Square D HDA261101 110A 2P 600V Circuit Breaker, Plug-On | AmpState

Meet the Square D HDA261101—a plug-on circuit breaker engineered to protect your panelboards, load centers, and electrical distribution networks with precision and reliability. With a robust 110 A capacity, this 2‑pole device is designed to handle demanding commercial and light industrial circuits while maintaining a safe, compliant profile in your electrical system.

• Plug-On design for fast, tool-efficient installation that minimizes downtime during panel servicing or replacements.
• 2-pole configuration delivers balanced protection across both lines, simplifying wiring and improving fault isolation.
• 110 A ampacity provides sturdy overload protection for mid-range circuits common in commercial applications.
• 600 V rating covers a wide range of distribution needs, ensuring compatibility with many panelboards and load centers.
• Part number alignment ideal for replacement projects and stocking spares that keep your BOM aligned to the original specification.
• Brand assurance from Square D, with availability through AmpState for reliable sourcing.

Ideal use cases and practical scenarios

This breaker is well-suited for replacement projects where maintaining the original part number is critical to system compatibility and documentation. It’s a practical spare for facilities teams who need fast, reliable replacements to minimize downtime in electrical distribution. Its plug-on design simplifies upgrades in existing panelboards and load centers without extensive re-wiring.

Key specifications at a glance

• Part Number: HDA261101
• Amperage: 110 A
• Poles: 2
• Voltage: 600 V
• Type: Plug-On
• Availability: Available from AmpState

Installation and compatibility tips

To ensure a seamless fit, verify that your equipment requires a 2‑pole, 110 A, 600 V plug-on circuit breaker with the HDA261101 designation. Maintain BOM integrity by stocking this exact part to match the original installation. If you’re uncertain about fit or compatibility, AmpState offers support to confirm the right match and help you avoid costly downtime.