CE TUV Pv солнечный выключатель MCCB литые автоматические выключатели DC1500V 250A

 1.How to test the function of a molded case circuit breaker to ensure its normal operation?
The testing of molded case circuit breakers mainly includes visual inspection, mechanical operation testing, electrical performance testing (such as insulation resistance and conductivity testing), as well as short circuit and thermal overload response testing, to ensure the reliability and safety of the circuit breaker. Be sure to take appropriate safety measures before operation.

2.How to reset the molded case circuit breaker after it trips?
To reset the tripped molded case circuit breaker, first confirm and resolve the cause of the trip. Then disconnect the power supply, fully turn the circuit breaker operating handle to the OFF position, and finally push the handle to the ON position to complete the reset. Ensure safe operation and consult a professional electrician if necessary.

3.Does the use of molded case circuit breakers require special safety measures?
When using molded case circuit breakers, it should be ensured that they are correctly installed and regularly maintained by professional personnel. Before operation, the power should be disconnected, appropriate personal protective equipment should be worn, the working principle of the equipment should be familiar, and measures should be taken to prevent unauthorized operation to ensure safe use.

4.What is the MOQ?
Usually we don't set MOQ, but the more, the cheaper. Besides, we are happy to make prototype or sample for clients to ensure quality standard.