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Motor Bimetal Circuit Breaker

Motor Bimetal Circuit Breaker

Place of Origin : China
Brand Name : DESHENG
Certification : UL VDE CE CQC
Model Number : BR-A2D
MOQ : 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
Product Name : Bimetal Circuit Breaker
Contact capacity : 125Vac/16A, 250Vac/8A 600Vac/4A 24Vdc/20A
Cycles life : 6,000 cycles
Seal : High-seal and low-seal gaske
Certifications : UL,VDE,CE CQC
Temperature Tolerance : ±5°C
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BR-A2D 100℃ Bimetal Circuit Breaker , Electric Motor Thermal Protection


Changsheng BR-A2D 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 SPCCC housing that holds and protects the inner components against infiltration as well as mechanical deformation. In single–phase motors, the BR-A2D 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/10A, 250Vac/6A, 24Vdc/10A

The bimetal carries current or not


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-A2D with standard metal case

BR-A2D with enforced metal case

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

①Metal case ②Plate ③Bimetallic disc ④Spring ⑤Movable contact ⑥Stationary piece ⑦Base ⑧Epoxy resin ⑨Lead wire ⑩Sleeve

Product Tags:

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thermal circuit breaker

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