Mitsubishi HK-KT7M3G7-1-21 Molded Case Circuit Breaker 2P 30A WS-V NF-C Series

The Mitsubishi HK-KT7M3G7-1-21 (NF-C) is a molded case circuit breaker from the WS-V series, economy class. It features a two-pole (2P) configuration with a rated current of 30 amperes and a short-circuit breaking capacity (Icu) of 1.5 kA at 400 V AC in accordance with IEC 60947. The unit incorporates a fixed thermal-magnetic trip unit that provides both overload and short-circuit protection. A pre-installed auxiliary switch is included, along with a terminal block equipped with vertical wire terminals for convenient wiring. Front connection is accomplished via cable lugs or busbars. This MCCB is designed for low-voltage distribution panels and control cabinets where compact and reliable circuit protection is required. The WS-V series NF-C economy class breakers are widely used in building automation, factory equipment and general electrical distribution systems. The HK-KT7M3G7-1-21 is a ready-to-install assembly that simplifies panel construction by combining the breaker, auxiliary switch and terminal block into a single coordinated unit.