KOLAUT 3 pole AC contactor is an electrically operated switch that controls high-voltage AC circuits, optional rated working current of 10 amp/20 amp/40 amp/60 amp/100 amp/150 amp, AC coil voltage of 24V/36V/110V/120V/220V/380V. This type of AC contactor is designed for motor control, lighting systems, and industrial machinery.

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Wiring

Tips: How does a 3 pole AC contactor work?

A 3-pole AC contactor is an electromechanical switch used to control high-power circuits with low-power control signals. It has three main power contacts corresponding to three phases (L1, L2, L3) of an AC power supply. Here's how it works:

1. Control Signal Activation: When a control voltage is applied to the contactor's coil, it generates a magnetic field.
2. Magnetic Action: The magnetic field pulls a movable core or armature, closing the three main contacts.
3. Power Flow: As the contacts close, they allow current to flow through the connected load (e.g., motor, heater) across all three phases.
4. Deactivation: When the control signal is removed, the coil de-energizes, and a spring pushes the armature back, opening the contacts and stopping the power flow.

3-pole contactors are common in industrial applications for controlling motors, heaters, and other 3-phase loads.