Square D HDA260901 - 90 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HDA260901—a 90 A, 600 V, 2-pole plug-in molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. This device blends speed, safety, and compatibility to keep electrical systems running smoothly in demanding environments.

Why this breaker stands out

• Fast plug-in connection: streamline installation and rapid replacement, reducing downtime during servicing or panel upgrades.
• Thermal-magnetic trip unit: delivers stable, repeatable protection against overcurrent and short circuits across varying load conditions.
• 2-pole design for 240V circuits: ensures both conductors trip together for safer, coordinated shutdown of multi-wire circuits.
• 90A rating and 600V capacity: suited for medium-to-heavy branch circuits in residential, commercial, and light industrial applications.
• OEM compatibility: designed to fit and perform flawlessly with matching Square D load centers and panelboards, ensuring reliable fit and coordinated protection.
• Versatile installation: ideal for projects requiring fast deployment without compromising circuit protection quality.

Technical specifications

• Manufacturer: Square D
• Part number: HDA260901
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 90 A
• Voltage rating: 600 V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Use the HDA260901 in panelboards and load centers where quick replacement and reliable protection are critical. It’s particularly effective during panel upgrades in commercial spaces, retrofit projects in light industrial environments, and any installation that requires fast, dependable disconnection for 240V circuits.

Practical installation tips

Confirm that your panel is a matching Square D OEM load center for optimal trip coordination. When replacing an existing unit, leverage the plug-in connection to minimize downtime. Always verify that the circuit’s amperage and voltage align with the device rating, and follow applicable electrical codes during installation.