Westinghouse FDB3100 100A 3P 600V Circuit Breaker | AmpState

Discover the Westinghouse FDB3100 100A 3P 600V Circuit Breaker—a rugged, ready-to-install protection device designed for everyday electrical work in panelboards, load centers, and distributed electrical systems.

Built for professionals who value exact part-number compatibility, this model is a smart pick for maintenance teams, panel builders, and spare inventory where a direct part-number match matters. The 3-pole design provides robust three-phase protection, while a 600V rating ensures reliable performance in medium- to high-load environments, helping keep circuits safe and equipment up and running.

• Manufacturer: Westinghouse
• Part Number: FDB3100
• Product Type: Circuit Breaker
• Amperage: 100 A
• Poles: 3
• Voltage: 600 V
• Availability: AmpState

Why this breaker stands out

• Exact-match compatibility: The Westinghouse FDB3100 ensures a perfect fit with existing panelboards and distribution gear, streamlining maintenance and reducing downtime.
• Three-phase protection: The 3-pole configuration delivers synchronized protection across all phases, helping prevent unbalanced loads and nuisance trips in commercial or industrial setups.
• Ready-to-ship from AmpState: Secure this model quickly to minimize interruptions during servicing or upgrades.

Ideal use cases

• Replacing a failed breaker in panelboards or load centers within offices, factories, or distribution rooms.
• Maintaining a dedicated spare inventory for Westinghouse installations that require exact part-number matching.
• Supporting compliance-driven projects where traceable part numbers and reliable performance are essential.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.