Square D HGA260452 - 45 A, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D HGA260452 is a 45A, 2-pole plug-in molded case circuit breaker designed to safeguard branch circuits in panelboards and load centers. Built for quick installs and reliable protection, it delivers dependable overcurrent and short-circuit protection when you need it most. Available from AmpState, your trusted source for OEM electrical components.

Key advantages that matter in the field

• Fast plug-in connection enables rapid installation and straightforward replacement, minimizing downtime during panel servicing or upgrades.
• Thermal-magnetic trip unit blends thermal overload protection with magnetic short-circuit response for stable, repeatable protection across a range of loads and conditions.
• 2-pole design with common trip protects both live conductors together, which is essential for 120/240V circuits and safer, guaranteed shutoff during faults.
• OEM panel compatibility specifically designed to integrate with matching Square D load centers and panelboards for dependable operation and simplified stocking.
• Versatile applications well-suited for residential, commercial, and light industrial environments where reliable circuit protection is critical.

Technical snapshot

Manufacturer: Square D

Part number: HGA260452

Type: Thermal-magnetic molded case circuit breaker

Amperage rating: 45 A

Number of poles: 2

Mounting style: Plug-in

Application: Branch circuit overcurrent and short-circuit protection

Practical uses and scenarios

In a busy service environment, this breaker helps you quickly restore power after routine maintenance or when expanding a panel. It’s ideal for protecting critical branch circuits with higher current needs, such as heating, water heating, or other two-pole loads that require synchronized protection. By choosing a 45 A, 2-pole unit from the same OEM family, you ensure consistent electrical characteristics and coordinated protection across the panel.

Who benefits most

• Electrical contractors performing panel upgrades or refurbishments in homes, offices, or light industrial facilities
• Facility managers maintaining reliable load centers and panelboards with predictable trip behavior
• HVAC installers and electricians wiring dual-leg circuits that demand simultaneous disconnection

Tips for installation and best results

Pair this 45A, 2-pole plug-in breaker with the corresponding Square D panelboard or load center to ensure full compatibility and optimal operation. Before installation, verify the panel’s specifications for plug-in devices and adhere to local electrical codes, including proper torque on the terminal screws and secure seating in the bus slot. The thermal-magnetic design provides reliable protection across varying temperatures, so you can count on consistent performance in kitchens, mechanical rooms, service areas, and other demanding environments.