Square D | FHF16050 | Circuit Breaker | 50A | 1-Pole | 277V

Square D FHF16050 Circuit Breaker — a reliable, ready-to-deploy protection device for your 50-amp, single-pole needs at 277V. Designed for maintenance, retrofit, and replacement projects, this exact part ensures you’re restoring protection with the precise specifications your system requires.

Key specifications

• Amperage: 50 A
• Poles: 1-Pole
• Voltage: 277 V
• Brand: Square D
• Part number: FHF16050

Why this Square D breaker stands out

When you’re restoring an electrical panel, exact compatibility matters as much as reliability. The FHF16050 is purpose-built to meet Square D’s stringent design and performance standards, delivering consistent tripping behavior and robust protection for circuits up to 50 amps. Its single-pole configuration makes it ideal for single-phase circuits and dedicated feeder protection in commercial or industrial environments that operate at 277V.

Ideal use cases

• Maintenance and preventive replacement for aging panels that require a 50A, 1-pole, 277V breaker
• Retrofit projects where a precise Square D part reference is essential to maintain panel listings and warranties
• Protection of high-load circuits such as large lighting runs or power feeders in commercial facilities operating on 277V

Compatibility and installation notes

Compatibility is driven by the exact part reference. Before ordering, confirm fit and ratings by matching FHF16050 to your panel catalog and the panel’s acceptance of this specific breaker type. Using the correct part number helps ensure safe operation, proper tripping characteristics, and adherence to listing requirements.

Practical tips for best results

• Keep a spare FHF16050 on hand for planned maintenance and unexpected outages
• Always deactivate power and verify zero voltage before removing or installing a breaker
• Label the replacement clearly in the panel to maintain accurate electrical records and future service planning