The NDM2E series of electronic molded case circuit breakers (hereinafter referred to as circuit breakers) apply to infrequent switching of circuits with the 50Hz, the rated working voltage of AC400V and rated working current of 800A as well as infrequent motor starting. With the overload, short circuit and undervoltage protection functions, the circuit breaker can protect lines and power equipment from damage. The NDM2E circuit breaker can provide optional modules with the communication function. Make the original circuit breaker upgrade to the communication circuit breaker conveniently. Realize "Four remotes" functions, namely, remote control, remote adjustment, remote measuring and remote communication. Products are widely used in the new energy, power, industrial control, real estate, electric power, telecom, rail transportation, project (public) construction and etc.