Best Protection Overload Relays in 2026

🧊What You Get:2 pieces of 4.7 Ohm 1-pin PTC start relay and 2 pieces of 6750C-0005P refrigerator overload protector, totally 2 sets of 4 for you, convenient to replace the old or broken part of your refriger.All the sets comes with a White Paper Box to Outer Packaging Protection.

🧊Compatible models: suitable for most brands in the market that uses 1 Pin QP2 4.7 Ohm Resistance.The refrigerator overload protector can prevent the compressor in your refrigerator from overheating.Nice to replace part numbers like AP4439459, 1357963, AH3529540, EA3529540, PS3529540.You can find the compatible models in the product description.Please check before purchasing.

🧊PTC Starter Relay:It's the generic starter relay applied on various brands of mini fridges and coolers, saving your time and effort, this item is ONLY compatible with QP2-4.7 one-terminal relay.

►Tip: When purchasing overload protection parts, carefully compare the parameters and appearance of the replacement parts to avoid discomfort.</p><p> Brand: Aopin; Resistance: 15 ohm; power: 125w; pin number: 3pin;

►It is suitable for maintenance and assembly of refrigerators and freezers of various brands;

►The PTC chip 3pin 15 ohm starter, butterfly relay compressor electrical equipment;

Package Dimensions: 10.921 cms (L) x 5.842 cms (W) x 4.318 cms (H)

Product Type: Auto Part

Package Quantity: 1

4 channels, 20 amps each

Clean and easy installation

Over Temp, short circuit and overload protection

Self-powered, no external power supply required.Action current 0.2-30A AC, adjustable with a potentiometer.

LED indicator can conveniently and intuitively indicate the working status of the switch.Hysteresis is less than 1% and can be used under strong magnetic conditions.

The switch has no limit on the number of opening and closing, and the speed reaches the ms level.The outer casing is made of self-extinguishing material ABS.

SELF-POWERED: Self-powered, no external power supply required.

CONTACTLESS ELECTRONIC SWITCH: High-power MOS tube contactless electronic switch.

STRUCTURE DESIGN: Straight-through structure design, isolation withstand voltage up to 2000V.

The thermal overload relay is made of high-quality alloy material, large-area binding post, independent terminal and screw fixing, which is convenient and quick to install.

The test button of the thermal overload relay, that is, the button that tests whether the thermal overload relay can operate, press this button, which is equal to whether the operation state of the thermal overload relay is normal when it is dropped or overcurrent.

Thermal overload relays are used to protect phase loss during motor overload, phase failure protection, manual and automatic reset, temperature compensation, tripping indication, stop button, etc.

Good Durability Material: This Electric Overload Relay is made of quality material, long service time. Used for protecting the phase break when the electric motor is overload

Ideal Protection Tool for Motor: This series of thermal overload relays is suitable for overload and phase failure protection of AC motors with long-term operation or intermittent long-term operation of AC 50Hz/60Hz, voltage to 690V

Multi-functions Allows Working: The thermal relay has phase failure protection, temperature compensation, motion indication, automatic and manual reset, and stop function

When the measured voltage is within selected function and the set value, the output turn on to output voltage to control the normal operation of other equipment.

Adjustable reference voltage threshold.

Dual voltage signal comparison. 3 working mode.

APPLICABLE OCCASIONS: Suitable for power systems with rated isolation voltage up to 690V and circuit 50-60hz.

PRODUCT FUNCTION: This relay can be used as an overload protection for long-term or indirect long-term maintenance of the motor.

FUNCTION: This relay is used for protecting the phase break when the electric motor is overload.

【Description】 Name：Overload Protection Relay Parts OE Number：0005406745 Rated Voltage [V]:12 Rated Current [A]:15 Condition： Brand new

【 Fit For】 For MERCEDES BENZ C-CLASS (W202) 1993/03-2000/05 T-Model (S202) 1996/06-2001/03 For MERCEDES BENZ COUPE (C124) 1987/03-1993/06 For MERCEDES BENZ E-CLASS (W124) 1993/02-1996/06 For MERCEDES BENZ E-CLASS Convertible (A124) 1993/05-1998/03 For MERCEDES BENZ E-CLASS Coupe (C124) 1993/06-1997/06 For MERCEDES BENZ E-CLASS T-Model (S124) 1993/06-1996/06 KOMBI T-Model (S124) 1985/09-1993/12 For MERCEDES BENZ Saloon (W123) 1976/01-1985/12 (W124) 1984/12-1993/08

【OE Part Number】# 0005406745, 897219000

Universal Outputs: Input through current: 0.2-30A AC Rated load: 0.3A@240V AC/DC.

