Square D HGA260904AABCSJ 260904A 2-Pole 600 V Circuit Breaker

Square D HGA260904AABCSJ is a two-pole, 600 V circuit breaker built for reliable overcurrent protection in commercial and industrial electrical panels. With the part number HGA260904AABCSJ, this unit is designed for applications that require two hot lines to be protected by a single device, delivering quick response to overcurrent and helping safeguard equipment and personnel.

What this part does

As a two-pole circuit breaker, it disconnects both live conductors in a 240 V or higher utility system when electrical faults occur. This coordinated protection reduces shock risk and minimizes damage to wiring and connected equipment by interrupting fault current efficiently and consistently.

Key specifications at a glance

• Part number: HGA260904AABCSJ
• Poles: 2
• Voltage rating: 600 V
• Product family: Square D HGA series

Ideal use cases

This 2-pole, 600 V breaker is well-suited for protecting 240 V circuits in commercial or light industrial installations. Use it to safeguard motor loads, HVAC equipment, pumps, lighting panels, and other dual-hot-line systems within Square D-compatible panels that accept HGA-type devices. It’s an exact-fit replacement for corresponding Square D hardware, helping you maintain panel labeling, coordination, and established protection schemes.

Why choose this breaker

Choosing the HGA260904AABCSJ provides a precise match for systems configured around the HGA family, ensuring compatibility with your existing Square D infrastructure. Its two-pole design enables synchronized disconnection of both conductors, preserving circuit integrity and simplifying maintenance in multi-line circuits.

Installation and compatibility guidance

Before installation, confirm that your panel accepts HGA-series breakers and that the replacement matches the existing protective role (two-pole, 600 V rating). When replacing worn or damaged units, power down the panel, verify correct placement in the intended slot, and secure all connections to manufacturer-tightened specifications. Use only the exact part number—HGA260904AABCSJ—for replacement to preserve system coordination and safety.

Availability and purchase confidence

This description reflects a genuine Square D component: 2-pole, 600 V circuit protection with part number HGA260904AABCSJ. It’s designed for installers and equipment operators seeking a reliable, compatible solution for Square D panels that require the HGA-series format.