Square D FH26090AC - 90 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

Powerful protection for demanding electrical systems, the Square D FH26090AC is a 90A, 600V, two-pole plug-in molded case circuit breaker designed to guard branch circuits in panelboards and loadcenters. Built to deliver dependable overcurrent and short-circuit protection, it keeps critical equipment safe and downtime minimal.

• Fast plug-in connection for quick installation and fast field replacement, reducing panel downtime during upgrades or servicing.
• Thermal-magnetic trip unit provides stable, repeatable protection that responds to both overload and short-circuit conditions, helping prevent nuisance trips while safeguarding wiring and devices.
• OEM-compatible design ensures seamless compatibility with matching Square D OEM load centers and panelboards, preserving original equipment performance and labeling.
• Versatile across settings suitable for residential, commercial, and light industrial applications, from home service panels to small business electrical rooms.

Technical details you can count on:

• Manufacturer: Square D
• Part number: FH26090AC
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 90 A
• Voltage rating: 600 V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Use cases and practical notes:

• Ideal for protecting branch circuits in main service panels, subpanels, or equipment panels where fast replacement and reliable trip performance are vital.
• When retrofitting or expanding panelboards, choose the FH26090AC for a plug-in fit that minimizes wiring work and downtime.
• Regularly inspect for corrosion or wear around the plug-in terminals and ensure the breaker seats firmly in the bus stabs to maintain reliable tripping.