Connect one of the three switches of the three-phase switch to the live wire and leave the other two inactive.
1. Three-phase pneumatic switch wiring method: Connect one of the three switches of the three-phase switch to the live wire and leave the other two inactive. The specific operations are as follows:
1. Turn off the power to the circuit.
2. Connect the live wire from the power supply to the terminal of the selected three-phase switch.
3. Then remove the live wire from the other bottom port and connect it to the socket.
When installing an indoor circuit breaker, you must confirm the type of power supply you are using. In other words, it depends on the power of the electrical devices used.
If the power supply and switch are not suitable, they will not be installed. Even if they are installed, it may causeer hidden dangers.