Eaton | FD1040BP10 | Circuit Breaker | 40A | 1-Pole | 277V

Engineered by Eaton, the FD1040BP10 is a 40-amp, 1-pole circuit breaker designed for reliable overcurrent protection in 277-volt distribution systems. This unit is intended for maintenance, retrofit, and replacement projects where exact specifications matter, ensuring you preserve electrical safety and system integrity.

Key specifications at a glance:

• Amperage: 40A
• Poles: 1-Pole
• Voltage rating: 277V

Where you’ll use it: This breaker is ideal for commercial and industrial panels that run on 277V single-phase or derived circuits. It’s a practical choice when upgrading or refurbishing equipment in manufacturing facilities, office buildings, data centers, or anywhere 277V distribution is in place.

Why this Eaton model stands out: You’re not guessing with FD1040BP10 — the part number itself is your best reference for compatibility. Before ordering, verify fit and ratings match your panel’s requirements. This targeted approach minimizes the risk of mismatched breakers and helps you maintain a safe, compliant electrical system.

How it solves common problems:

• Prevents electrical overloads in 277V branch circuits, helping protect motors, lighting, and power distribution equipment.
• Offers a straightforward replacement path for existing FD1040BP10 installations, reducing downtime during service or retrofits.
• Supports retrofits and maintenance projects without needing to overhaul the entire panel — reuse or replace with the same amperage and pole configuration.

Installation and safety notes: Replacement should be performed by a qualified electrician. Always confirm that the replacement breaker matches the original amperage, pole count, and voltage rating, and follow standard lockout/tagout procedures during service.

With Eaton’s FD1040BP10, you get dependable protection for your 277V circuits while preserving the layout and safety features of your existing distribution system. If you’re upgrading, repairing, or maintaining a panel that requires a precise 40A, 1-pole device, this breaker aligns with your specs and installation practices.