Square D HGA260404 - 40 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D HGA260404 is a dependable, plug‑in molded case circuit breaker designed to safeguard electrical systems in panelboards and loadcenters. With a robust 40 A rating and a 600 V capacity, this 2‑pole device delivers reliable overcurrent and short‑circuit protection where it matters most. Built by Square D, it’s engineered for easy installation and long‑lasting performance in a variety of settings—from homes to light commercial spaces.

• 40A amperage rating provides precise protection for branch circuits without unnecessary tripping.
• 600V voltage rating supports a wide range of electrical systems, ensuring compatibility in many installations.
• 2‑pole design protects both conductors and provides coordinated protection for multi‑wire circuits.
• Plug‑in molded case construction offers durable, field‑replaceable protection with a quick, tool‑free installation experience.
• Thermal‑magnetic trip unit delivers stable, repeatable protection against overloads and short circuits, reducing nuisance trips while maintaining safety.
• Fast plug‑in connection enables rapid installation and straightforward replacement in compatible panelboards and loadcenters.
• OEM loadcenter and panelboard compatibility ensures seamless integration with matching Square D equipment for reliable protection and system coordination.
• Versatile application ideal for residential, commercial, and light industrial environments where dependable branch circuit protection is essential.

Technical specifications at a glance

• Manufacturer: Square D
• Part number: HGA260404
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage rating: 40 A
• Voltage rating: 600 V
• Number of poles: 2
• Mounting style: Plug‑in
• Application: Branch circuit overcurrent and short‑circuit protection

What makes the HGA260404 stand out is how quickly you can install it without sacrificing safety or accuracy. The plug‑in design minimizes downtime during upgrades, replacements, or routine maintenance, so projects stay on schedule whether you’re wiring a new panelboard in a commercial space or replacing a failed breaker in a residential panel. The thermal‑magnetic trip unit provides dependable protection across a range of fault conditions, delivering a consistent response that electrical professionals can trust over years of service.

Who should consider this breaker? Electrical contractors, facilities managers, and maintenance teams who rely on Square D gear for compatibility and performance will find the HGA260404 a natural fit. It’s particularly well suited for installations where OEM panelboards or loadcenters require exact form, fit, and electrical characteristics to maintain system coordination and protective sequencing.

Practical use cases and benefits

• Upgrading or stocking panelboards in light commercial spaces where a 40 A, 2‑pole protection is needed for branch circuits.
• Replacing a worn or failed breaker in OEM Square D panels with a plug‑in unit designed for fast field service.
• Configuring residential or small‑to‑mid‑sized commercial electrical setups that require reliable short‑circuit protection at voltages up to 600 V.
• Ensuring consistent protection across multiple panelboard locations by sticking with a matching Square D family for drive‑in and plug‑in compatibility.

In short, the Square D HGA260404 delivers precise, durable protection with installation ease that reduces downtime and supports reliable electrical performance across a range of environments. When you choose this 40 A, 600 V, 2‑pole plug‑in breaker, you’re investing in a proven solution that aligns with Square D’s engineering standards and integrates smoothly with compatible loadcenters and panelboards—trusted protection that your circuits can depend on.