Square D | FH16070C | Circuit Breaker | 70A | 1-Pole | 277V

Square D FH16070C Circuit Breaker is a dependable 70A, 1-Pole device designed for 277V circuits. Built for maintenance, retrofit, and replacement projects where exact compatibility matters, this breaker delivers precise overcurrent protection for a single hot leg in commercial and industrial electrical environments. The 70 amp rating handles high-demand loads with confident interruption, while the 1-pole design keeps installation straightforward on one hot conductor.

Key features that matter in real-world panels

• 70A amperage provides robust protection for high-demand lighting and branch circuits.
• 1-Pole design protects a single hot leg in 277V systems for streamlined integration.
• 277V operation makes it suitable for commercial lighting and other 277-volt circuits common in larger facilities.
• Part number FH16070C serves as the best reference for exact compatibility with your Square D panel.
• Trusted Square D engineering quality, designed to fit and perform consistently in the right panel environments.

Note: Confirm fit and ratings before ordering. The FH16070C part number is the best reference for compatibility.

Ideal use scenarios

• Replacing a blown or aging breaker in existing Square D panels that service 277V lighting or other single-leg loads.
• Retrofit projects where high-current 277V branches require reliable, single-pole protection without altering panel architecture.
• Maintenance cycles that prioritize matching the original specifications to preserve panel labeling and protection schemes.

Compatibility, installation, and practical tips

• Always verify that your panel is listed to accept a 1-Pole, 277V, 70A FH16070C replacement before purchase.
• Turn off the main power and lockout/tagout the panel before installation to ensure a safe, compliant process.
• Follow the panel manufacturer’s torque specifications when securing the breaker to prevent arcing and ensure reliable connection.
• Keep a record of the part number FH16070C in your maintenance log to simplify future replacements and audits.

Why choose this Square D breaker

Choosing the FH16070C means selecting a component with a proven track record in commercial electrical systems. It delivers dependable, predictable protection for 277V circuits, maintains the integrity of your protection scheme, and aligns with existing infrastructure when you need a precise, reliable replacement or upgrade.