Carrier HN52DA024 Contactor
The Carrier HN52DA024 Contactor is a heavy-duty 24V DPST contactor engineered for high-cycle performance in residential and light commercial HVACR systems. This 2-pole 30-amp contactor serves as a direct OEM replacement for malfunctioning switching components in Carrier, Bryant, and Payne condensing units. Designed with a DPST (Double Pole Single Throw) configuration, it ensures simultaneous switching of both power legs, providing reliable load management for compressors and fan motors. Technical specifications confirm it operates on a 24-volt AC control circuit, making it compatible with standard low-voltage thermostat wiring. The silver-cadmium oxide contacts are built to resist arc erosion and welding, extending the service life of the HN52DA024 HVAC part under high-amperage startup conditions.
Key Benefits for Technicians:- OEM Compatibility: Precision-fit for Carrier-family equipment, ensuring correct mounting footprints and terminal alignments.
- High Current Capacity: Rated for 30 Amps, providing a robust buffer for standard residential compressor loads.
- Low Noise Operation: High-grade electromagnet coil reduces chatter and hum during engagement.
- Durable Construction: Features a dust-resistant cover to protect contact points from debris and pests common in outdoor installations.
- Simplified Wiring: Includes clearly marked terminals and universal mounting brackets for efficient field replacement.
Can the HN52DA024 replace a single-pole contactor?
While a 2-pole contactor like the HN52DA024 can technically replace a single-pole unit, it will break both legs of power rather than just one. Verify that the system wiring does not rely on a constant hot leg before conversion.
What causes this contactor to chatter during startup?
Chatter often indicates a voltage drop in the 24V control circuit. Check the transformer output and thermostat wire integrity to ensure the coil receives the full 24VAC required for a clean pull-in.
Is this contactor compatible with 208/230V systems?
Yes, the Carrier HN52DA024 is designed to switch 208/230V line voltage, provided the control circuit remains 24V.
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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.
QUESTIONS & ANSWERS
Ask a Question-
Is this a one pole or a two pole?
This is a two pole contactor.