Westinghouse | 315C043G04 | Circuit Breaker | 40A | 3-Pole | 415V

Meet the Westinghouse 315C043G04 circuit breaker—a purpose-built, 40A, 3-pole device designed for 415V electrical systems. Engineered for reliability in maintenance, retrofit, and replacement projects, this breaker ensures your three-phase protection aligns precisely with your panel’s specifications and operational demands.

Key specifications at a glance

• Amperage: 40A
• Poles: 3-Pole
• Voltage rating: 415V
• Part number: 315C043G04

Why this Westinghouse breaker stands out

• Exact specification match: The 315C043G04 designation is your best reference for compatibility, reducing guesswork during maintenance or panel upgrades.
• Three-phase protection: The 3-pole design provides coordinated interruption across all phases, helping safeguard motors, drives, and other line-side equipment in industrial settings.
• Specifically suited for 415V systems: This unit is built to perform reliably in environments where 415V distribution is standard, ensuring consistent protection in your electrical infrastructure.

Ideal use cases

• Maintenance or retrofit of older panels where a precise part replacement is required.
• Replacement of a failed circuit breaker in 3-phase, 415V distributions across manufacturing floors, processing plants, or large equipment setups.
• New installations that demand the exact Westinghouse 315C043G04 specifications for seamless integration and predictable trip behavior.

Practical considerations and installation tips

Before ordering, verify that the fit and ratings align with your panel and the circuits you intend to protect. The part number 315C043G04 is the most reliable reference for compatibility, so cross-check it against your panel documentation and any retrofit kits you’re using. For best results, have a qualified electrician confirm mounting, busbar alignment, and panel labeling match the 3-pole, 415V configuration of this breaker.

With the Westinghouse 315C043G04, you gain a dependable, standards-aligned solution for protecting critical loads in three-phase systems, helping you minimize downtime and maintain consistent electrical performance across your facility.