Square D FH26070AC - 70 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D FH26070AC — a 70 A, 600 V, 2-pole plug-in molded case circuit breaker from Square D, available from AmpState. Built to deliver dependable branch circuit protection in panelboards and load centers, it's designed for fast swaps and minimal downtime in residential, commercial, and light industrial environments.

• Fast plug-in installation and replacement that streamline service calls and panel upgrades.
• Thermal-magnetic trip delivers stable, repeatable protection, quickly opening on overloads and short circuits to prevent damage.
• OEM panel compatibility ensures seamless integration with matching Square D load centers and panelboards.
• 2-pole design disconnects both conductors simultaneously for enhanced safety and code compliance.

What it protects and where to use

Designed for branch circuits that require reliable overcurrent and short‑circuit protection at up to 600 volts, the FH26070AC is suitable for residential panel improvements, commercial electrical rooms, and light industrial installations. The 70 A rating makes it ideal for circuits fed from mid‑range feeders, helping prevent nuisance trips while maintaining system integrity.

Key specifications

• Manufacturer: Square D
• Part number: FH26070AC
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage rating: 70 A
• Voltage rating: 600 V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short‑circuit protection

Practical considerations and tips

Before installation, confirm your panelboard or load center accepts plug‑in circuit breakers in the FH family and that the bus and frame are compatible with a 2‑pole, 70 A device. Use proper safety protocols, label the circuit clearly, and keep a spare FH26070AC on hand for fast replacement during routine maintenance or fault isolation. This breaker is a robust choice for professionals who value quick serviceability without sacrificing reliability.