Square D FH26050AB - 50 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D FH26050AB is a 50 A, 600 V, 2-pole plug-in molded case circuit breaker engineered for reliable branch circuit protection in panelboards and load centers. Built to safeguard against overcurrent and short circuits, this unit delivers precise, repeatable protection where it counts.

• Fast plug-in connection enables quick installation and easy replacement, minimizing panel downtime during upgrades or service calls.
• Thermal-magnetic trip unit provides comprehensive protection by combining thermal (overload) and magnetic (short-circuit) sensing for stable, predictable trips.
• OEM-compatible design matches Square D load centers and panelboards for a seamless, code-compliant fit.
• Versatile applications suitable for residential, commercial, and light industrial environments where dependable circuit protection matters.

Technical snapshot

• Manufacturer: Square D
• Part number: FH26050AB
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 50 A
• Voltage rating: 600 V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why it matters for your panel

Choosing the FH26050AB means prioritizing reliability and serviceability. The plug-in form factor simplifies upgrades and routine maintenance, reducing technician time and panel exposure. The thermal-magnetic trip mechanism reacts quickly to short circuits while preventing nuisance trips during normal load fluctuations, helping your electrical system stay up and running without unexpected shutdowns.

Ideal use cases

• Upgrading or replacing a 2-pole protection device in residential main panels or subpanels.
• Providing robust protection for feeders and branch circuits in light commercial installations.
• Ensuring code-compliant, OEM-compatible protection in panelboard retrofits with minimal downtime.

For applications demanding dependable, plug-in circuit protection from a trusted name, the Square D FH26050AB delivers precise performance, straightforward installation, and compatibility with compatible load centers and panelboards—making it a practical choice for electricians and facilities managers alike.