Derek ColeGM, Simmons One Hour Heating & Air · AI HVAC Answers

Understanding Low and High Voltage Contactors: How They Work

12 Nov 2024 · 0 min

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0:23

Short instructional explanation of how a contactor functions in HVAC/electrical systems: a low-voltage thermostat signal energizes the coil, creating a magnetic field that pulls in the contactor and closes contacts, allowing high-voltage power to flow to components such as the compressor, fan, and capacitor.

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