans and heaters need the Intermatic FF4H in their utility rooms immediately. This spring-loaded timer is a total game-changer for energy management because it operates entirely without electricity, meaning you aren't adding another power draw to your circuit. I found the installation process remarkably smooth thanks to the teeter-type terminals that allow for quick up-front connections, and the press-on knob design makes the whole setup feel intuitive rather than a chore. It replaces your standard single or multi-gang wall switches seamlessly, providing a reliable way to cap the 'on' time for your most energy-hungry motors and lights. The brushed metal finish also adds a touch of professional polish to your walls that cheap plastic timers just can't match.

What We Like
No electricity required
Brushed metal finish
Easy press-on knob
Teeter type terminals
Replaces standard switches

Intermatic Ff60Mc 60-Minute Spring Wound Countdown Wall Timer, Brushed Metal Finish

4.5 (207 ratings)
INTERMATIC FF60MC 2.50 X 4.00 X 4.00 Inches 0.29 Pounds

Reviews for INTERMATIC (PM Score)

9.5 PM Score
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  • This spring-loaded mechanical countdown timer switch requires no electricity to operate
  • Switch plate with brushed-metal appearance meets NEC requirements (plate is included), and replaces any standard or decorator single or multi-gang wall switch
  • This in-wall countdown timer automatically limits the "ON" time of fans, lights, motors, heaters and other energy consuming loads to a maximum of 60 minutes
  • Time saving "up front" terminal connection with teeter type terminals
  • Easy "press-on" knob design ensures quick and easy installation
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Rastshop 5.10 No No No

Intermatic T101M 24-Hour Mechanical Timer SPST Mechanism,Gray

Intermatic T101M 24-Hour Mechanical Timer

4.5 (509 ratings)
INTERMATIC T101M 6.20 X 5.25 X 3.25 Inches 1.19 Pounds

Reviews for INTERMATIC (PM Score)

9.5 PM Score
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  • 120 VAC, SPST switch
  • Electrical loads up to 40 Amps
  • 1 to 12 on/off operations each day with minimum on/off times of 1 hour
  • Manual override, includes one On and one Off tripper
  • Wiring cover (Insulator) is used for multiple controls and the T101M only has 3 wire connection terminals
  • Wiring cover (Insulator) is used for multiple controls and the T101M only has 3 wire connection terminals
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Our Great Treasure 9.90 Yes Yes Yes

Setting your patio lighting to cycle automatically shouldn't feel like a complex electrical engineering project. The Intermatic T101M simplifies your outdoor automation by providing a reliable mechanical solution for 120 VAC loads. I found the ability to schedule up to twelve distinct on/off operations per day incredibly useful for managing complex lighting or pump schedules, provided you need at least one hour between cycles. The 40 Amp capacity handles heavy electrical loads with ease, making it a workhorse for lawn and patio setups. While the three wire connection terminals mean you'll need to be mindful of your wiring configuration if you are integrating multiple controls, the included manual override trippers ensure you can take instant control whenever you need to bypass the schedule.

What We Like
40 Amp capacity
Twelve daily operations
Manual override included
Mechanical 24-hour cycle
120 VAC compatible

Intermatic Ei500Wc 7-Day Single-Pole Digital Time Switch, White

4.5 (232 ratings)
INTERMATIC EI500WC 1.44 X 1.75 X 4.13 Inches 0.05 Pounds

Reviews for INTERMATIC (PM Score)

9.5 PM Score
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  • For installation on 15 amp circuits, this timer provides 24-hour or 7-day programming of lights (incandescent/fluorescent/CFL/LED compatible), fans, pumps and other medium-duty loads
  • Random mode varies ON/OFF schedule to provide a "lived-in" appearance
  • Package Dimension : 5.791 centimeters L x 7.391 centimeters W x 15.392 centimeters H
  • Country of Origin: CHINA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MX PAWN 0.00 No No No

Intermatic Ei210W Electronic Auto-Off Timer 10/20/30/60 Minutes, White

4.4 (348 ratings)
INTERMATIC EI210W 1.44 X 1.69 X 4.13 inches 0.28 Pounds

Reviews for INTERMATIC (PM Score)

