Window Cover, Distribution Box, Circuit Breaker manufacturer / supplier in China, offering Transfer Switch 1-0-2 Silver Material 1p 80A 100A 125A Modular Changeover Switch, Dual Power Manual Transfer Switch Silver Material 2p 230V 80A 100A 125A Modular Changeover Switch, Sf Dual Power Manual Transfer Switch 3p 125A Silver Material Modular Changeover Switch and so on.