Westinghouse | 371D426G24 | Circuit Breaker | 400A | 2-Pole | 480V

The Westinghouse 371D426G24 circuit breaker is engineered to deliver reliable, high-current protection for 480V electrical systems. This 400A, 2-pole device is ideal for maintenance, retrofit, and replacement projects where exact specifications matter and seamless compatibility is a must.

Key specifications at a glance

• Amperage: 400 A
• Poles: 2-Pole
• Voltage rating: 480V
• Part number: 371D426G24
• Application: Suitable for maintenance, retrofit, and replacement in compatible systems

Compatibility note: Confirm fit and ratings before ordering. The 371D426G24 part number is the best reference for ensuring the breaker matches your panel or enclosure.

Why this model stands out

• Precise spec alignment: Designed to deliver 400A of protection in a two-pole configuration, making it a dependable choice for high-load, 480V circuits.
• Streamlined retrofits: When upgrading or replacing components in Westinghouse-era panels or compatible networks, this model helps preserve electrical characteristics and system behavior.
• Efficient maintenance and replacements: The 371D426G24 is positioned for quick identification and ordering, reducing downtime during critical service windows.

Who benefits most

Facilities engineers, maintenance technicians, and project teams responsible for panel upgrades or ongoing electrical protection rely on this breaker. It’s particularly well-suited for industrial environments, commercial power rooms, and retrofit projects where 480V, 400A protection is required and precise compatibility matters.

Real-world use cases

Use the Westinghouse 371D426G24 during routine maintenance to swap aging protection devices in 480V distribution panels, or during a retrofit to upgrade old circuits to a modern, robust 400A, 2-pole solution. This model helps minimize downtime by aligning with established part reference practices, ensuring you’re selecting the exact specification your system expects.

In practice, selecting this 371D426G24 breaker means you’re prioritizing a direct compatibility path for high-current 480V networks, reducing guesswork and supporting consistent electrical protection across your facility’s critical loads.