Square D | FHF16025 | Circuit Breaker | 25A | 1-Pole | 277V

Square D FHF16025 is a compact, dependable circuit breaker designed for 277-volt systems. This 25-amp, 1-pole device provides targeted protection for a single branch circuit, making it ideal for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications at a glance

• Amperage: 25 A
• Poles: 1-Pole
• Voltage rating: 277 V
• Part reference: FHF16025

Why this Square D circuit breaker stands out

Designed to align with Square D panels, the FHF16025 leverages the brand’s reliable engineering to deliver consistent overcurrent protection for a single circuit. The 277V rating makes it a practical choice for commercial and light industrial environments where higher-voltage branch circuits are common. By using the exact part number as your compatibility reference, you reduce the risk of misfits and ensure a smooth retrofit or replacement with minimal panel disruption.

Ideal use cases

• Retrofit or replacement in 277V electrical systems requiring a 25A single-pole breaker.
• Protection for individual commercial lighting circuits, HVAC control lines, or process equipment operating at 277V.
• Upgrading legacy panels that specify the FHF16025 for compatibility and reliable performance.

Practical installation tips

Before ordering, confirm fit and ratings using the FHF16025 part number as your primary reference. Check your panel model, mounting style, and terminal configuration to ensure a seamless swap. When installing, disconnect power, follow standard safety procedures, and preserve the existing mounting footprint to minimize downtime. This approach helps you achieve dependable circuit protection with minimal disruption to ongoing operations.