YFM2LE Residual Current Protection Circuit Breaker

YFM2LE series residual current protection circuit breaker (hereinafter referred to as "circuit breaker") Is a leakage circuit breaker with overload, short circuit, overvoltage, undervoltage, power side zero-breaking, power side power-off tripping, leakage, phase-absence, sudden change (special wave), reclosure and other tripping functions, which is developed by our company. It is suitable for three-phase, four-wire neutral line directly grounded low voltage power grid, and it Is used to provide protection for equipment and personal electric shock hazards, and also for grounding faults of lines or electrical equipment.

References for this technical specification are as follows:
GB14048 2-2008 Low Voltage Switchgear and Control Equipment
GB/T22710-2008 Electronic Controller for Low Voltage Circuit Breakers
GB/T22387-2008 Residual Current Actuated Relay
GB/Z 6829-2008 General requirements for residual current operated protectors