Accurate & Dependable: Offers a sensing range of 0.2 to 30 amps and universal, solid-state outputs; Accuracy: 1%

Faster Response Time: Once current flow is detected, it closes a set of contacts immidiately; Response Time: ≤200ms

The Frigidaire Compressor Overload and Start Relay is a genuine OEM (Original Equipment Manufacturer) part designed and engineered to exact specifications

Frigidaire Compressor Overload and Start Relay boosts the compressor to get it started and then shuts off as soon as the motor gets up to speed

Frigidaire 218721101 provides extra protection against excessive temperatures

1. 6A Rated Operation Current.

2. 1 C/O Contact.

3. Compact size only 6.2mm thickness.

The thermal overload relay is made of high-quality alloy material, large-area binding post, independent terminal and screw fixing, which is convenient and quick to install.

The test button of the thermal overload relay, that is, the button that tests whether the thermal overload relay can operate, press this button, which is equal to whether the operation state of the thermal overload relay is normal when it is dropped or overcurrent.

Thermal overload relays are used to protect phase loss during motor overload, phase failure protection, manual and automatic reset, temperature compensation, tripping indication, stop button, etc.

SENSITIVE CONTACT: ABS shell panel, not afraid of high temperature, safe to use. Thickened copper contacts are used for strong conductivity.The rocker switch have output circuit, overload, reverse polarity multiple protection.

FLAME RETARDANT: The shell of the boat rocker power switch is flame‑retardant and has good insulation. Waterproof grade IP68, long service life.

UNIVERSAL FIT: 3 position rocker switch is widely used in cars, boats, electric vehicles, motorcycles, household appliances, etc.available for most electrical equipment, available for upgrading most wiring harness to control Led Light, Led Work Lights, Fog Lamps, Indoor lights, Dome light, Decorate Lights, Headlights, Taillights and Auxiliary Lamps & More.

Fitment: Overload relay is perfect replacement for C‑CLASS (W202) 1993/03‑2000/05,Replacement for C‑CLASS T‑Model (S202) 1996/06‑2001/03, etc.Please check the details page for the specific model.

OEM: Surge protection relay reference number is 0005406745. Please make sure this accessory fits you.

Function: Overload relay is mainly to provide overload protection to the line or electrical equipment, to effectively achieve the purpose of motor protection.

Function: Overload relay is mainly to provide overload protection to the line or electrical equipment, to effectively achieve the purpose of motor protection.

Direct Fit: The appearance and function of this relay is consistent with the designated model of the original, perfectly matched to your vehicle.

Reference OE Number: The part number for reference is 2015403745. Please make sure the OE number matches the part you are replacing.

With phase break protection, manual and automatic reset, temperature compensation, trip indication, test button, stop button

This thermal relay can be used in the circuit of 50-60hz, rated insulation voltage 690V, rated current 7-10A

Used for protecting the phase break when the electric motor is overload.

Product Name : Thermal Overload Relay;Model : JR36-20;Contact Type : 1NO 1NC

Pole Number : 3 Pole;Adjusting Current Range : 20-32A;Rated Insulation Voltage : 690V

Ue : 380V;Ie : 0.47A;Fixing Holes Size : 6 x 4.5mm / 0.24" x 0.18"(L*W)

The thermal overload relay is made of high-quality alloy material, large-area binding post, independent terminal and screw fixing, which is convenient and quick to install.

The test button of the thermal overload relay, that is, the button that tests whether the thermal overload relay can operate, press this button, which is equal to whether the operation state of the thermal overload relay is normal when it is dropped or overcurrent.

Thermal overload relays are used to protect phase loss during motor overload, phase failure protection, manual and automatic reset, temperature compensation, tripping indication, stop button, etc.

【Applicable accessories】Overload Relay,Combined with the relay accessory design of relevant vehicle models, this overload protection relay is mainly applicable to C ‑ CLASS (W202) 1993/03 ‑ 2000/05; C‑CLASS T‑Model)S202)1996/06‑2001/03； COUPE)C124)1987/03‑1993/06； E ‑ CLASS (W124) 1993/02 ‑ 1996/06 series models are used. Please confirm the model number before purchasing, so that the accessories can be better installed on your vehicle.

【Direct installation】Overload Protection Relay Accessory,Made according to the specifications of the original relay, this relay has the same appearance and function as the original specified model, and can be used perfectly with your vehicle accessories. It has high operational efficiency, simple installation process, and does not require other complex installation assistance tools, saving you time and energy.

【OEM Number】Overload Protection Relay Replacement Part,Its reference part number is 0005406745. When purchasing, please ensure that the OEM number matches the part you are replacing. According to the number specification, a perfect fit for installation can be achieved, in order to help you find the best installation accessories and avoid unnecessary use trouble.