Westinghouse | FB3150N | Circuit Breaker | 3-Pole | Bolt-On

The Westinghouse FB3150N 3-Pole Bolt-On Circuit Breaker is engineered for reliable overcurrent protection in compatible electrical panels. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker drops into the existing mounting and bus arrangement with precision, helping you restore service quickly and with confidence.

• Three-pole, bolt-on design: Secure, vibration-resistant mounting that aligns with standard Westinghouse panel footprints.
• Exact reference for compatibility: The part number FB3150N is the primary guide to ensure you’re selecting the correct breaker for your panel system.
• Versatile applications: Ideal for maintenance, retrofit, and replacement needs in residential, commercial, and light industrial settings.
• Consistent protection: Delivers dependable circuit protection when installed in compatible panel boards with matching ratings.
• Important note: Confirm fit and ratings before ordering to avoid compatibility issues.

Who this is for: electricians, facility managers, and technicians undertaking panel upgrades or service work where a 3-pole, bolt-on breaker is specified. Use cases include upgrading older panels, performing scheduled replacements, or retrofitting systems to meet new electrical codes—all while preserving the original Westinghouse design and reliability.

Practical guidance for use: start with the panel model and bus type, then verify that the FB3150N’s mounting and trip characteristics align with your system requirements. By relying on the explicit part number, you minimize guesswork and ensure a smooth install experience with minimal downtime.