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Automotive BR-B2D 60℃ Bimetal Circuit Breaker 250V / 5A For Small Motor

Automotive BR-B2D 60℃ Bimetal Circuit Breaker 250V / 5A For Small Motor

Place of Origin : China
Brand Name : DESHENG
Certification : UL VDE CE CQC
Model Number : BR-B2D
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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Automotive BR-B2D 60℃ Bimetal Circuit Breaker 250V / 5A For Small Motor


Changsheng BR-B2D 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 plastic PBT housing that holds and protects the inner components against infiltration as well as mechanical deformation. In single–phase motors, the BR-B2D 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 130°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

Standard lead wire: UL3266 22# 70-100mm
(customer-designed cable are also available)









BR-B2D and BR-B3D with the same inner assembly and protection funtion, just different plastic PTC housing size.

Packaging: 50pcs in one zip-locked bag, 5000pcs per carton. carton size: 310*250*330mm, G.W. per carton: 8.5kg.

Product Tags:

resettable circuit breaker


thermal circuit breaker

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Automotive BR-B2D 60℃ Bimetal Circuit Breaker 250V / 5A For Small Motor Images

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