Square D HDA260502 - 50 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

Engineered by Square D, the HDA260502 is a 50A, 600V, 2-pole plug-in molded‑case circuit breaker designed to safeguard branch circuits in panelboards and load centers. Its fast plug-in connection simplifies installation and rapid replacement, helping you minimize downtime without compromising reliability.

Why this breaker stands out

• Plug-in installation enables quick, hassle-free mounting and field replacement, reducing labor time and service disruption.
• Thermal-magnetic trip unit delivers stable, repeatable protection—sensitive to both overloads and short circuits for dependable performance under demanding conditions.
• 2-pole design provides coordinated, common-trip protection, enhancing safety for multi-wire branch circuits.
• 50A, 600V rating aligns with a broad range of residential, commercial, and light industrial loads while maintaining robust protection margins.
• OEM load center compatibility is built to work with matching Square D panelboards and load centers, ensuring fit, function, and reliable coordination with your system.

Technical snapshot

• Manufacturer: Square D
• Part number: HDA260502
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 50A
• Voltage rating: 600V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Use the HDA260502 in new panelboard or load center deployments where fast serviceability matters—think service upgrades, equipment room retrofits, or multi‑room commercial installations. It’s well-suited for residential feeders, light commercial lighting and receptacle circuits, and small industrial control panels that require reliable, predictable protection without sacrificing ease of maintenance.

How it compares to other options

Unlike breakers that require more time-consuming replacement methods, the plug-in design of this unit minimizes downtime and simplifies field service. The combination of a thermal mechanism for overload protection and a magnetic element for short-circuit response offers a balanced protection profile that stays within expected performance across varying temperatures and loads, reducing nuisance trips while maintaining safety.

Practical tips for installation and use

• Ensure the panelboard or load center is compatible with this plug-in unit to maintain proper coordination with adjacent protective devices.
• Before installation, power down the system and verify that the bus connectors align fully with the breaker to secure a solid plug-in connection.
• Periodically inspect the breaker during maintenance cycles for signs of wear or arcing to sustain reliable protection over time.
• Match the 50A rating to your branch-circuit load calculations to optimize protection without unnecessary disconnection.

For dependable branch-circuit protection that prioritizes both rapid serviceability and consistent performance, the Square D HDA260502 50A, 600V, 2-pole plug-in molded case circuit breaker delivers clear value—and peace of mind—for residential, commercial, and light industrial environments.