OEM Carrier 2-Pole Contactor 35A 208/240V for Model YAC36100YAC105A

This OEM Carrier contactor (part #HN52KC053) is the factory-specified high-voltage switching relay for the Carrier YAC36100YAC105A condensing unit. The contactor acts as the gatekeeper between your 240V power supply and the compressor and condenser fan motor — energizing both components the moment your thermostat calls for cooling. When a contactor fails, the most common symptoms are an air conditioner that simply won't turn on, a compressor that hums but doesn't start, or a unit that trips the breaker repeatedly due to welded or pitted contacts.

• Specs: 208/240V rated | 35 Amp | 2-Pole configuration | 24V control coil | Factory-matched contact material and coil pull-in voltage
• OEM vs Generic: OEM contactors use precision-grade silver-alloy contacts rated for thousands of switching cycles. Generic aftermarket versions frequently use lower-grade contact material that pits and welds prematurely, leading to repeat failures and potential compressor damage.
• Install difficulty: 2/5 — Always disconnect power at the breaker and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, 1/4" nut driver, needle-nose pliers, non-contact voltage tester. Photograph all wire positions before removal. Swap wires one at a time to avoid miswiring.
• Warranty: Backed by Carrier's OEM parts warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Direct OEM replacement for Carrier model YAC36100YAC105A. Verify your unit's data plate shows a 2-pole, 35A, 208/240V contactor specification before ordering. Our parts specialists are available to confirm fitment — reach out before you order if you have any questions. In stock and ready to ship today.