The ARM5HU series MCCB is a cutting-edge thermomagnetic circuit breaker designed for high-voltage applications, making it a top choice among China suppliers. Operating at an impressive rated voltage of 1140V and suitable for AC 50/60Hz, this high-performance product is often utilized in circuits with a rated operating current of 630A. It provides essential protections against overloads, short circuits, and undervoltage, ensuring the safety of both lines and power equipment. The ARM5HU series is primarily used in new energy power systems, manufacturing facilities, and various industrial applications. Trust in our factory for reliable and efficient circuit breaker solutions that meet your high-voltage needs