19-Inch Industrial Power Distribution Box Customized Rack-Mounted 25A 220VAC STS 1U Single-Phase Switch for Telecom The static transfer switch is a dual-input transfer switch, usually one channel is connected, the other channel is…

                                          Relay switching switches have the following advantages:   1. Electrical isolation: Relay…

Black small STS static transfer switch 8KVA (32א) rated output power The static transfer switch is a dual-input transfer switch, usually one channel is connected, the other channel is disconnected, and the load…