Carrier HN53TZ024 Contactor

The Carrier HN53TZ024 Contactor is a heavy-duty, definite-purpose component designed for reliable 3-pole switching in commercial and residential 50/60Hz systems. Built to handle the rigorous inrush current of high-capacity compressors and condenser fans, this 24V HVAC contactor features a robust 60 FLA (Full Load Amperage) rating and a 75-amp resistive load capacity. As an OEM Carrier replacement part, it ensures precise mechanical alignment and electrical compatibility with 50HEC and related series units. The 3-pole contactor configuration provides simultaneous disconnection of all power legs, essential for preventing motor single-phasing and ensuring long-term system integrity. For technicians performing a contactor replacement, the silver cadmium oxide contacts offer superior arc suppression and resistance to pitting, maintaining low-voltage drop across the terminals even under high-cycle demands. This Hartland Controls HCD series equivalent is engineered for drop-in installation with standard 1/4-inch quick-connect terminals, facilitating efficient field service and minimizing downtime for your customers' critical cooling infrastructure.

• Maximum Load Durability: Rated at 60 FLA and 360 LRA, supplying the high amperage required for industrial-grade compressors.
• Enhanced Arc Suppression: Designed to minimize electrical pitting and carbon buildup, extending the functional life of the contacts.
• True OEM Compatibility: Ensures exact fit and performance for Carrier, Bryant, and Payne equipment without field modifications.
• Efficient Coil Operation: The 24VAC coil draws minimal power while providing high-force mechanical closing for a secure electrical connection.

Is the HN53TZ024 a direct replacement for 2-pole contactors?
No, this is a 3-pole model. While it can switch three legs of power, always verify your circuit requirements before substituting poles to ensure proper system logic and safety.

Can I use this contactor on a 480V system?
Yes, the contacts are rated for up to 600VAC, making it suitable for 230V, 460V, and 575V 3-phase applications, provided the control circuit is 24V.

What are the signs of a failing 3-pole contactor?
Common indicators include "chattering" noises, visible pitting on the contact points, or a burnt smell from the 24V coil failing to pull in the armature.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.