So zhengyu load isolation switch has several functional characteristics and USES? The disconnecting switch fuse group produces a variety of intelligent combinations because of the intelligent design structure of modules. Load isolation switch itself has a variety of structures and operating methods, convenient to monitor and observe the operation of equipment circuit at any time. The main use of zhengyu electrical load disconnecting switch. Load switch is a kind of switching equipment between circuit breaker and disconnecting switch, which disconnects the power supply and plays an important role in protecting the circuit and maintaining the normal circuit order.