Mitsubishi HK-KT634WBWS Molded Case Circuit Breaker 125A 3-Pole 500V AC

The Mitsubishi HK-KT634WBWS is a molded case circuit breaker (MCCB) rated for 125 amperes with a 3-pole configuration. Designed for use in alternating current electrical distribution systems, this circuit breaker operates at a rated voltage of 500V AC with a 125-amp trip setting and a breaking capacity of 7.5 kVA. It provides reliable overcurrent protection for industrial electrical panels, switchgear enclosures, and power distribution equipment. Molded case circuit breakers from Mitsubishi are widely used in factory automation environments, machine tool installations, and building electrical infrastructure where dependable circuit protection is essential. The 3-pole design makes this breaker suitable for three-phase AC power systems commonly found in industrial settings. The HK-KT634WBWS offers robust insulation and arc-extinguishing performance within a compact molded case housing, facilitating straightforward installation in standard distribution panels and control cabinets. This unit is well suited for protecting branch circuits, motor feeders, and other three-phase loads requiring 125A-class overcurrent protection at up to 500V AC.