Westinghouse | 315C043G07 | Circuit Breaker | 400A | 3-Pole | 415V

Meet the Westinghouse 315C043G07 Circuit Breaker — a purpose-built, robust solution for three‑phase power systems. With a 400A rating, 3-Pole configuration, and a 415V operating voltage, this device is engineered for accurate protection in maintenance, retrofit, and replacement projects where exact specifications are essential.

• Amperage: 400A
• Poles: 3-Pole (three-phase protection)
• Voltage: 415V

Why this specific circuit breaker matters: when upgrading or repairing a panel, the part number becomes your best reference for compatibility. The 315C043G07 is designed to align with Westinghouse’s standard frames and mounting geometry, ensuring a secure fit and predictable electrical behavior in your existing distribution setup.

Real-world use and benefits

• : Swap-in required devices without altering wiring or panel architecture, reducing downtime during maintenance windows.
• : Provides reliable overcurrent protection for three-phase circuits, helping safeguard motors, drives, and other heavy loads.
• : By matching amperage, pole count, and voltage, you minimize compatibility surprises and ensure consistent performance across your electrical system.
• : Industrial facilities, commercial buildings with three‑phase equipment, and maintenance teams performing system upgrades or panel refurbishments.

Buying with confidence

Before ordering, confirm fit and ratings for your specific panel or switchgear. The 315C043G07 part number is the most reliable reference for compatibility, helping you avoid mismatches that can impact protection and performance.

With the Westinghouse name behind it, this circuit breaker combines durable construction with precise electrical characteristics—delivering dependable protection for your three‑phase distribution and giving you peace of mind during critical maintenance and retrofit projects.