Westinghouse HFB3040L Molded Case Circuit Breaker

Description:

The Westinghouse HFB3040L Circuit Breaker is a 40 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, conveyor machinery, and commercial electrical distribution assemblies. Maintenance teams, OEMs, and system integrators use this breaker for overload protection, retrofit projects, replacement of failed breakers, and industrial electrical system upgrades.

Applications:

The Westinghouse HFB3040L is commonly used in industrial and commercial electrical systems requiring dependable protection for 3-phase branch circuits and connected electrical equipment. It is frequently installed in motor control centers, OEM machinery, pump systems, industrial automation cabinets, processing equipment, and facility distribution panels where reliable thermal magnetic protection is required for operational safety and equipment reliability.

Technical Specifications:

• Brand: Westinghouse
• Part Number: HFB3040L
• Product Type: Molded Case Circuit Breaker
• Current Rating: 40 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 HFD3040
• Cutler-Hammer HFD3040
• Westinghouse HFB3040