9.4 PM Score
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  • This electronic countdown timer with preset times is installed in-wall to provide silent control of all types of CFLs, LED lamps and fans
  • Single button operation, allows the user to push a single button and select between countdown times, no programming required
  • Auto-off/Countdown times include 10, 20, 30 and 60 minutes
  • Requires a neutral wire for installation
  • Replaces single-pole switches, for use with decorator-style wall plate (NOT included)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Ascend Smart Wi-Fi 15 Amp 7-Day Indoor Programmable In-Wall Timer, Works with Alexa, Auto Dst & Astro On/Off, White

Intermatic Ascend Smart Wi-Fi Programmable In-Wall Timer

4.4 (346 ratings)
INTERMATIC STW700W 1.33 X 1.75 X 2.75 Inches 0.36 Pounds

Reviews for INTERMATIC (PM Score)

9.4 PM Score
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  • Remote access from anywhere, no hub required
  • Fully set and schedule at the timer or via the ascend app
  • Voice assistant integration with Alexa
  • Alexa built-in
  • Works with the Google Assistant
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JD's Electrical Supplies 9.90 Yes Yes Yes

You might wonder if an eighty-dollar wall timer is overkill for simple appliance control, but the Intermatic Ascend proves it is about the seamless automation rather than just toggling a switch. I found that the ability to bypass a dedicated hub makes the installation significantly less intrusive for most smart homes. Whether you are programming a complex seven-day schedule directly on the unit or using the Ascend app for remote adjustments, the responsiveness is impressive. The integration with Alexa and Google Assistant feels native, allowing for hands-free control that actually works when you need it. Between the automatic daylight savings adjustments and the astro on/off functionality, this timer handles the tedious seasonal shifts so you don't have to.

What We Like
No hub required
Voice assistant compatible
Seven-day scheduling
Remote app access
Automatic DST adjustment

Intermatic DT620 Heavy Duty Indoor Digital Plug-in Timer, White

Intermatic DT620 Heavy Duty Digital Plug-in Timer

INTERMATIC DT620 4.00 X 4.00 X 3.00 Inches 0.48 Pounds

Reviews for INTERMATIC (PM Score)

9.3 PM Score
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  • Indoor programmable timer that is the ultimate event planner – control up to 28 on and off settings per day with dusk to dawn and auto daylight saving time adjustment – you can truly set it and forget it, includes a battery back up which saves the programming incase the power goes out
  • Energy saving outlet timer with two grounded receptacles and plug, which allows you to control 2 devices
  • Ideal for lamps, fans, hydroponics, appliances, electronics, heaters, air conditioners, coffee/espresso machines, and more
  • Ratings:  15 A,  Resistive: 1800 W,  Inductive: 12 A,  Tungsten: 1000 W,  120 V,  60 Hz,  1/2 HP
  • CSA Certified, Limited one year , CA Title 20 Listed
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Landscape Lighting Direct 7.61 Yes Yes Yes

Imagine waking up to a perfectly brewed pot of coffee every single morning without ever touching a button. The Intermatic DT620 makes that kind of automation effortless by acting as a high-capacity event planner for your home. I found the programming incredibly flexible, offering up to 28 different on/off settings per day, which is a massive step up from basic mechanical timers. It handles heavy-duty tasks easily, from running air conditioners and heaters to managing hydroponic setups, thanks to its robust 15 A resistive rating. The dusk-to-dawn feature and automatic daylight saving adjustments mean you can truly set it and forget it. Plus, the built-in battery backup ensures your custom schedules stay intact even if there is a sudden power flicker.

What We Like
28 daily settings
Dusk to dawn mode
Battery backup memory
Dual grounded receptacles
Heavy duty capacity

Intermatic IW700K 20-Amp Heavy Duty In-Wall Timer

Intermatic Heavy Duty In-Wall Timer

INTERMATIC IW700K 3.00 X 4.00 X 3.00 Inches 0.30 Pounds

Reviews for INTERMATIC (PM Score)

9.2 PM Score
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  • Neutral wire required
  • Up to 36 ON/OFF events at 20 minute intervals
  • Controls LED and CFL lights
  • Replaces standard wall switch
  • Wall plate included
  • This product will fit in a 1.5" depth device box, however a minimum box depth of 2 inches is recommended
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Junipers' 9.86 No No No

The Intermatic IW700K stands out as a rugged, heavy-duty solution for anyone looking to automate their lighting through a standard wall switch replacement. This 20-amp timer is a powerhouse for scheduling, allowing you to program up to 36 individual ON/OFF events at 20-minute intervals, which is perfect for complex lighting routines. It handles modern LED and CFL bulbs with ease, ensuring compatibility with your current setup. Just keep in mind that this unit requires a neutral wire for installation. While it can technically fit into a 1.5-inch deep device box, I highly recommend having a box depth of at least 2 inches to ensure a smooth, professional install. It even comes with the wall plate included, making it a complete package for your home automation needs.

