Westinghouse | FB2040SL | Circuit Breaker | 2-Pole

Introducing the Westinghouse FB2040SL 2-Pole Circuit Breaker — a purpose-built solution for maintenance, retrofit, and replacement in compatible panels. This two-pole unit protects two lines simultaneously, helping you streamline panel upgrades and maintain reliable overload protection where specifications match.

The FB2040SL model is identified by its part number, a precise reference that simplifies compatibility checks during procurement. When sourcing spares or performing panel work, using the FB2040SL part number is your best reference to avoid mismatches and downtime.

• 2-Pole design: provides simultaneous protection for two lines, ideal for shared-rail or 240V configurations in compatible Westinghouse panels.
• Exact part reference: Westinghouse FB2040SL ensures you’re selecting a breaker that aligns with your panel’s engineering requirements.
• Maintenance, retrofit, or replacement: a straightforward swap that minimizes service interruptions and preserves panel reliability.
• Compatibility-first approach: confirm fit and ratings before ordering; the FB2040SL part number is the best reference for compatibility.

Who should consider this breaker? Electricians, facility managers, and DIY enthusiasts working on Westinghouse panels that require a two-pole protection device documented as FB2040SL. It’s especially useful when upgrading older systems, restoring original protection schemes after component changes, or stocking spares for rapid maintenance cycles.

Practical use tips

• Always power down the panel and follow lockout/tagout procedures before installation or removal.
• Match the part number (FB2040SL) and pole configuration (2-Pole) to your panel’s labeling to ensure correct fit.
• Handle the breaker gently to avoid damage to terminals and ensure clean, secure connections.
• If in doubt about rating or compatibility, consult a licensed electrician to verify suitability for your specific panel and local electrical code requirements.