Micro Circuit Breaker Up to 125A is a basic protection element for low-voltage distribution systems, covering the current range from 0.5A to 125A. 1P+N 125A C type is suitable for residential main feeder boxes, 2P 125A DC 1000V for photovoltaic DC cabinets, 3P 125A D type is suitable for control cabinets of plastic injection molding machines, and 1P 125A type is suitable for hospitals ICU power distribution.