Square D HJA261504 - 150 A, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D HJA261504 is a robust 150 A, 2-pole plug-in molded case circuit breaker designed to deliver reliable branch circuit protection for panelboards and load centers. With a fast plug-in connection, it’s engineered for quick installation and straightforward replacements, minimizing downtime during maintenance or upgrades.

Key advantages that matter in the field

• Fast plug-in connection — streamlined installation and easy field replacement reduce service time and labor costs.
• Thermal-magnetic trip unit — combines a thermal element for stable overload protection with a magnetic trip for rapid response to short circuits, delivering repeatable, predictable protection performance.
• 2-pole, 150 A design — ensures simultaneous disconnection of both poles on 240 V circuits, enhancing safety and protecting paired loads like motors and multi-wire branch circuits.
• OEM-compatible compatibility — specifically designed to work with matching Square D OEM load centers and panelboards, helping maintain system integrity and UL-listed protection.
• Versatile application — well-suited for residential panels, commercial panels, and light industrial applications where dependable overcurrent and short-circuit protection is essential.

Ideal use cases

• Upgrading or replacing aging breakers in home electrical panels or commercial load centers where a reliable 150 A protection device is required.
• Feeding large circuits or equipment in light industrial environments where a robust, plug-in solution reduces downtime during maintenance.
• Any scenario needing fast field replacement without rewiring, while preserving precise trip characteristics and system safety.

Technical specifications at a glance

• Manufacturer: Square D
• Part number: HJA261504
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 150 A
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Square D HJA261504 for a dependable, plug-in solution that pairs seamlessly with your existing panelboard or load center. Its precise thermal-magnetic protection, paired with a quick-install plug-in design, makes it a practical, long-lasting choice for securing electrical systems across residential, commercial, and light industrial settings.