Square D HDA260501 - 50 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HDA260501 — a reliable 50A, 600V, 2-pole plug-in molded case circuit breaker designed to safeguard your electrical system with precision. Built to deliver dependable branch-circuit overcurrent and short-circuit protection, it’s engineered for seamless integration into panelboards and load centers.

• Fast plug-in connection: quick installation and effortless replacements minimize downtime during upgrades or repairs.
• Thermal-magnetic trip unit: combines precise thermal overload sensing with magnetic instantaneous protection for stable, repeatable performance across changing loads and temperatures.
• OEM compatibility: designed to fit and work with matching Square D load centers and panelboards, ensuring coordinated protection and reliable operation.
• Versatile applications: suitable for residential, commercial, and light industrial environments where dependable branch circuit protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part Number: HDA260501
• 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

Why this breaker stands out

Unlike generic substitutes, the HDA260501 is purpose-built for Square D panel systems, ensuring precise coordination with your existing protection scheme. The thermal-magnetic trip mechanism acts quickly to interrupt fault currents, while preventing unnecessary trips during normal operation. The plug-in design streamlines installation in compatible panelboards and load centers, helping technicians complete upgrading or servicing tasks in less time.

Ideal use cases

• Upgrading residential main panels or subpanels where 50A, 600V protection is required
• Replacing a failed 2-pole breaker in a Square D load center to restore circuit protection
• Commercial light-duty power distribution where reliable overcurrent protection is critical

Practical guidance and benefits

• Helps prevent electrical fires and equipment damage by rapidly interrupting excessive currents
• Designed for durability in everyday electrical environments with consistent protection performance
• Facilitates quick diagnostics and service with a clearly defined OEM-compatible form factor
• Part of a cohesive protection strategy when paired with compatible Square D panelboards and accessories

For electricians and facility managers seeking dependable, plug-in circuit protection that aligns with existing Square D infrastructure, the HDA260501 delivers trusted performance, streamlined installation, and targeted protection where it matters most.