Schneider Electric FJA140503 50A 1-Pole 277 V Circuit Breaker

Schneider Electric FJA140503 is a 50 A, single-pole circuit breaker designed for 277 V circuits. This specific part number clearly identifies a protection device from Schneider Electric, built to help safeguard a dedicated branch in commercial electrical systems while supporting reliable operation over time.

Specification highlights you can rely on:

• Current rating: 50 A
• Poles: 1
• Voltage rating: 277 V
• Part number: FJA140503
• Brand: Schneider Electric

Ideal applications and practical use cases:

• Protect a dedicated 277 V lighting or small-load branch in commercial spaces such as offices, retail locations, or industrial facilities.
• Replace a failed or aging single-pole breaker in compatible Schneider Electric panels to restore reliable circuit protection.
• In panel boards and distribution systems that utilize 277 V configurations, this 1-pole device provides targeted protection for a single circuit without unnecessary complexity.

Why this 50 A, 1-pole 277 V breaker stands out:

• Clear alignment with 277 V distribution needs, making it a straightforward choice for circuits operating at this voltage level.
• Concrete, field-proven design from Schneider Electric that supports consistent protection for higher-demand branch circuits.
• Compact, single-pole format that simplifies installation and inventory in setups where a single protective device is required for a specific load.

Installation tips and considerations:

• Ensure the panel or enclosure accepts a 1-pole, 277 V device before installation.
• Follow standard electrical safety practices: de-energize the system, use proper PPE, and verify compatibility with your existing panel components.
• Keep the part number FJA140503 handy for ordering, replacement, and maintenance to maintain consistent system protection.