Eaton | FD3040LBP10 | Circuit Breaker | 40A | 3-Pole

Eaton FD3040LBP10 is a dependable 40-amp, 3-pole circuit breaker designed for maintenance, retrofit, and replacement projects where exact specifications matter. This unit slots into compatible Eaton panels and distribution systems to deliver reliable protection for three-phase circuits.

• Amperage: 40A
• Poles: 3-Pole
• Part reference: FD3040LBP10
• Intended use: Maintenance, Retrofit, Replacement
• Important note: Confirm fit and ratings before ordering; the part number is the best reference for compatibility.

This 3-pole configuration is suited for three-phase electrical systems, helping protect equipment and wiring across commercial or light industrial installations. By matching the exact part number, you ensure proper physical fit, compatible mounting, and consistent trip behavior within Eaton-compatible panels, reducing the risk of misfits that can lead to improper protection. Key use cases include:

• Upgrading or replacing a 3-phase circuit breaker in commercial panels to a 40A rating
• Retrofit projects where the Eaton FD-series is specified for panel consistency
• Maintenance cycles that require a direct, drop-in replacement to minimize downtime

Why this matters: - Precision compatibility minimizes installation tweaks and process downtime. - Three-pole protection aligns with balanced three-phase loads, ensuring simultaneous disconnection across all phases when tripped. - Using the exact part number FD3040LBP10 protects against mismatched ratings that could compromise circuit safety. Practical tips for buyers: - Always verify panel acceptance and bus style against the FD3040LBP10 specification before purchase. - Use the part number as the primary compatibility reference to avoid ordering errors. - If you’re unsure about fit, consult your panel’s manufacturer documentation for Eaton-compatible components and cross-reference with the FD3040LBP10 lineup. Designed for professionals who value precise compatibility and reliable protection, this Eaton circuit breaker delivers steady performance for three-phase circuits where 40A protection is required.