Westinghouse | 371D426G08 | Circuit Breaker | 400A | 2-Pole | 600V | Bolt-On

Meet the Westinghouse 371D426G08 Circuit Breaker — a rugged, high-current protective device engineered for demanding electrical systems. This 400A, 2-pole, 600V bolt-on breaker is designed to provide reliable fault protection in maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications at a glance

• Amperage: 400A
• Poles: 2-Pole
• Voltage: 600V
• Mounting: Bolt-On
• Part reference: 371D426G08

Why choose bolt-on for your panel? Bolt-on mounting provides a robust mechanical connection that’s well-suited for high-current, vibration-prone environments and panels that require a secure, rigid attachment. This design helps maintain reliable electrical continuity and fault protection over time, even in demanding installation conditions.

Use cases and ideal applications

• Maintenance and service upgrades in commercial or light industrial electrical rooms where exact specs must be matched
• Retrofits or replacements in legacy panels that are configured for bolt-on protection devices
• New installations that require a 400A, 2-pole, 600V breaker with a durable bolt-on mounting solution

Important fit and safety guidance — before ordering, confirm fit and ratings match your panel and system requirements. The part number 371D426G08 serves as the best reference for compatibility. Installation should be performed by a qualified electrician, with the power fully de-energized and in compliance with applicable electrical codes and standards. Verify that your enclosure, bus arrangement, and rating plate support bolt-on breakers of this size and configuration.

Practical considerations that set this apart

• Direct, secure mounting for high-current protection in panels that require a bolt-on solution
• Precise compatibility via the exact Westinghouse part number to minimize guesswork in replacement scenarios
• Clear suitability for maintenance, retrofit, and replacement projects where matching specs is essential

With its specified 400A, 2-pole, and 600V ratings, the Westinghouse 371D426G08 delivers dependable protection for your distribution system, helping prevent equipment damage and unscheduled downtime. Rely on a trusted, purpose-built solution that aligns with your exact electrical requirements and installation environment.