Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Based in Canada
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Serving USA & Canada
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| Amperes | 400 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Meet the Westinghouse 371D426G35 circuit breaker — a rugged 400A, 3-pole, 600V bolt-on unit built for demanding electrical panels. Designed for maintenance, retrofit, and replacement projects, this breaker provides dependable overcurrent protection when your system requires exact specifications.
Amperage: 400A
Poles: 3-Pole
Voltage rating: 600V
Mounting method: Bolt-On
Part reference: 371D426G35
Exact-fit compatibility is crucial in industrial settings. This 371D426G35 unit is designed to slide into compatible bolt-on panels where a 3-pole, 400A, 600V breaker is required. The bolt-on design offers a secure, solid connection that resists vibration and arcing in demanding environments, reducing maintenance calls and downtime.
Use this breaker for: routine maintenance replacements in commercial or light-industrial panels, retrofit projects where older equipment needs upgrading to meet current safety standards, and replacement scenarios where your system relies on a 3-pole, 400A, 600V bolt-on protection. Before ordering, confirm fit and ratings; the part number is your best compatibility reference.
Ensure main power is isolated before installation. Verify panel compatibility with bolt-on mounting and confirm that bus connections align with the 371D426G35 designation. Follow local electrical codes and manufacturer instructions, and use appropriate PPE during handling and installation.
Westinghouse circuit breakers are trusted for durability in industrial and commercial electrical systems. This 371D426G35 unit provides the protection your panels rely on, backed by the Westinghouse heritage of reliability. If your setup requires a precise 400A, 3-pole, 600V bolt-on breaker, this is the specification-matching choice to keep systems safeguarded and compliant.
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General feedback we often hear from customers purchasing industrial electrical parts.
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Quick confirmation on details and a smooth ordering process.
Purchasing · Fast turnaround
Came well packed. Labeling made receiving and staging easy.
Warehouse · Receiving
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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