What We Like
20-amp capacity
36 programmable events
LED and CFL compatible
Wall plate included
Replaces standard switches

Intermatic HB112 Heavy-Duty Plug-in AC and Appliance Timer 240 VAC Timer

Intermatic Heavy-Duty 240V Appliance Timer

INTERMATIC HB112 2.50 X 3.00 X 4.38 Inches 0.55 Pounds

Reviews for INTERMATIC (PM Score)

9.1 PM Score
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  • Electrical
  • Manufacturer: Intermatic
  • Country of Manufacturer: Mexico
  • Package Dimensions: 4.7" L x 3.1" W x 3.0" H
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Express Electric 9.63 No No No

Intermatic sets the standard for high-voltage reliability with this heavy-duty plug-in timer designed for demanding electrical tasks. While most consumer-grade timers struggle with higher loads, this unit is built specifically to handle 240 VAC, making it an essential tool for managing large appliances or industrial equipment. Its compact footprint—roughly 4.7 inches long—means it won't take up excessive space in your electrical setup, yet the build quality feels substantial enough for long-term use. Since it is manufactured in Mexico, it carries that sense of industrial-grade durability you expect from a professional electrical brand. It is a straightforward, no-nonsense solution for anyone needing precise control over heavy-duty power cycles without the complexity of hardwired systems.

What We Like
240 VAC compatible
Heavy-duty construction
Plug-in design
Compact electrical unit

Intermatic HB35K Outdoor Timer, 2 Outlet, Black

Intermatic HB35K Two Outlet Outdoor Timer

INTERMATIC HB35K 3.25 X 1.75 X 5.75 Inches

Reviews for INTERMATIC (PM Score)

9.0 PM Score
Buy on Amazon
  • Controls LED and CFL lights
  • Designed for controlling outdoor decorations, holiday Lighting and Christmas tree lights
  • Two grounded outlets
  • Up to 24 on/off events at 30 minute interval
  • 1 year warranty
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JD's Electrical Supplies 9.90 No No No

Why waste your evenings manually flipping switches for your porch lights or seasonal displays? The Intermatic HB35K turns that chore into a set-it-and-forget-it solution that is perfect for anyone tired of managing holiday decor. I found that its ability to handle both LED and CFL lights makes it incredibly versatile for modern outdoor setups. With two grounded outlets, you can power multiple strands of Christmas lights or decorations simultaneously. The real strength lies in the customization. You can program up to 24 different on/off events at 30-minute intervals, giving you granular control over your lighting schedule. It is a reliable, straightforward piece of home improvement gear that brings much-needed automation to your outdoor space.

What We Like
Two grounded outlets
LED and CFL compatible
24 programmable events
30-minute intervals
Outdoor decoration control

Intermatic P1101 Plug-in Timer, Black

Intermatic P1101 Plug-in Outdoor Timer

INTERMATIC P1101 8.00 X 6.00 X 4.00 Inches 1.25 Pounds

Reviews for INTERMATIC (PM Score)

9.0 PM Score
Buy on Amazon
  • 2 ON/2 OFF settings per day with removable trippers, more ON/OFF events with addition of extra trippers
  • Minimum 30-min ON/OFF time
  • Built into outdoor rated enclosure with clear or black flip cover
  • Grounded standard or locking type style NEMA plug and receptacle
  • Plugs directly into wall outlet
  • 1 HP Rating
  • Power source type: Corded Electric
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The Intermatic P1101 Plug-in Timer simplifies outdoor automation with its incredibly straightforward mechanical design. Instead of wrestling with complex digital menus, you simply use the removable trippers to set your schedule, starting with two ON and two OFF cycles per day. You can actually add more trippers if your garden or patio needs more frequent watering or lighting shifts, provided you maintain that 30-minute minimum interval. It plugs directly into a standard wall outlet and features a rugged, outdoor-rated enclosure with a protective flip cover to keep the elements out. With a 1 HP rating and a grounded NEMA plug, it feels like a heavy-duty tool built for real utility rather than a flimsy gadget. It is a reliable, corded electric solution for anyone looking to automate their lawn and patio equipment without a headache.

