Wiring 220 Volt Contact Switch. Really impressed with this switch. The main advantage in using a contactor is that the switch can be powered by a different and lower power source from the main contactor power supply.
Shut off the electrical supply by switching off the double-pole circuit breaker. You may also use 8-gauge wires if for your 220 outlet if you want. Square D by Schneider Electric L211N 30 Amp 120240-Volt Two-Pole Indoor Light Duty Fusible Safety Switch with NeutralGray 46 out of 5 stars 302 1545 15.
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Shut off the electrical supply by switching off the double-pole circuit breaker. Step by step guide how to wire contactor and motor protection switch. White wire connecting bottom left terminal to right side coil terminal on the contactor. The 220-volt circuits as they were known prior to the 1960s are now commonly known as 240-volt circuits and 110-volt circuits are now 120-volt circuits.