Square D HDA260402 - 40 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HDA260402 — a rugged, reliable 40 A, 600 V, 2-pole plug-in molded case circuit breaker designed to safeguard your electrical system. Built for quick, tool-free installation and easy replacement, this unit keeps your panelboards and load centers protected without slowing you down.

Why this 2-pole plug-in breaker stands out

• Fast plug-in connection enables rapid installation and straightforward swaps, minimizing downtime during upgrades or maintenance.
• Thermal-magnetic trip unit delivers stable, repeatable overcurrent and short-circuit protection, helping prevent nuisance trips while reliably shutting down fault conditions.
• OEM-compatible design is engineered to be compatible with matching Square D OEM load centers and panelboards, ensuring a seamless, plug-and-play fit.
• Versatile safeguarding suitable for residential, commercial, and light industrial applications where dependable branch circuit protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part number: HDA260402
• 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

Ideal uses and practical benefits

• Protects feeders, outlet circuits, and equipment in panelboards and load centers where 40 A, 600 V circuits are common.
• Perfect for upgrades in existing installations that require a quick-to-install, reliable plug-in solution with OEM compatibility.
• Well-suited for electrical layouts in light commercial spaces and select industrial environments that rely on prompt protection against short circuits and overloads.

What to expect in everyday use

With the HDA260402, you gain a dependable protection partner that reduces service downtime through fast replacements and ensures consistent trip performance. Because it’s designed to match OEM panelboards, you can swap in with confidence, knowing the fit, interrupting ratings, and trip characteristics align with your system’s design. This translates to predictable protection, lower maintenance headaches, and smoother electrical operations across your facility.

Whether you’re upgrading an aging panel, performing routine maintenance, or designing a new installation, the Square D HDA260402 provides the sturdy protection your circuits require without complicating installation. This is protection you can trust, delivered in a plug-in package that simplifies rapid, reliable service for years to come.