Westinghouse HFB3150 Molded Case Circuit Breaker

Description:

The Westinghouse HFB3150 Circuit Breaker is a 150 Amp 3 Pole molded case circuit breaker used in industrial power distribution and motor control systems. Commonly installed in manufacturing equipment, HVAC systems, automation panels, heavy machinery, and commercial electrical distribution assemblies. Maintenance teams, OEMs, and system integrators use this breaker for overload protection, retrofit projects, electrical upgrades, and replacement of existing high-capacity branch circuit breakers.

Applications:

The Westinghouse HFB3150 is commonly used in industrial and commercial electrical systems requiring dependable high-amperage protection for 3-phase power circuits and connected equipment. It is frequently installed in motor control centers, industrial automation cabinets, OEM machinery, processing equipment, pump systems, and facility power distribution panels where reliable thermal magnetic protection is required for operational safety and equipment reliability.

Technical Specifications:

• Brand: Westinghouse
• Part Number: HFB3150
• Product Type: Molded Case Circuit Breaker
• Current Rating: 150 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 HFD3150
• Cutler-Hammer HFD3150
• Westinghouse HFB3150L