Industrial HFB2100 Molded Case Circuit Breaker

Description:

The Westinghouse HFB2100 Circuit Breaker 100 Amp is a molded case circuit breaker designed for industrial electrical distribution and branch circuit protection applications. Commonly installed in switchboards, motor control centers, industrial automation systems, and manufacturing equipment requiring dependable medium-amperage overcurrent protection. Maintenance teams, OEMs, and electrical integrators use this breaker for replacement, retrofit upgrades, and maintenance of industrial electrical infrastructure. The HFB series is part of the Westinghouse MARK 75 AB DE-ION breaker family.

Applications:

The Westinghouse HFB2100 circuit breaker is commonly used in industrial and commercial electrical systems where reliable branch circuit protection is required for connected power systems and electrical equipment. It is suitable for motor control systems, HVAC infrastructure, conveyor equipment, industrial processing machinery, automation systems, MCCs, and electrical distribution panels operating on up to 600V power networks.

Technical Specifications:

• Brand: Westinghouse / Cutler Hammer
• Part Number: HFB2100
• Product Type: Molded Case Circuit Breaker
• Current Rating: 100 Amp
• Voltage Rating: 600 VAC
• Number of Poles: 2 Pole
• Phase Compatibility: Single Phase
• Breaker Series: HFB
• Product Family: MARK 75 AB DE-ION
• Interrupt Rating: 25kA @ 480VAC
• Protection Type: Thermal Magnetic
• Trip Functions: Long-Time and Instantaneous
• Mounting Type: Bolt-On / Panel Mount
• Application: Branch circuit and equipment protection
• Function: Overcurrent and short-circuit protection
• Industrial Use: Power distribution and motor control systems
• Frequency Rating: 50/60 Hz
• Typical Installation: MCCs, switchgear, industrial control panels
• Manufacturer Status: Obsolete / Discontinued

Common Replacements:

• Eaton HFB2100
• Siemens HFD2100
• Square D LA2100