● The bypass switch has visual window. You can judge ON & OFF status by eyes;
● It can realize fast cable plug in & out in order to reduce workload & time;
● It can realize both sides cable phase checking to prevent safety accidents caused by phase lacking or phase difference;
● Low gas pressure latching function can be realized, avoiding low pressure mal-operation;
● Manual latch system can be used to avoid mistake operation;
● Full sealed case structure can be used to solve rusting issues inside operating mechanism.