My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Carrier HN53TB027 Auxiliary Contact Switch for HVAC Contactors

Part of: Carrier Auxiliary Contact Switch for HVAC Contactors

Other options in this family: Carrier HN53TB031

Manufacturer

Picture for manufacturer Carrier

Part Number

HN53TB027
8 reviews
Sale Price

$84.52

1 left at this price

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Carrier HN53TB027 is a genuine OEM auxiliary contact switch designed for use with Carrier HVAC systems. This field-installable component mounts directly onto a primary contactor, providing secondary circuit signaling and monitoring within commercial and residential HVAC control systems.

Key Features:

  • Genuine Carrier OEM Part — ensures precise mechanical and electrical compatibility with supported Carrier equipment
  • Auxiliary Contact Function — opens or closes secondary control circuits in response to the state of the primary contactor, enabling accurate system feedback and interlocking
  • Direct Contactor Mounting — attaches directly to compatible Carrier contactor frames for fast field installation without additional hardware
  • HVAC Control Circuit Compatible — designed for integration into low-voltage control wiring for monitoring, remote signaling, and safety interlock applications
  • Durable Construction — built to withstand the operational demands of HVAC equipment including vibration and thermal cycling

The HN53TB027 auxiliary contact is a critical replacement part for maintaining proper contactor feedback and control circuit operation in Carrier HVAC systems. Using a genuine OEM component ensures correct fit and reliable electrical performance.

Great day

Great!

works great

Eazy transaction

Easy checkout

First time here, but have no complaints.

Easy. Good prices

I was pretty happy with the service. I ordered the part on a Sunday afternoon and paid $9.99 for 2 day delivery and it arrived on Friday 5 days later so not sure I got what I paid for in that regard.

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy