Best Turbo Microprocessor Relays in 2026

Daisy
Last Updated: Feb 5, 2026

At a Glance: Our Top Picks for Turbo Microprocessor Relays

irhapsody 1 Pack 40/30 AMP 12V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Automotive Relay
#TOP1
Irhapsody 1 Pack 40/30 Amp 12V Dc Waterproof
9.8
PM SCORE
10 Pack Bosch Style 5-Pin 12V Relay Switch [SPDT] [30/40 Amp] 12 Volt Automotive Relays for Auto Fan Cars
#TOP2
10 Pack Bosch Style 5-Pin 12V Relay Switch
9.8
PM SCORE
irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Automotive Relay
#TOP3
Irhapsody 5 Pack 40/30 Amp 12V Dc Waterproof
9.8
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Turbo Microprocessor Relays of 2026

Market Overview
Turbo Microprocessor Relays Reviewed
  • Reviews Analyzed: 17509 Items
  • PM Avg. Rating: 8.4 / 10
14 Products Evaluated
  • Highest Price: $25.98
  • Lowest Price: $6.99
  • Avg. Price: $13.72

Irhapsody 1 Pack 40/30 Amp 12V Dc Waterproof Relay And Harness - Heavy Duty 12 Awg Tinned Copper Wires, 5-Pin Spdt Automotive Relay

IRHAPSODY
IY-5PINRELAY-1
8.17 X 1.40 X 1.35 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IRHAPSODY® Store 9.93

Features

Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for

12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water

Be careful when plugging the relay into the socket. If you push hard, you will bend the female connector

Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g

SPDT relay: it has both normally open and normally closed terminals, terminal 87A is powered when the relay is inactive and switches the power to terminal 87 when the relay is activated

10 Pack Bosch Style 5-Pin 12V Relay Switch [Spdt] [30/40 Amp] 12 Volt Automotive Relays For Auto Fan Cars

ONLINE LED STORE
PSZACCEPS176R
5.75 X 2.75 X 1.75 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
OnlineLEDStore 9.94

Features

User Manual available for download under Product Information Details

Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay

40A/30A High Switching Capability.

Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87).

10pc Included

Irhapsody 5 Pack 40/30 Amp 12V Dc Waterproof Relay And Harness - Heavy Duty 12 Awg Tinned Copper Wires, 5-Pin Spdt Automotive Relay

IRHAPSODY
IY-5PINRELAY-5
7.85 X 1.60 X 1.70 Inches
1.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IRHAPSODY® Store 9.93

Features

Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for

12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water

Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors

Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g

Nominal Coil Voltage: 12 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Maximum Applied Voltage: 15.6 V DC

Nilight 50003R Automotive Set 5-Pin 30/40A 12V Spdt With Interlocking Relay Socket And Wiring Harness-5 Pack, 2 Years Warranty

NILIGHT
NI-RE05
5.00 X 2.00 X 5.00 Inches
0.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

High switching capability: Normally open 40A/14V DC and normally close 30A/14V DC. Suitable for Nilight LED light bar wiring harness kit

Premium quality: Durable relay and harness socket with 5 wires; Made by high-grade materials to ensure superior quality and long lifespan

Male-female slot design: Unique male-female slot design, easy to connect the relay with harness socket, clean and neat after installation

Easy wiring: The relay sockets come with different colors for loads/accessories, simple and convenient wiring

Package include: 5 x relay and 5 x relay socket with wires.Fit type: Universal fit

Irhapsody Relay 120A, 12V Continuous Duty Relay, 4 Pin High Current Relay, Split Charge Relay Switch, Spst High Power On/Off Heavy Duty Starter Relay

IRHAPSODY
AUTORELAY-12V120A1P
1.77 X 1.77 X 2.95 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IRHAPSODY® Store 9.93

Features

Coil power: 1.8w, and coil resistance is 80 ohms. It is more reliable than 2.4w((60 ohms) and 4.8w(30 ohms) relays on the market

