Westinghouse | 314C640G03 | Circuit Breaker | 630A | 3-Pole | 415V

When you need a dependable circuit protection solution for three-phase 415V systems, the Westinghouse 314C640G03 Circuit Breaker delivers. Built for maintenance, retrofit, and replacement projects, this 3-pole unit is rated at 630A, ready to safeguard your industrial electrical infrastructure against overloads and short circuits.

Key specifications

• Amperage: 630A
• Poles: 3-Pole
• Voltage: 415V

Why this model stands out

Designed to match the exact Westinghouse 314C640G03 reference, this circuit breaker ensures a precise fit in existing panels and distribution gear. The 3-pole configuration provides balanced protection for three-phase power, helping maintain motor starts and process lines without unnecessary interruptions.

Ideal use cases

• Maintenance: swap-in replacement for aging or failing breakers in 3-phase systems rated at 415V
• Retrofit: upgrade legacy equipment to a contemporary, compatible Westinghouse unit
• Replacement: keep spares ready for critical service panels that demand the 314C640G03 part family

Important compatibility notes

Before ordering, confirm fit and ratings on your panel or switchgear. The part number, 314C640G03, is the best reference for compatibility with your equipment.

Installation and safety tips

Install in accordance with your facility's electrical codes. This unit is intended for use in three-phase 415V circuits and should be installed by a qualified electrician who can verify conductor sizing, busbar rating, and protective coordination.