Section 3
Contactor
Signal from toggle switch or PLC
When a signal from the toggle switch, or PLC is sent to the coil of the contactor, it creates a magnetic field that causes the contactor to “pull in” which then sends 3 phase power to the motor, and 120vac signal out to various devices.
120VAC signal out to air solenoid or other devices.
Contactor Electrical Symbol
3 phase motor connection.
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