Westinghouse | 371D426G06 | Circuit Breaker | 400A | 2-Pole | 600V | Bolt-On

Introducing the Westinghouse 371D426G06 circuit breaker — a purpose-built, bolt-on solution engineered for demanding 600V electrical environments. With a robust 400A capacity and a two-pole design, this unit delivers reliable overcurrent protection for high-load panels, maintenance projects, retrofits, and replacements where exact specifications matter.

• Amperage: 400A
• Poles: 2-Pole
• Voltage rating: 600V
• Mounting: Bolt-On
• Part reference: 371D426G06
• Best for: maintenance, retrofit, and replacement in compatible panels

Why this Westinghouse breaker stands out

• Designed for bolt-on installation, offering a secure, vibration-resistant connection in suitable panels.
• Precisely matched specifications make it a reliable drop-in replacement when panel catalogs, service manuals, or part numbers point to 371D426G06.
• Strong compatibility for 600V systems, enabling protection of motors, feeders, and other high-demand circuits in commercial and industrial settings.

Ideal use cases

• Retrofitting aging electrical panels with a trusted 400A, 2-pole bolt-on breaker to restore or upgrade protection.
• Maintenance and service work where sustaining or upgrading circuit protection is essential to keep equipment running smoothly.
• Replacement for panels that specify the 371D426G06 part number, ensuring you maintain original protection characteristics and coordination.

Practical guidance for installation and compatibility

• Before ordering, confirm fit and ratings for your specific panel — the part number (371D426G06) is the best reference for compatibility.
• Verify that your panel and bus layout support bolt-on breakers and 600V operation to avoid upgrade bottlenecks.
• Store the exact part number in your inventory to streamline future maintenance and reduce troubleshooting time.

For facilities that demand dependable, high-current protection with straightforward installation, the Westinghouse 371D426G06 circuit breaker delivers a precise fit, clear ratings, and durable performance in challenging 600V applications. If you’re planning a retrofit, replacement, or ongoing maintenance, this unit provides the authoritative compatibility you need while keeping downtime to a minimum.