Westinghouse | 371D426G02 | Circuit Breaker | 400A | 2-Pole | 600V

Introducing the Westinghouse 371D426G02 Circuit Breaker — a rugged, reliable protection device built for demanding electrical systems. With a 400A rating across 2 poles and a 600V maximum, this breaker is engineered for heavy-duty service in maintenance, retrofit, and replacement projects where exact specifications matter.

Why this unit stands out — it’s not just about current capacity. The 371D426G02 is a precise fit when panel catalogs or legacy installations call for Westinghouse hardware, ensuring seamless compatibility and uninterrupted protection for critical circuits.

Key specifications

• Amperage: 400A
• Poles: 2-Pole
• Voltage: 600V
• Part number: 371D426G02

Ideal use cases

• Replacement of worn or failed breakers in Westinghouse panels and distribution equipment
• Retrofit projects where existing circuits require matching specifications for safe, continuous protection
• Maintenance scenarios to restore full protection for heavy-load feeders and essential services

What problems it solves

• Prevents overload and short-circuit damage on high-demand circuits by providing dependable interruption when thresholds are exceeded
• Maintains system reliability by restoring proper protection quickly after faults, reducing downtime for critical infrastructure
• Eliminates compatibility guesswork with a part-number-driven reference, simplifying ordering and inventory management

Compatibility and ordering guidance

Before you order, confirm fit and ratings for your specific panel or equipment. The 371D426G02 part number is the best reference for compatibility, ensuring you’re selecting the exact replacement or retrofit component your installation requires.

Designed for professionals who value precise specifications, predictable performance, and straightforward maintenance workflows, this Westinghouse circuit breaker is a trusted choice when you need robust protection that matches your existing system. Add the Westinghouse 371D426G02 to your order to secure dependable, ready-to-install protection for 400A, 2-pole, 600V applications.