Large capacity, high current carrying capacity, heavy-duty make/break relay

Ideal for split charging or any vehicle needing a high-power relay

Never go beyond its capabilities; try to stay 10 to 15% below what the rate is for

The size of the round stud terminals: M6/6mm

Esupport Car Heavy Duty Relay Switch 12V 30A Spst 4Pin Waterproof Electrical Automotive Pack Of 5

ESUPPORT
CXR30A04B
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
E Support 9.79

Features

Brand new heavy duty SPST relays

Interlocking relay sockets

12 Volt 30 amp 4-prong relays

Package Include: 5X 30A 4Pin Relay

Mechanical life of 10,000+ cycles

Hamolar 2 Pack 12V 40/30 Amp Car Relay Dc 5 Pin Spdt And Harness - Heavy Duty 12 Awg Copper Wires Relays Kit Bosch Style For Automotive Truck Van Motorcycle Boat

HAMOLAR
JD1914 WITH HARNESS SOCKET-2PCS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hamolar 9.94

Features

The 12v relay harness base contains 3*12 AWG and 2*16 AWG cables, length: 5.5 in, which have higher load-bearing capacity and more stable performance.

Function: 12VDC (14V Max) 5 Pin SPDT (Single Pole Double Throw) Relay with 40A/30A High Switching Capability.

Wire Specifications: White - Ground (85), Blue - VDC (30), Black - Trigger (86), Red - Output N/C (87a), and Yellow - Output N/O (87).

The dc car relay adopts waterproof sealing technology at the bottom and a fixed back strip on the back, which is suitable for various complicated installation environments.

Relay and harness kit made by high-grade flame retardant materials to ensure superior quality and long lifespan. 2 Years Warranty.

Hamolar 2 Pack 12V 200 Amp Continuous Duty Relay Switch Car Starter Heavy Duty Split Charge 4 Terminal Spst Relays For Truck Boat Marine

HAMOLAR
RD-200
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hamolar 9.94

Features

The 12v relay uses high-quality alloy terminals, and the internal contacts are silver-plated. Durable & Firm & Stable Contact Load: High Power Ideal for universal 12V applications.

Function: 12VDC (14V Max) 4-Pin SPST (Single Pole Single Throw) Relay with 200A High Switching Capability. Perfect for Split Charging or Various Automotive Applications.

High 200A coil capacity- able to handle those high current applications with ease, Heavy duty make or break (on/off) relay.

We are equipped with terminal and gaskets to make installation simple and easy.

Relay kit made by high-grade flame retardant materials to ensure superior quality and long lifespan. 2 Years Warranty.

Nilight 50044R 5 Pack Waterproof 40/30 Amp Heavy Duty 12 Awg Tinned Copper Wires 5-Pin Spdt Bosch Style 12V Automotive Relay And Harness Set,2 Year Warranty

NILIGHT
50044R
7.17 X 6.34 X 1.93 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

12 V DC automotive waterproof relays (max 14 V). Note: 12 V and 14 V are coil voltages, they are not the voltage that triggers the switch

Premium quality: durable relay and harness socket with 5 wires; made from high-grade materials to ensure superior quality and long lifespan

Pre-wired Harness: Heavy duty 12/16 AWG wiring harness. Black - 16AWG Pin85, White - 16AWG Pin86, Red - 12AWG Pin30 Yellow - 12AWG Pin87a, and Blue - 12AWG Pin87

Enhanced Waterproof - The 5-Pin relays are tightly sealed with strong cap and seal ring, excellent performance of waterproof, dust proof and moisture proof, works well in any weather conditions

Package includes: 5 pack Waterproof Relay and Harness. 1x User manual. 2 Year Warranty by Nilight.

Automotive Purpose Relays 303-1Ah-C-R1-U01-12Vdc Spno 20A 12Vdc For Polaris Rzr Slingshot Ranger Sportsman Cooling Fan Relay (4 Pack)

JOINAP
301-1A-C-R1-U03
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JOIN Auto Parts 9.85

Features

Part Number 303-1AH-C-R1-U01 12VDC

Ultra Micro ISO Automotive relay.

