Square D HDA261001 - 100 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HDA261001—a 100 A, 600 V, 2-pole plug-in molded case circuit breaker designed to deliver fast, reliable branch circuit protection in panelboards and loadcenters. Crafted for dependable overcurrent and short‑circuit protection, this unit is a practical, high‑performance solution for today’s electrical environments.

• Lightning-fast plug-in installation—a quick connection design minimizes downtime during upgrades, replacements, or maintenance, keeping your panel running smoothly.
• Thermal-magnetic trip unit—combines thermal overload protection with magnetic instantaneous response for stable, repeatable protection across varying loads and fault conditions.
• OEM panel compatibility—specifically engineered to integrate with matching Square D load centers and panelboards for a reliable, seamless fit.
• Versatile, sector-spanning use—tailored for residential, commercial, and light industrial applications where dependable protection matters most.
• Robust 2-pole design with 100 A rating and 600 V capacity—efficiently protects two hot legs and shared neutral configurations in a compact molded‑case footprint.

Designed to protect branch circuits from overcurrent and short circuits, the HDA261001 helps prevent damage to wiring, devices, and equipment. Its plug-in format minimizes panel downtime during maintenance or upgrades, while the thermal-magnetic trip mechanism provides consistent protection even as loads fluctuate. This makes it an ideal choice for panelboards and loadcenters where fast service, reliability, and compatibility are essential.

Technical specifications at a glance

• Manufacturer: Square D
• Part Number: HDA261001
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 600 V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Who benefits most from the Square D HDA261001? electrical professionals upgrading or expanding panelboards, facility managers overseeing commercial or light industrial installs, and homeowners or contractors prioritizing rapid replacements with OEM‑tested compatibility. If you’re rebuilding a panel, replacing a failed breaker, or consolidating protection across multiple circuits, this 2‑pole, 100 A unit delivers the right balance of capacity, speed, and reliability. In short, it’s a practical, mission‑critical component that helps keep electrical systems safe and up to code, with installation and operation you can trust.