DC molded case circuit breaker

Molded case circuit breakers have the advantages of various protection functions (overload, short circuit, undervoltage protection, etc.), adjustable action value, high breaking capacity of the circuit breaker, convenient operation, and safety, so they are widely used at present. Next, let's take a closer look at the relevant knowledge of DC Molded Case Circuit Breakers

The DC Molded Case Circuit Breaker uses a temperature-sensitive device (thermal element) and a current sensitive electromagnetic device (magnetic element) to provide a tripping mechanism for protection and isolation purposes. What does overload protection of DC Molded Case Circuit Breaker mean?Why is DC Molded Case Circuit Breaker an electrical fault protection against short circuit current?What is the difference between DC Molded Case Circuit Breaker and Residual Current Circuit Breaker?