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HomeProductsThermal Overload Protector

AC Thermal Overload Protector Switch

China good quality Motor Thermal Protector on sales
China good quality Motor Thermal Protector on sales
A korean motor manufacturer

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AC Thermal Overload Protector Switch

AC Thermal Overload Protector Switch supplier

Large Image : AC Thermal Overload Protector Switch

Product Details:

Place of Origin:China
Brand Name:DESHENG
Certification:UL VDE CE CQC
Model Number:BR-A2D

Payment & Shipping Terms:

Minimum Order Quantity:1000pcs
Packaging Details:5000pcs per package
Delivery Time:3-10 days on order date
Payment Terms:T/T L/C D/P
Supply Ability:3,000,000pcs/month
Detailed Product Description
Product Name: Thermal Overload Protector Contact Capacity: 125Vac/8A, 250Vac/5A, 24Vdc/8A
Cycles Life: 6,000 Cycles Seal: Epoxy Resin
Temperature Tolerance: ±5°C Certifications: UL,VDE,CE CQC

Compact AC / DC Thermal Overload Protector Switch And Motor Thermal Cutout
Changsheng BR-A1D series motor protector is built to meet almost any requirement of protection in a wide range of small motors, small transformers, solenoids, and more. This compact motor protector is the best solution to protect the wide variety of motors under 1 Hp used in industrial and domestic appliances against locked rotor and overload situations.
This motor protector consists of a metal SPCC housing that holds and protects the inner components against infiltration as well as mechanical deformation. In single–phase motors, the BR-A1D can be mounted directly in the main circuit to serve as an on– or in–winding protector.


  • Small motors
  • Coils
  • Transformers
  • Washers and dryers  
  • Dishwashers
  • Automotive accessory motors
  • PC boards
  • Battery charges
  • ………and more.



Contact capacity

125Vac/8A, 250Vac/5A, 24Vdc/8A

Cycles life

6,000 cycles

Open temperature

50°C to 150°C in increments of 5°C

Temperature Tolerance


Differential Temperature

depending on open temperature


Epoxy resin

Contact resistance

≤50 m  

Insulation resistance

The resistance between the leads and insulation sleeve is >100 M with 500 VDC at 25 °C.

Lead wire pull strength

30 N applied from lead to lead for 5sec. No slip-off or rupture


Competitive Advantage:


1. The strongest Chinese manufacturer, ISO 9001and ISO14001 recognized.

2. Compact, miniature size.

3. UL,VDE,CE CQC Approved.

4. Individually temperature checked on modern, custom-designed equipments from Japan.

5. Snap–action disc, normally on.

6. Epoxy resin

7. Bimetal discs carry circuit current, so it is current and temperature double sensitivity for maximum design flexibility and application



BR-A1D with standard metal case
AC Thermal Overload Protector Switch


AC Thermal Overload Protector Switch



BR-A1D with enforced metal case
Note: wall thickness of the enforced case is 0.5m minimum and it will withstand 30MPa injection pressure (no deformation)

AC Thermal Overload Protector Switch

AC Thermal Overload Protector Switch

  • ①Metal case  ②Bracket  ③Bimetallic disc ④Movable contact    ⑤Fixed base ⑥Stationary contact

     ⑦Epoxy resin   ⑧Lead wire


Contact Details
Jiangsu ChangSheng Electric Appliance Co., Ltd

Contact Person: Miss. Wendy zhang



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