Westinghouse | 371D426G12 | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On

Westinghouse 371D426G12 Circuit Breaker delivers dependable protection for three‑phase electrical systems. With a 400A rating, 3‑pole configuration, and a 600V capacity, this bolt‑on breaker is built for maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage: 400A
• Poles: 3‑Pole
• Voltage rating: 600V
• Mounting: Bolt‑On
• Reference: Part number 371D426G12 (best compatibility reference)

Why this bolt‑on breaker is a smart choice

Designed for reliability in demanding panels, the 371D426G12 excels in retrofit and replacement scenarios where the bolt‑on format is required. By matching the exact Westinghouse specs, it simplifies equipment upgrades, minimizes panel modifications, and helps reduce downtime during service work.

Ideal use cases

Suitable for three‑phase distribution in industrial or commercial settings where a robust, high‑current protection device is needed. If you’re upgrading an aging panel or integrating a compatible system that requires a 400A, 600V, 3‑pole bolt‑on breaker, this unit aligns with those needs and maintains system continuity.

Practical guidance for a confident fit

• Always confirm fit and ratings before ordering.
• Use the part number 371D426G12 as the primary compatibility reference.
• Ensure your panel supports bolt‑on mounting and matches the three‑pole, 600V specification.

With the Westinghouse 371D426G12, you get a purpose‑built solution that supports steady operation, straightforward installation, and long‑term reliability in your electrical distribution setup. If your project calls for authentic Westinghouse compatibility and precise specs, this breaker offers a dependable path to uptime.