Dual Power Automatic Transfer Switch, Disconnector manufacturer / supplier in China, offering Zn63A (VS1) Indoor High Voltage Vacuum Circuit Breaker, Fixed Carriage Type with Vcb, 12kv, 630ashanghai People′s Power Transmission and Distribution Equipment, Heavy-Duty Isolating Switch for Reliable Electrical Safety and Control 100A63A Three-Level Cabinet Internal Operation Load Isolating Switch, Photovoltaic/Mains/Generator Nlq1-63/3p 63A 50A 32A 25A AC380V Mini Dual Power Automatic Transfer Switch Two-in-One Switch / Automatic Dual Power Conversion and so on.