Square D HGA36100UAYP 100A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36100UAYP 100A 3-Pole 600V Circuit Breaker—the trusted safeguard for three-phase electrical systems. Engineered for robust protection, this 100-amp device interrupts fault currents quickly to shield wiring, motors, and equipment from overloads and short circuits.

With a 3-pole configuration, it effectively clears faults across all phases, helping maintain a safe, stable power distribution in industrial panels and commercial setups operating up to 600 V. Whether you’re protecting a motor drive, a three-phase feeder, or a critical circuit in a control panel, this breaker provides reliable, predictable protection when it matters most.

The part number HGA36100UAYP uniquely identifies this unit within the Square D lineup, ensuring seamless replacement and consistent performance in Square D panels and protection schemes. When you need a durable, precisely specified solution for high-demand three-phase circuits, this 100A, 3-pole breaker delivers the reliability you expect from Square D.

Specs at a glance

• Current rating: 100 A
• Poles: 3
• Voltage rating: 600 V
• Brand: Square D
• Part number: HGA36100UAYP

Ideal use cases include protecting three-phase motors, conveyors, pumps, and feeders in commercial or industrial environments, as well as panelboard installations where a clear, dependable protection strategy is essential. This breaker is well-suited for replacing aging units or integrating into new builds that require a matching Square D protection suite for consistent performance and straightforward maintenance.

Installation notes: confirm compatibility with your panel’s bus and mounting style, and ensure proper electrical connections and torque during installation for optimal performance and safety.