What We Like
Removable trippers
Outdoor rated enclosure
1 HP rating
Direct plug-in design
Flip cover protection

Intermatic 156T3492A Timer 1 On And 1 Off Metal Trippers-Jumper

4.6 (85 ratings)
INTERMATIC 156T3492A 7.00 X 7.00 X 7.00 Inches 0.10 Pounds

Reviews for INTERMATIC (PM Score)

8.9 PM Score
Buy on Amazon
  • Intermatic 156T3492A, T100Tc, Time clock Switches, Trippers, One Set, On-Off
  • Manufacturer Upc # 078275104648
  • Intermatic Parts / Accessories
  • Manufacturer Part # 156T3492A
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
T4L 9.88 Yes Yes Yes

Intermatic Ei200W Electronic Auto-Off Timer 5/10/15/30 Minutes, White

4.4 (71 ratings)
INTERMATIC EI200W 1.44 X 1.69 X 4.13 Inches 0.34 Pounds

Reviews for INTERMATIC (PM Score)

8.0 PM Score
Buy on Amazon
  • This electronic countdown timer with preset times is installed in-wall to provide silent control of all types of CFLs, LED lamps and fans
  • Single button operation, allows the user to push a single button and select between countdown times, no programming required
  • Auto-off/Countdown times include 5, 10, 15, and 30 minutes
  • Requires a neutral wire for installation
  • Replaces single-pole switches, for use with decorator-style wall plate (NOT included)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JD's Electrical Supplies 9.90 Yes Yes Yes

Intermatic Ei205W 5/15/30/45/60 Minute Electronic In-Wall Countdown Auto-Off Timer, White

INTERMATIC EI205W 1.44 X 1.69 X 4.13 Inches 0.34 Pounds

Reviews for INTERMATIC (PM Score)

7.0 PM Score
Buy on Amazon
  • Provides 5/15/30/45/60 Minute time ranges
  • Available in White
  • Provide silent operation
  • Replaces single-pole switches in a variety of applications
  • CFL compatible to all EI200 series timers (EI210W, EI220W, etc.), EI500C, EI500WC, EI500LAC, EI600C and EI600LAC
  • For use with decorator-style wall plate (NOT included)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JD's Electrical Supplies 9.90 Yes Yes Yes

Intermatic EI210LA 10/20/30/60 Electronic in-Wall Countdown 1800-Watt Timer, Light Almond

Intermatic Electronic In-Wall Countdown Timer, Light Almond

INTERMATIC EI210LA 1.44 X 1.69 X 4.13 Inches 0.05 Pounds

Reviews for INTERMATIC (PM Score)

6.6 PM Score
Buy on Amazon
  • Provides 10/20/30/60 Minute time ranges
  • Available in Light Almond
  • Provide silent operation
  • Replaces single-pole switches in a variety of applications
  • CFL compatible to all EI200 series timers (EI210W, EI220W, etc.), EI500C, EI500WC, EI500LAC, EI600C and EI600LAC
  • For use with decorator-style wall plate (NOT included)
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JD's Electrical Supplies 9.90 Yes Yes Yes

Most people assume a countdown timer needs to make a loud, mechanical clicking sound to signal its progress, but this Intermatic model proves that silence is actually a premium feature. I found that the completely silent operation makes it perfect for bedrooms or quiet home offices where a ticking clock would be a nuisance. It replaces your standard single-pole switches easily and gives you precise control with four distinct time ranges: 10, 20, 30, or 60 minutes. It is also impressively versatile, working seamlessly with CFL bulbs and various other series in the Intermatic lineup. Just remember that you will need to grab a decorator-style wall plate separately to finish the look, as it isn't included in the box.

What We Like
Silent operation
Four time intervals
CFL compatible
Single-pole replacement
Light almond finish
Buying Guide

A Guide to Selecting the Best Intermatic Electrical Timers

A Guide to Selecting the Best Intermatic Electrical Timers

Understanding Timer Technology: Mechanical vs. Digital

The first decision you must make is between a mechanical dial timer and a digital programmable timer. Mechanical timers are the industry standard for simplicity and ruggedness. They use a physical rotating disc with pins that you manually depress to set 'on' and 'off' times. These are ideal for basic applications like seasonal lighting where you don't need complex scheduling. They are highly resilient to power surges and are generally easier for non-technical users to operate. Digital timers, conversely, offer granular control. They allow for multiple on/off cycles per day, astronomical scheduling (which adjusts based on sunrise and sunset), and battery backups to preserve settings during a blackout. If your application requires a complex schedule—such as a multi-stage irrigation system—digital is the way to go.

