Carrier HH83XB422 Circuit Breaker 600V OEM

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The Carrier HH83XB422 is a genuine factory-authorized hydraulic-magnetic circuit breaker designed for high-voltage Carrier, Bryant, and Payne commercial HVAC systems. This Original Equipment Manufacturer (OEM) component provides critical three-pole protection for equipment operating on 600VAC circuits, typically found in chillers, large-tonnage rooftop units (RTUs), and industrial air handlers.

Unlike standard thermal-magnetic breakers, this hydraulic-magnetic design ensures a consistent trip point regardless of ambient temperature. This is essential for rooftop equipment exposed to extreme summer heat, as it prevents "nuisance trips" that can occur when the mechanical room or cabinet temperature rises.

Compatibility & Cross-Reference

The HH83XB422 is a high-capacity service part that replaces several obsolete and legacy part numbers:

  • Directly Replaces Previous Part Numbers: HH83XB452, HH83XB440, HH83XN561, HH83XM239, P597-5261, HH83XB453, and HH83XM249.
  • Commonly Used In: Commercial units such as the 48DF, 5CP3, and 5CP4 series.
  • Fitment Note: This 3-pole breaker is designed for three-phase power distribution and features a compact molded case that fits original mounting points in Carrier control cabinets.

Why Choose a Genuine Carrier OEM Breaker?

  • Precision Protection: Rated for 34-40 Amps @ 600 VAC, this breaker utilizes a specialized dashpot mechanism to isolate electrical overloads and short circuits precisely according to the equipment's original engineering specs.
  • High Interrupting Capacity: Specifically built to safely isolate faults in heavy-duty commercial motors and compressors, preventing catastrophic damage to expensive downstream components.
  • Maintenance of Safety Listings: Installing a factory-authorized breaker ensures your equipment remains compliant with CSA and UL safety standards and preserves the manufacturer’s warranty.

Shipping & Order Details

  • Availability Note: This is a factory order item. Please call for current availability and lead times before placing your order.
  • Continental US Shipping: We offer reliable shipping rates for all orders delivered within the Continental United States.
  • Authenticity: This part is a brand-new, genuine Carrier and Bryant part in original factory packaging.

Technical Specifications

FeatureDetail
Part NumberHH83XB422
Voltage600 VAC
Amperage34-40 Amps
Phase / PolesThree Phase / 3-Pole
Breaker TypeHydraulic-Magnetic
ConnectionScrew Terminal
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  • Model: HH83XB422
  • Manufactured by: Carrier
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