Westinghouse | 371D426G15 | Circuit Breaker | 150A | 3-Pole | 600V | Bolt-On

Westinghouse 371D426G15 Circuit Breaker is a robust protection device designed for 3‑pole, 150A circuits in 600V systems. Built for maintenance, retrofit, and replacement work, this bolt‑on breaker helps you quickly restore critical overcurrent protection with precision and reliability.

Key specifications

• Amperage: 150 A
• Poles: 3‑Pole
• Voltage rating: 600 V
• Mounting: Bolt‑On
• Part number: 371D426G15

What makes it stand out

With its bolt‑on configuration, this Westinghouse breaker provides a secure, conductor‑friendly interface ideal for rapid field service. The 3‑pole design protects three‑phase loads, making it suitable for commercial and light industrial panels where 600V services are used. The 150A rating supports heavy‑load circuits, offering protection for motors, pumps, and other demanding equipment while maintaining operational flexibility.

Use cases

• Panel maintenance: replace a failed breaker without disturbing other circuits, preserving system integrity.
• Retrofit projects: upgrade old equipment to a higher amperage or more current‑capable protection scheme.
• Replacement part for service fleets: keep a ready‑on‑hand spare that matches existing Westinghouse 371D series installations.

Fit, compatibility, and installation notes

Notes: Confirm fit and ratings before ordering. Part number 371D426G15 is the best reference for compatibility. This Bolt‑On breaker is designed for applications where a secure, reliable 3‑Pole, 600V protection device is required, and assumes a compatible panel enclosure and mounting hardware.

Whether you’re balancing a three‑phase distribution, protecting motor circuits, or upgrading an aging electrical panel, this Westinghouse 371D426G15 breaker delivers dependable performance when you need it most.