How to use the four terminals of the emergency stop button

A, emergency stop button switch and fuse, coil, leakage circuit breaker, contactor circuit operation wiring diagram.

II. Wiring diagram of emergency stop button switch and contactor with fuse (simplest case).

3. When the emergency stop button, fuse, contactor and thermal relay are used together.

Four, emergency stop switch, leakage circuit breaker, contactor, thermal relay operation circuit control.