380V air compressor (air pump) connected to the pressure switch and AC contactor, how to connect the two thin wire?
Look at the diagram of the control loop. Is it normally open or closed?..
The two thin line is the pressure switch, the input and output lines are strung into the coil circuit of the AC contactor.Wiring method:The pressure switch is connected with the power supply L1, the pressure switch is output, and the contactor coil A1 is connected.Contactor coil A2 power supply L2.The wiring is completed to check whether the terminals are firm and reliable, and the power supply should be disconnected before the connection, so as to prevent electric shock.
Isn't the circuit diagram in place? The circuit design is differentIf the switch is normally closed, the series connection in the circuit may not startIf it is open parallel, the circuit may not affect the use of the circuit, regardless of which does not connect, will lose protection
