Automatic Transfer Switch 220V 63A 3P Mini Intelligent Dual Power Circuit Breaker Rated Voltage 400V, Switching Supply

COMPLETE FUNCTION---The automatic transfer switch is of complete function, short circuit, overload, lack of phase, undervoltage COMPLETE FUNCTION---The automatic transfer switch is of complete function, short circuit, overload, lack of phase, undervoltage PERFORMANCE---The automatic transfer switch is of noiseless operation,energy saving, easy installation, simple and performance MAIN FEATURE---The automatic transfer switch is of reasonable structure, small size, beautiful appearance, equipped with protective cover, power supply is more safe and COMPLETE FUNCTION---The automatic transfer switch is of complete function, short circuit, overload, lack of phase, undervoltage SUITABLE FOR---The automatic transfer switch is especially suitable for office buildings requiring fire fighting