Carrier HH83XB454 Circuit Breaker

The Carrier HH83XB454 Circuit Breaker is a critical OEM replacement part designed for high-capacity overcurrent protection in commercial HVAC systems. This 3-pole circuit breaker features a robust 48-amp rating (adjustable range typically 48-56 Amps) and is engineered for 480V 50/60 Hz applications. Utilizing a reliable hydraulic-magnetic trip mechanism, it ensures precise interruption of electrical faults regardless of ambient temperature fluctuations, minimizing potential equipment damage and fire risks in heavy-duty units like the 30HR and 30DB chiller series.

For service technicians, the HH83XB454 provides a perfect fit for existing Carrier HVAC control panels, allowing for straightforward integration via secure screw terminals. Replacing a tripped circuit breaker with a genuine Carrier electrical component maintains the integrity of the diagnostic and protection scheme intended by the manufacturer. Whether troubleshooting a persistent short circuit or performing routine panel maintenance, this 48A breaker is the specified match for maintaining stable power flow and system safety.

• Precise 48-Amp Protection: Engineered to handle high-demand loads while preventing motor and compressor damage from electrical overloads.
• 480V/3-Pole Configuration: Specifically designed for commercial HVAC power distribution requirements.
• Temperature-Independent Tripping: The hydraulic-magnetic mechanism ensures consistent performance even in hot mechanical rooms.
• OEM Compatibility: Guaranteed fit for Carrier chiller models and air handling units, ensuring exact terminal alignment.

• Why does my Carrier HH83XB454 keep tripping? Continuous tripping often signifies a short circuit, a grounded compressor, or significantly restricted airflow causing the motor to pull excessive amperage. Always verify the actual amp draw with a clamp meter before replacing the breaker.
• Can I use an aftermarket 48-amp breaker instead? For Carrier HVAC systems, using the HH83XB454 OEM part is critical to ensure it meets the specific interrupting capacity and trip curve required by the system's safety listing.
• Is this breaker compatible with 50Hz systems? Yes, this component is rated for both 50Hz and 60Hz frequencies, making it suitable for international power specifications.

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.