Westinghouse NSB HFB3030L Molded Case Breakers (MCCBs)

Description:

The Westinghouse HFB3030L Molded Case Circuit Breaker is a 30 Amp 3 Pole MCCB used in industrial power distribution and motor control systems. Commonly installed in manufacturing equipment, HVAC systems, automation panels, conveyor lines, 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 HFB3030L is widely used in industrial and commercial electrical systems requiring dependable branch circuit protection for 3-phase power applications. It is frequently installed in motor control centers, OEM machinery, pump systems, processing equipment, industrial control cabinets, and facility distribution panels where reliable thermal magnetic protection is necessary for connected electrical loads and operational safety.

Technical Specifications:

• Brand: Westinghouse
• Part Number: HFB3030L
• Product Type: Molded Case Circuit Breaker (MCCB)
• Current Rating: 30 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 HFD3030
• Cutler-Hammer HFD3030
• Westinghouse HFB3030