Square D HGA36100UD 100A 3-Pole 600 V Circuit Breaker Potential Transformer

Meet the Square D HGA36100UD, a purpose-built protection device designed for demanding three‑phase power systems. With a 100 A current rating, a three‑pole configuration, and a 600 V maximum rating, this circuit breaker is engineered to shield critical equipment, feeders, and panels from overloads and short circuits while fitting seamlessly into industrial switchgear footprints.

• Current rating: 100 A — capable of handling typical industrial feeder loads with reliable protection.
• Poles: 3 (three‑pole) — balanced protection across all phases for stable, synchronized operation in three‑phase circuits.
• Voltage rating: 600 V — suitable for standard industrial distribution and equipment protection in commercial and manufacturing environments.
• Potential transformer compatibility: designed to integrate with potential transformer networks for accurate metering and protection coordination, helping streamline sensing, relays, and protection schemes.
• Part number: HGA36100UD — a Square D component trusted in electrical distribution for consistent performance and dependable protection.

Designed for use in panelboards, switchgear, and motor control centers, the HGA36100UD delivers robust interruption capability while aligning with practical wiring and protection strategies. It’s an ideal choice for facilities that require reliable three‑phase protection with a clear path to measurement and monitoring through potential transformer interfaces.

Use scenarios include industrial automation rooms, data center power distribution, and manufacturing environments where three‑phase loads demand precise protection, reliable tripping, and scalable sensing. By selecting the HGA36100UD, you’re choosing a proven Square D solution that supports safe, continuous operation and easier protection coordination across your electrical infrastructure.