Westinghouse | 315C043G17 | Circuit Breaker | 150A | 3-Pole | 480V | Bolt-On

Westinghouse 315C043G17 Circuit Breaker delivers dependable protection for 480V, three‑phase electrical systems in industrial and commercial environments. With a 150A rating and a 3‑pole configuration, this bolt‑on breaker is designed for retrofit, maintenance, and replacement projects where exact spec matching matters.

Engineered for straightforward installation, the bolt‑on design ensures a secure mounting and reliable performance in demanding panels. The 315C043G17 part number is the best reference for compatibility, helping you select the correct unit for your specific panel. Before ordering, verify fit and ratings against your panel model to prevent downtime and ensure safe operation.

Key specifications

• Amperage: 150 A
• Poles: 3‑Pole
• Voltage: 480 V
• Mounting: Bolt‑On
• Part Number: 315C043G17
• Application: Circuit protection for 3‑phase, 480V systems

Ideal use cases

• Replacement in existing panels that require the 315C043G17 specification for reliable protection
• Retrofit projects to upgrade to 3‑phase 480V distribution with 150A protection
• Maintenance planning with a ready, exact‑match spare to minimize downtime

Why this Westinghouse breaker stands out

Choosing this unit means aligning with the exact electrical characteristics of your system, reducing the risk of incompatibilities and improper tripping. The bolt‑on design provides a solid, vibration‑resistant connection that stays secure through routine servicing. In commercial and industrial settings, a precise 150A, 3‑pole breaker for 480V distribution helps protect motor drives, feeders, and other critical loads while maintaining balanced protection across all phases.

Practical tips for installation and upkeep

• Stock a spare 315C043G17 for planned maintenance to keep downtime to a minimum.
• When replacing, confirm the panel’s listing and torque specifications per manufacturer guidelines to ensure proper seating and secure latching.
• Verify that wiring gauge and insulation are suitable for 480V, 3‑pole operation to maintain safe, reliable performance.

Note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.