Westinghouse | NB3700PR | Circuit Breaker | 3-Pole

Introducing the Westinghouse NB3700PR 3-Pole Circuit Breaker—a purpose-built solution for maintenance, retrofit, and replacement projects where exact-spec compatibility matters. The NB3700PR part number is your strongest reference for ensuring a seamless fit in Westinghouse panels and bus configurations. Before ordering, confirm the panel fit and ratings against your documentation to prevent mismatches and ensure reliable protection.

Why the NB3700PR 3-Pole stands out

• 3-Pole design provides coordinated disconnection of three conductors, ideal for compatible three-pole or multi-pole configurations in Westinghouse systems.
• Direct compatibility reference the NB3700PR part number is the best way to verify that this breaker matches your panel’s requirements.
• Maintenance, retrofit, and replacement ready engineered to slot into established installations where matching specifications are essential, reducing downtime and uncertainty.
• Designed for reliable protection built to perform within standard electrical protection expectations in compatible Westinghouse panels.

Practical use cases

Whether you’re performing routine maintenance, upgrading an older panel, or replacing a failed or tripped breaker, the Westinghouse NB3700PR 3-Pole Circuit Breaker offers a straightforward path to restoring proper circuit protection. It’s particularly suited for installations that require a precise three-pole device within Westinghouse-compatible systems, helping you maintain consistent protection characteristics across the panel lineup.

Installation and safety notes

• Verify your panel’s pole configuration and electrical ratings match the NB3700PR before installation.
• Power down the panel and follow local electrical codes and safety practices during replacement or retrofit work.
• Consult your panel labeling and documentation to ensure full compatibility with this three-pole breaker.

Who this is for

electricians, facility maintenance teams, and contractors who work with Westinghouse panels and require a dependable, properly referenced 3-pole circuit breaker for maintenance, retrofit, or replacement projects. By aligning with the NB3700PR part number, you reduce guesswork and keep installations compliant with expected performance.