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The Carrier HN52KC051 Contactor Coil is a high‑quality replacement coil designed for use in Carrier HVAC contactors and control relays. Operating at 24 V AC (50/60 Hz), it provides dependable electromagnetic actuation to switch loads such as compressors, fans, and pumps in heating, ventilation, air‑conditioning, and refrigeration systems. Built for durability and consistent performance, this coil is ideal for maintenance, service, and field replacement in residential and commercial HVAC installations.
Key Features
Replacement contactor coil for Carrier HVAC contactors
Designed for 24 V AC control circuits (50/60 Hz)
Stable and reliable electromagnetic actuation
Built for long service life under HVAC operating conditions
Compatible with W‑R / RBM contactor assemblies (143‑C0A2 compatible)
Specifications
Product Name: Carrier Contactor Coil
Model / Part Number: HN52KC051
Coil Voltage: 24 V AC (50/60 Hz)
Function: Provides electromagnetic actuation for contactor switching
Application: Heating, ventilation, air‑conditioning, and refrigeration systems
Compatibility: Works with compatible Carrier contactor models (W‑R / RBM series)
Industrial Use: HVAC/R load control and switching
The Carrier HN52KC051 Contactor Coil 24 V 50/60 Hz (W‑R/RBM 143‑C0A2) delivers dependable performance in HVAC control circuits. Designed for durability and reliable actuation, it ensures consistent switching and long‑term use in demanding heating and cooling environments.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
