4P 125A Dual Power Automatic Transfer Switch AC 400V Generator Circuit Breaker

Descrição de 4P 125A Dual Power Automatic Transfer Switch AC 400V Generator Circuit Breaker

Product Details ①. Automatic power transfer during A-phase failure (normal A-phase testing, loss/phase failure testing only) to maintain load power supply ②. Silent operation with energy-saving design, featuring DC12~24V EPS fire extinguishing current interface for reliable long-distance dual-point control ③. Comprehensive protection functions including short circuit, overload, under-voltage protection, fire protection, double output and shut-signal functions ④. CB double power switch with seconds-level switching delay, suitable for lighting circuits in ice buildings, shopping malls, banks, railway stations, hospitals and high-rise buildings with fire protection requirements Specification Parameters ①. Power supply interface: DC12~24V EPS fire extinguishing current interface ②. Switching delay: A few seconds (CB double power switch) ③. Application scenarios: Lighting circuits in ice buildings, shopping malls, banks, railway stations, hospitals and high-rise buildings with fire protection requirements Package List ①. 1 x Power supply transfer device Warm Tips ①. Only test normal A-phase and maintain A-phase, focusing on loss or phase failure situations during operation ②. Ensure proper installation according to fire protection requirements of the application scenario ③. Check protection functions regularly to maintain stable performance