Westinghouse | 371D426G26 | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On

Westinghouse 371D426G26 is a 400A, 3-Pole, 600V bolt-on circuit breaker engineered for reliability in demanding electrical environments. Designed for maintenance, retrofit, and replacement projects, this unit ensures your three-phase protection aligns with exact specifications when upgrading or restoring power systems.

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

Why this matters in real-world setups: a 400A capacity meets robust load demands, while a 3-pole configuration provides balanced protection across all three phases. The bolt-on mounting offers secure, durable attachment, simplifying field installation and future service.

Ideal use cases include industrial panel maintenance, retrofit projects to upgrade a system to higher protection, and replacement of worn or obsolete bolt-on breakers that match the 371D426G26 specifications. This breaker is purpose-built for environments where exact compatibility and reliable overcurrent protection are essential.

Important buying guidance: confirm fit and ratings before ordering. The part number 371D426G26 is the best reference for compatibility, so cross-check this identifier against your panel or existing breakers to ensure a seamless match.

Practical tips for installers and facility managers: keep the panel area clean and dry during replacement, verify that the surrounding wiring and bus connections are rated for 600V, and store the unit in a clean, dry environment when not in use. By choosing the correct Westinghouse bolt-on circuit breaker, you help safeguard equipment, reduce downtime, and maintain stable, reliable power delivery across your operations.