RGM5-50 MCCB, applied in the circuit of AC 50 Hz (or 60Hz), the rated working voltage is below 400V, the rated current is between 50A aIt is used for the infrequently switching and starting the electromotor. The MCCB protects the overloading circuit.The MCCB complies with the standard of GB 14048.2 idt IEC 60947-2.