High Temperature withstand up to 125°C ambient

High Rating up to 20A. 12 VDC.

General purpose applications for automotive in power.

Automotive Purpose Relays 301-1C-C-R1-U01-12Vdc 5 Pin (4Pack)

JOINAP
JOINAP079
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JOIN Auto Parts 9.85

Features

Part Number 301-1A-C-R1-U01 12VDC

Ultra Micro ISO Automotive relay.

High Temperature withstand up to 125°C ambient

Contact Form:SPST (1 Form A).

General purpose applications for automotive in power.

Irhapsody High Current 30 Amp 12V Dc 5-Pin Automotive Relay Kit, With Interlocking Harness Socket Holder And Heavy-Duty Pigtail, 5-Pack

IRHAPSODY
5PIN-12V30ALW5P
12.00 X 1.00 X 1.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IRHAPSODY® Store 9.93

Features

12-volt 5-prong high-current bosch style universal relay

30a standard relay fit for most applications

9inch leads are long enough and easy to use

Thick 12 gauge wire for the load terminals. Easy to install, just make sure you follow the wiring diagram. Works for both positive and negative activation

Not waterproof, do not use it in water

4 Pcs Multi-Purpose Automobile Relay, 5 Pin 12V 30A Relay, Multi Purpose Automotive Relay Black Starter Relay Car Heavy Duty Relay For Car Motor Automotive Replacement Accessories

DWARFOO
QP5037
1.42 X 0.94 X 0.63 Inches
0.18 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DWARFOO 9.88

Features

[High quality material]: Multi-Purpose Relay is made of nylon shell material, brass pin material, can withstand hot and cold conditions, stable structure, not easy to fracture, deformation, rust, long-term use

[Easy to use]: There is no need for other tools, motor relay is simple to operate, just connect the relay with the wire, convenient for you to use and replace, let your components work normally

[Widely used]: The auto relay is used in taillight, engine compartment, trunk solenoid, electric cooling fan, electric water pump, electric fuel pump, door knob solenoid and other equipment

Easy to use]: There is no need for other tools, motor relay is simple to operate, just connect the relay with the wire, convenient for you to use and replace, let your components work normally

2Pcs 5 Pin 12V 30A Relay, Multi-Purpose Heavy Duty Electrical Relays, Automotive Relay, Car Starter Switch Relays, High Performance Starter, Universal For Car Motor Replacement Accessories

NTNEV
NTRF6X
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
chensuo 9.86

Features

High Quality Material: The housing of our 5-pin relay is made of high quality nylon material, which has excellent electrical insulation waterproof and flame retardant guarantees your safety in use. The pins are made of brass with double plating treatment, anti-corrosion and anti-breakage.

5-Pin Relay: Our 12V 30A relay can be used to control the circuits of components with high amperage loads on vehicle, such as headlights, fuel pumps and cooling fans. The housing withstands harsh temperatures and harsh hood conditions, ensuring superior quality and long life.

High Performance: The housing is protected from harsh temperatures and hood conditions, for extended wear.

Widely Used: Relays are practical automotive tools that are widely used in automotive tail lights, automotive lighting system, engine compartment electrical box, electric cooling fan, headlights, horns, ignitions, fog lights, headlights, trunk solenoids, and other devices.

Easy To Use: The 5-pin relay is suitable for normal automobile use and simple to operate, you just need to connect the relay with the wire, no other tools needed, convenient for your use and replace, allowing your components to work properly.

Top 10 turbo microprocessor relays Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Irhapsody 4
Hamolar 2
Joinap 2
Nilight 2
Dwarfoo 1
Esupport 1
Ntnev 1
Online Led Store 1

Top 10 turbo microprocessor relays Brands Pie Chart


We've carried out a comprehensive analysis of 17,509 reviews on turbo microprocessor relays, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select turbo microprocessor relays priced around $13.72, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 14 turbo microprocessor relays for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

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