Square D | FHL16070 | Circuit Breaker | 70A | 1-Pole | 277V

The Square D FHL16070 circuit breaker is a precise, reliability-focused solution designed for 277-volt circuits. At 70 amps and 1-pole, it delivers targeted protection for commercial and retrofit applications where exact specifications matter.

• Amperage: 70A
• Poles: 1-Pole
• Voltage: 277V
• Part number reference: FHL16070 — the definitive compatibility reference
• Ideal uses: maintenance, retrofit, and replacement in compatible Square D panels

Why this specific 70A, 1-pole 277V breaker stands out

• Designed for environments where 277V circuits are standard, such as commercial lighting and auxiliary systems.
• Clear alignment with Square D panel configurations, helping reduce guesswork during installations or panel upgrades.
• Built to meet the exact electrical protection requirements of systems that rely on a single-pole 70A protective device.

Compatibility and buying tips

Before ordering, confirm fit and ratings on your panel labeling and with the panel’s documented acceptable breaker types. The part number FHL16070 is the best reference to ensure you’re selecting the correct replacement for your Square D setup. If you’re upgrading or retrofitting, this exact model is designed to slot into compatible low-profile or standard-finish enclosures that accept FHL-series breakers.

Practical use scenarios

• Replacing a failed 277V, 70A protection device in a commercial lighting or HVAC control circuit.
• During panel retrofits where a 1-pole 70A protective device is required to maintain circuit integrity.
• New installations in buildings that standardize on Square D breakers for consistent performance and easy maintenance.

Safety and installation notes

Electrical work should be performed by a licensed electrician. Always verify the panel’s labeling for compatible breaker types and voltage ratings, and ensure the replacement matches the exact amperage, pole count, and voltage required by the circuit you’re protecting. Using the exact part number—FHL16070—helps ensure reliable protection and optimal system performance.