How to know if the overload protection circuit breaker switch needs to be replaced

The overload protection circuit breaker switch, also known as a circuit breaker or air switch, is a type of switch device used to protect electrical circuits. Its main function is to automatically disconnect the power supply when a circuit experiences a short circuit or overload, to prevent damage to circuit components or equipment, or even to prevent fires and other safety hazards.

If the overload protection circuit breaker switch experiences any of the following situations, it may need to be replaced:If the switch frequently triggers and disconnects the circuit, it may need to be replaced. This usually means that the circuit load is too high or the switch itself is faulty.If the overload protection circuit breaker switch requires a reset after tripping, but cannot be reset, it may need to be replaced.If the switch generates heat or sparks near the circuit, it may need to be replaced.If the switch's casing is cracked, corroded, rusted, or aged, it should be replaced to avoid safety issues.