Square D HGA36100U44XAABCSDYP 1000A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36100U44XAABCSDYP — a high-capacity, 3-pole circuit breaker designed for demanding 3-phase power distribution. With a 1000 A rating and a 600 V maximum, this unit delivers dependable overcurrent protection for large feeders, motor drives, and critical industrial circuits where uptime matters.

Key Benefits

• High-current protection — 1000 A rating supports heavy loads and substantial motor loads without frequent nuisance trips.
• Three-pole configuration — optimized for balanced 3-phase systems, enhancing protection coordination and safety across all phases.
• 600 V rating — suitable for mid- to high-voltage distribution in commercial and industrial environments.
• Durable, field-ready construction — built to withstand the rigors of panel enclosures and routine switching in demanding settings.
• Precise protection — designed to rapidly isolate faults, safeguarding downstream equipment and reducing downtime.

What makes this model unique

The HGA36100U44XAABCSDYP belongs to Square D’s robust HGA family, combining dependable mechanical integrity with a configuration specifically tuned for high-current, three-phase service. Its exact part number encodes a precise blend of poles, voltage rating, and mounting compatibility, ensuring you’re selecting a device that aligns with your panel and protection strategy. If your installation requires a 3-pole, 600 V circuit breaker capable of handling 1000 A, this unit offers a reliable, field-verified solution.

Ideal Use Cases

• Industrial facilities with large motors, presses, or compressors that demand steady, high-current protection.
• Data center power distribution where robust 3P/600V protection supports uptime and equipment safety.
• Power distribution panels and switchgear feeding high-current feeders in commercial environments.

Specifications

• Current rating: 1000 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HGA36100U44XAABCSDYP
• Brand: Square D

Installation and Safety Tips

Install and service this breaker in accordance with local electrical codes and the National Electrical Code (NEC). Ensure the panel or equipment enclosure is rated for 600 V and appropriate for 1000 A protection. Always de-energize and verify zero-energy before servicing, and follow lockout/tagout procedures. Use the right torque specs and mounting practices to ensure secure, reliable operation in your distribution system.