Westinghouse | 371D426G22 | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On

Protect and power three-phase equipment with confidence using the Westinghouse 371D426G22 Circuit Breaker. This 400A, 3-Pole, 600V bolt-on model is built for durability and precise protection, making it ideal for maintenance, retrofit, and replacement tasks where exact specifications matter.

Key specifications

• Amperage: 400A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On

Why this Westinghouse breaker stands out

• Designed for quick, reliable field installation in panels that require a bolt-on circuit breaker.
• Specifically suited for maintenance, retrofit, and replacement projects where matching specs are essential.
• Part reference: 371D426G22 — using the part number is the best way to verify compatibility with your panel and system.

Ideal use cases

• Industrial and commercial electrical panels that operate up to 600V and require 400A protection.
• Retrofits where upgrading or replacing aging or failed breakers is needed without changing the panel design.
• Spare part for service technicians who maintain multi-panel installations with Westinghouse bolt-on breakers.

Installation and compatibility tips

• Always confirm fit and ratings before placing an order—verify that your panel accepts bolt-on breakers of this type and amperage.
• Check panel labeling and documentation to ensure the 3-Pole, 400A, 600V configuration matches your system requirements.
• Use the part number 371D426G22 as the primary reference to guarantee compatibility with your equipment.
• Have a qualified electrician perform the installation to ensure safe, code-compliant operation.

With Westinghouse reliability, the 371D426G22 Circuit Breaker delivers robust, predictable protection for your critical circuits. It’s the practical, specification-accurate choice for professionals tackling maintenance, retrofit, or replacement projects in 600V, three-phase environments.