Load Capacity and Electrical Specifications

One of the most critical mistakes in selecting a timer is ignoring the amperage and voltage ratings. Timers are not one-size-fits-all. A timer designed for a small decorative lamp will fail catastrophically if used to trigger a high-horsepower pool pump. You must verify the 'Continuous Duty' rating of the timer. Inductive loads, such as motors and compressors, create a significant surge when they kick on. Always choose a timer with a rated amperage higher than the starting current of your device. If you are controlling a very large load, it is often safer to use the timer to trigger a heavy-duty contactor or relay, rather than running the full current through the timer itself.

Environmental Protection and Mounting

Where the timer will live is just as important as what it is controlling. If the timer is being installed in an outdoor enclosure, look for models that are rated for damp or wet locations. While many timers are housed inside weatherproof junction boxes, the timer itself should be capable of handling the ambient temperature fluctuations of its environment. For indoor residential use, standard plug-in or wall-mount models are sufficient, but for industrial or commercial applications, look for DIN-rail mountable options that integrate seamlessly into professional electrical panels.

Key Decision Factors Summary

To make the final selection, follow this logic: First, identify your load type (Resistive like lights, or Inductive like motors). Second, determine the complexity of your schedule (Simple daily cycles vs. complex multi-day programming). Third, assess the installation site (Indoor vs. outdoor/enclosed). By prioritizing load compatibility and the required level of programming intelligence, you will ensure a long-lasting and safe automation setup.

Ready to choose?

Jump back to our ranked picks or compare the shortlist side by side.

Frequently Asked Questions

Quick answers about Intermatic Electrical Timers before you buy.

Mechanical timers use a physical rotating disc with pins to control intervals, making them intuitive and durable. Digital timers offer much higher precision, programmable multi-day schedules, and advanced features like astronomical settings.

Yes, provided you select a model designed for outdoor use or house the timer within a weatherproof enclosure. Always ensure the installation complies with local electrical codes regarding moisture protection.

While some plug-in models are DIY-friendly, most hardwired Intermatic timers require direct connection to your electrical panel or junction box, which necessitates a licensed professional for safety and compliance.

Compatibility depends on your voltage (120V vs 240V) and the type of load (resistive vs inductive) you are controlling. Check your appliance's requirements against the timer's load rating.

Astronomical settings allow the timer to automatically adjust start and end times based on the local sunrise and sunset, eliminating the need to manually reset the timer when the seasons change.

High-quality mechanical models can last decades with minimal maintenance, while digital models are highly reliable but may eventually require battery replacement for their internal memory backup.

Standard mechanical and basic digital models do not have wireless capabilities. However, specific smart-enabled models allow for remote scheduling and manual overrides through dedicated mobile apps.

Mechanical timers will lose track of the time and must be reset. Digital timers equipped with a battery backup will maintain their internal clock and programmed schedules during brief power interruptions.
Research & Insights

Our Analysis of Intermatic Electrical Timers

33,118 Reviews Analyzed
13 Products Evaluated
8.3 Avg PM Score
6 Brands Ranked

Top 10 Intermatic Electrical Timers Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 Bn-Link 4 (30.8%)
  2. 02 G-Homa 3 (23.1%)
  3. 03 Intermatic 3 (23.1%)
  4. 04 Dewenwils 1 (7.7%)
  5. 05 Kmc 1 (7.7%)
  6. 06 Nearpow 1 (7.7%)

What Our Analysis Found

We've carried out a comprehensive analysis of 33,118 reviews on Intermatic Electrical Timers, using our selection criteria to identify the best options in the electrical equipment. Our findings reveal that most customers typically select Intermatic Electrical Timers priced around $20.68, with top brands including bn-link and intermatic and cai - intermatic.

Our team of expert editors reviewed these high-quality items and handpicked the top 30 Intermatic Electrical Timers for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the electrical equipment category — including bn-link, pretty little layers, stuff 2 buy llc, mistworks, jd's electrical supplies, our great treasure, plumberstock, amazon.com and express electric and gr8 sales.

