Westinghouse HFD3100L Molded Case Circuit Breaker

Description:

The Westinghouse HFD3100L Circuit Breaker with Auxiliary Contact is a 100 Amp 3 Pole molded case circuit breaker used in industrial power distribution and control monitoring systems. Commonly installed in manufacturing equipment, automation panels, HVAC systems, motor control centers, and commercial electrical distribution assemblies requiring breaker status indication or remote signaling. Maintenance teams, OEMs, and system integrators use this breaker for overload protection, retrofit projects, system monitoring integration, and replacement of industrial branch circuit breakers.

Applications:

The Westinghouse HFD3100L with auxiliary contact is commonly used in industrial and commercial electrical systems requiring dependable branch circuit protection along with remote breaker status monitoring. It is frequently installed in industrial automation cabinets, processing equipment, OEM machinery, pump systems, MCC assemblies, and facility distribution panels where thermal magnetic protection and auxiliary signaling functions are necessary for operational safety, diagnostics, and automation integration.

Technical Specifications:

• Brand: Westinghouse
• Part Number: HFD3100L
• Product Type: Molded Case Circuit Breaker with Auxiliary Contact
• Current Rating: 100 Amp
• Number of Poles: 3 Pole
• Voltage Rating: 600 VAC
• Frequency Rating: 50/60 Hz
• Phase Compatibility: 3 Phase
• Trip Type: Thermal Magnetic
• Auxiliary Feature: Auxiliary Contact Installed
• Mounting Style: Bolt-On
• Frame Series: HFD
• Protection Type: Overload and Short Circuit Protection
• Application: Branch Circuit Protection and Status Monitoring
• Suitable For: Industrial Power Distribution Systems
• Construction Type: Molded Case Industrial Breaker
• Typical Installation: MCCs and Industrial Control Panels

Common Replacements:

• Eaton HFD3100 with AUX
• Cutler-Hammer HFD3100 Auxiliary Contact
• Westinghouse HFD3100