MCCB 회로 차단기 WLM8-400H-4300 WLM8-400-4300 4P 400A 400암페어 회로 차단기 열 자성 방출 방식 MCCB 4극 MCCB

Molded case circuit breakers with earth leakage protection are designed to protect electrical circuits and equipment in a variety of environments, including residential and commercial buildings, industrial facilities, medical equipment, agricultural operations and other public places.