Westinghouse HFB3090 Circuit Breaker 90A 3P 600V Style 4976D04G43 HFB 90 Amp

Description:

The Westinghouse HFB3090 Circuit Breaker is a 90 Amp 3 Pole molded case circuit breaker used in industrial power distribution and motor control systems. Commonly installed in manufacturing equipment, HVAC systems, motor control centers, conveyor machinery, and commercial electrical distribution assemblies. Maintenance teams, OEMs, and system integrators use this breaker for overload protection, retrofit projects, electrical system upgrades, and replacement of existing branch circuit breakers.

Applications:

The Westinghouse HFB3090 is commonly used in industrial and commercial electrical systems requiring reliable high-capacity protection for 3-phase power circuits and connected equipment. It is frequently installed in industrial automation panels, processing equipment, OEM machinery, pump systems, facility distribution panels, and MCC assemblies where dependable thermal magnetic protection is required for operational safety and equipment reliability.

Technical Specifications:

• Brand: Westinghouse
• Part Number: HFB3090
• Style Number: 4976D04G43
• Product Type: Molded Case Circuit Breaker
• Current Rating: 90 Amp
• Number of Poles: 3 Pole
• Voltage Rating: 600 VAC
• Frequency Rating: 50/60 Hz
• Phase Compatibility: 3 Phase
• Trip Type: Thermal Magnetic
• Mounting Style: Bolt-On
• Frame Series: HFB
• Protection Type: Overload and Short Circuit Protection
• Application: Branch Circuit Protection
• Suitable For: Industrial Power Distribution Systems
• Construction Type: Molded Case Industrial Breaker
• Typical Installation: MCCs and Industrial Control Panels

Common Replacements:

• Eaton HFD3090
• Cutler-Hammer HFD3090
• Westinghouse HFB3090L