Westinghouse | 371D957G69 | Circuit Breaker | 250A | 3-Pole | 415V

Meet the Westinghouse 371D957G69 circuit breaker—a purpose-built protection device for demanding three‑phase electrical systems. Engineered for 415V operation with a 250A capacity, this 3‑pole breaker delivers reliable, coordinated interruption across all phases, helping to safeguard both equipment and personnel in industrial and commercial environments.

Key specifications

• Brand: Westinghouse
• Part number: 371D957G69
• Amperage: 250 A
• Poles: 3‑Pole
• Voltage rating: 415 V
• Application: Suitable for maintenance, retrofit, and replacement needs where matching specs are required

What makes this breaker uniquely capable

• Exact spec alignment for retrofits: Designed to slot into panels and distribution boards that call for a 3‑pole, 415V, 250A configuration, reducing guesswork during upgrades.
• Part-number-driven compatibility: The 371D957G69 is your most reliable reference to ensure a correct fit and sustained protection in legacy and new installations.
• Balanced protection across all phases: With a three‑pole design, faults on any phase are promptly isolated, helping prevent equipment damage and cascading failures in 3‑phase networks.

Ideal use cases

• Replacing aging breakers in industrial control panels where 3‑phase 415V systems are standard.
• Retrofit projects that require precise matching to existing electrical infrastructure without altering bus configurations.
• Maintenance scenarios where a dependable 250A protection device is needed to guard transformers, motors, and switchgear.

Compatibility and installation guidance

• Verify that your panel accepts 415V line voltage and supports a 250A, 3‑pole configuration before ordering.
• Cross-check the panel model and busbar arrangement against the 371D957G69 specification to ensure a seamless fit.
• Follow all safety practices and local electrical codes. Installation should be performed by a licensed electrician with the power isolated and devices de‑energized.
• Keep the part number handy—using 371D957G69 as a reference helps confirm long‑term compatibility and simplifies future replacements.

Whether you’re maintaining an existing 3‑phase installation, upgrading an aging panel, or retrofitting a facility to meet current protection standards, the Westinghouse 371D957G69 circuit breaker provides dependable, three-pole overcurrent protection at 415V. Confirm fit and ratings with the panel requirements, and use the part number as your definitive compatibility reference to ensure a precise, durable solution.