Westinghouse HFD3125 125A 3P 600V Circuit Breaker | AmpState

Meet the Westinghouse HFD3125, a 125A, 3-pole, 600V circuit breaker built to safeguard panelboards, load centers, and electrical distribution with dependable performance. Available from AmpState, this direct replacement part helps you maintain exact BOM alignment with the original Westinghouse specification, making upgrades or stocking spares straightforward and reliable.

Key specifications at a glance

• Manufacturer: Westinghouse
• Part number: HFD3125
• Product type: Circuit Breaker
• Amperage: 125 A
• Poles: 3
• Voltage rating: 600V

Direct compatibility and lasting value

This HFD3125 is designed for seamless integration in panelboards, load centers, and electrical distribution systems that rely on Westinghouse-era components. It preserves the original protection scheme and electrical characteristics, helping you avoid compatibility issues and additional setup steps during replacement projects.

Why it matters for your project

• Replacement-ready: Perfect for refurbishing existing installations without changing the original BOM, reducing engineering changes and procurement risk.
• Spare stock with confidence: Keeping the HFD3125 on hand ensures you can respond quickly to outages or maintenance windows, minimizing downtime.
• Verified part number: Using the exact HFD3125 part number preserves labeling, ratings, and traceability within your electrical distribution network.
• AmpState support: If you’re unsure about fit, message AmpState for compatibility confirmation and part-number matching to keep your project on track.

Ideal use cases

• Upgrading aging panels where a direct Westinghouse 3-pole 125A, 600V breaker is required to restore protection and performance.
• Creating a reliable spare inventory for facilities with Westinghouse-equipped distribution systems, ensuring quick replacements during planned maintenance or unexpected outages.
• OEM-style panelboard rebuilds or retrofits that demand exact part-number fidelity to maintain documentation and warranty support.

Installation and practical guidance

For best results, verify that your equipment is designed to accept a 3-pole, 125A, 600V Westinghouse breaker and that the HFD3125 matches the original part number in your BOM. When in doubt, reach out to AmpState to confirm fit and compatibility before purchase. Once confirmed, installation follows standard safety practices for circuit breakers: shut off power, check for proper bus connection seating, and ensure the enclosure face‑mount aligns with your panel’s mounting provisions.