Westinghouse | FB3100 | Circuit Breaker | 100A | 600V

When your electrical panel calls for reliable overcurrent protection that matches your Westinghouse system, the Westinghouse FB3100 Circuit Breaker delivers dependable performance for maintenance, retrofit, and replacement projects. This 100-amp, 600-volt unit is designed to integrate seamlessly with existing equipment, preserving protective standards without needless downtime.

Direct-fit reliability for upgrades and repairs The FB3100 form factor is crafted to drop into systems that rely on this specific style, making it an ideal choice for refreshing aging panels, replacing a failed breaker, or accelerating a retrofit that requires exact specifications.

• Maintenance and service scenarios where precise 100A, 600V protection is required
• Panel retrofits aimed at restoring full circuit protection after component wear or system upgrades
• Replacement in residential, commercial, or light industrial installations that rely on Westinghouse compatibility

Key specifications at a glance

• Amperage: 100A
• Voltage rating: 600V
• Part number: FB3100

Important: Confirm fit and ratings before ordering. The FB3100 part number is the most reliable reference for compatibility, helping you avoid mismatches and installation delays.

Why choose the Westinghouse FB3100 for your project

• Exact-match protection: Maintains the same electrical protection characteristics as the original equipment designed for your panel.
• Peace of mind: Built to support safe operation in circuits rated up to 600V, with a 100A capacity for typical residential, commercial, and light industrial loads.
• Practical reliability: A straightforward replacement option that minimizes downtime during maintenance or retrofits.

Who benefits most

• Electricians performing panel maintenance or retrofit work
• Facility managers and property owners maintaining reliable electrical distribution
• Technicians replacing a failed circuit breaker while preserving original system specifications

For best results, treat the Westinghouse FB3100 as your go-to 100A, 600V solution whenever compatibility with the FB3100 family is required. By aligning with the exact part number and ratings, you safeguard your electrical system’s performance and reliability—today and into the future.