Circuit Breaker Bimetallic Strip

In an overload trip mechanism, the circuit breaker bimetallic strip changes shape as electrical load and temperature rise change, and that movement works with the breaker's trigger, trip or switching structure. The part is an overload bimetal component rather than a complete circuit breaker. Protection performance therefore also depends on the strip geometry, rated current, assembly preload and the mating mechanical system used in the customer's breaker design.

Electrical reference data associated with the circuit breaker bimetallic strip includes 125VAC, 250VAC and 32VDC, with 50-60Hz for AC. Dielectric strength is 1500VAC/1min, rated switching capacity is three times rated current, and the stated test ambient is 25°C ±3°C. The source data does not separately specify strip rated current, operating temperature, dimensions or trip time, so these parameters must be determined according to the customer's breaker rating and internal mechanism.

In an overload trip mechanism, the circuit breaker bimetallic strip changes shape as electrical load and temperature rise change, and that movement works with the breaker's trigger, trip or switching structure. The part is an overload bimetal component rather than a complete circuit breaker. Protection performance therefore also depends on the strip geometry, rated current, assembly preload and the mating mechanical system used in the customer's breaker design.

Electrical reference data associated with the circuit breaker bimetallic strip includes 125VAC, 250VAC and 32VDC, with 50-60Hz for AC. Dielectric strength is 1500VAC/1min, rated switching capacity is three times rated current, and the stated test ambient is 25°C ±3°C. The source data does not separately specify strip rated current, operating temperature, dimensions or trip time, so these parameters must be determined according to the customer's breaker rating and internal mechanism.