Westinghouse | FB3040S | Circuit Breaker | 3-Pole | Bolt-On

Meet the Westinghouse FB3040S 3-Pole Bolt-On Circuit Breaker—a purpose-built protection device designed for maintenance, retrofit, and replacement projects where exact specifications matter. Identified by the part number FB3040S, it ensures you’re selecting a genuine, compatible component for your electrical system.

Designed for secure, durable mounting, the FB3040S uses a bolt-on installation that helps maintain panel integrity and reliable electrical contact under load. This makes it a dependable choice for service upgrades, equipment refreshes, or legacy installations that require a true 3-pole solution.

Key advantages:

• 3-Pole bolt-on design provides robust mechanical mounting and reliable circuit protection in compatible panels.
• Exact part reference—FB3040S ensures you’re selecting the right replacement without guesswork.
• Maintenance, retrofit, and replacement ready—a versatile option for upgrading older systems or stocking a spare.
• Compatibility check essential—confirm fit and ratings before ordering to avoid mismatches.
• Best reference for compatibility—use the FB3040S part number as your primary lookup to match specifications and compatibility.

Use cases include updating service panels in commercial or industrial environments, swapping out worn breakers during routine maintenance, or retrofitting legacy electrical setups that require a 3-pole bolt-on configuration. The Westinghouse FB3040S provides a practical, straightforward path to restore protection without overhauling your entire panel.

If you’re maintaining a fleet of panels or replacing a failed unit, having the FB3040S on hand helps you quickly source the exact component needed, reducing installation downtime and ensuring consistent performance across circuits.