High-Voltage Molded Case Circuit Breaker
High-voltage, high-breaking MCCB with 1250V insulation voltage, designed for AC 50/60Hz systems (up to 1140V, 63A–630A). Ideal for PV inverter AC sides, providing reliable overload and short-circuit protection. Compliant with IEC60947-1/2 and GB/T14048.1/2.
Upgraded from QKW7, this intelligent universal circuit breaker features a compact design, enhanced built-in communication and measurement functions, easier installation, and a user-friendly interface. It integrates protection, measurement, communication, control, display, and fault diagnosis, plus operational interlocking, pre-operation signals, and misoperation-prevention safety devices for comprehensive, high-safety performance.