We are dedicated to assisting our users in finding the right timers Products based on their needs, saving them considerable time when choosing which Intermatic Electrical Timers to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 30 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 BN-LINK 24-Hour Mechanical Plug-In Timer BN-LINK 9.9 4.5 (19,142) Buy on Amazon
2 Intermatic Mechanical 24 Hour Time Switch Intermatic 9.8 4.7 (1,303) Buy on Amazon
3 Intermatic T104M Mechanical Time Switch Mechanism Intermatic 9.8 4.7 (3,480) Buy on Amazon
4 Intermatic Time Switch Tripper Replacement Kits Intermatic 9.8 4.7 (2,811) Buy on Amazon
5 Intermatic Terminal Protectors for Double-Pole Time Switches Intermatic 9.8 4.8 (406) Buy on Amazon
6 Intermatic 24-Hour Dial Timer for Heavy Duty Loads Intermatic 9.8 4.6 (4,792) Buy on Amazon
7 Intermatic Cycle Timer Replacement Trippers Intermatic 9.8 4.6 (1,894) Buy on Amazon
8 Intermatic Replacement Knob for FD Series Timers Intermatic 9.7 4.5 (1,459) Buy on Amazon
9 Intermatic Two-Hour Spring-Loaded Automatic Shut-Off Timer Intermatic 9.7 4.5 (1,985) Buy on Amazon
10 Intermatic P1121 Heavy Duty Outdoor Timer 15 Amp/1 HP for Pu Intermatic 9.6 4.4 (2,663) Buy on Amazon
11 Intermatic Replacement Tripper Kit for Mechanical Timers Intermatic 9.6 4.6 (385) Buy on Amazon
12 Intermatic 4-Hour Spring Loaded Wall Timer Intermatic 9.6 4.6 (169) Buy on Amazon
13 Intermatic FF60MC 60-Minute Spring Wound Countdown Wall Time Intermatic 9.5 4.5 (207) Buy on Amazon
14 INTERMATIC Electronic Water Heater Timer, 30 Amps, 240VAC Vo CAI - INTERMATIC 9.5 4.5 (191) Buy on Amazon
15 Intermatic FF6H 6-Hour Spring Loaded Wall Timer, Plastic wit Intermatic 9.5 4.5 (160) Buy on Amazon
16 Intermatic Timers Plastic Tripper F/P Series (PK of 2 Red& G Intermatic 9.5 4.5 (115) Buy on Amazon
17 Intermatic T101M 24-Hour Mechanical Timer Intermatic 9.5 4.5 (509) Buy on Amazon
18 Intermatic EI500WC 7-Day Single-Pole Digital Time Switch, Wh Intermatic 9.5 4.5 (232) Buy on Amazon
19 Intermatic ST700W Ascend Standard Timer, White Intermatic 9.5 4.5 (137) Buy on Amazon
20 Intermatic EI210W Electronic Auto-Off Timer 10/20/30/60 Minu Intermatic 9.4 4.4 (348) Buy on Amazon
21 Intermatic Ascend Smart Wi-Fi Programmable In-Wall Timer Intermatic 9.4 4.4 (346) Buy on Amazon
22 Intermatic DT620 Heavy Duty Digital Plug-in Timer Intermatic 9.3 4.3 (912) Buy on Amazon
23 Intermatic Heavy Duty In-Wall Timer Intermatic 9.2 4.2 (244) Buy on Amazon
24 Intermatic Heavy-Duty 240V Appliance Timer Intermatic 9.1 4.1 (159) Buy on Amazon
25 Intermatic HB35K Two Outlet Outdoor Timer Intermatic 9.0 4.0 (420) Buy on Amazon
26 Intermatic P1101 Plug-in Outdoor Timer Intermatic 9.0 4.0 (337) Buy on Amazon
27 Intermatic 156T3492A Timer 1 On and 1 Off Metal Trippers-Jum Intermatic 8.9 4.6 (85) Buy on Amazon
28 Intermatic EI200W Electronic Auto-Off Timer 5/10/15/30 Minut Intermatic 8.0 4.4 (71) Buy on Amazon
29 Intermatic EI205W 5/15/30/45/60 Minute Electronic in-Wall Co Intermatic 7.0 4.7 (46) Buy on Amazon
30 Intermatic Electronic In-Wall Countdown Timer, Light Almond Intermatic 6.6 4.6 (39) Buy on Amazon