Square D HJL36100U44XAABCSH 100A 3-Pole 600 V Circuit Breaker

Engineered by Square D, the HJL36100U44XAABCSH is a rugged 100 A, 3-pole circuit breaker built for demanding three-phase distribution up to 600 V. This unit delivers dependable protection for motors, feeders, and equipment in industrial and commercial settings, while staying compact enough to fit typical power panels.

• Current rating: 100 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HJL36100U44XAABCSH
• Brand: Square D

Who benefits from this 3-pole 600 V circuit breaker?

Facilities with three-phase power setups, including manufacturing lines, HVAC systems, and heavy machinery, will appreciate the reliable protection this breaker provides. The 3-pole design ensures balanced protection across all three phases, helping prevent equipment damage from overloads and short circuits.

• Balanced three-phase protection: ideal for motors and feeders in 3-phase systems
• Clear 100 A capacity: suits mid-range loads without frequent nuisance trips
• 600 V maximum rating: suitable for industrial and commercial distribution networks

Practical considerations and use cases

• Compatibility: designed for systems requiring a 3-pole, 100 A breaker operating up to 600 V
• Installation note: ensure correct placement within compatible panels and observe all electrical safety standards
• Maintenance: inspect periodically for signs of wear and trip history to determine replacement needs

Practical use scenarios include protecting a 3-phase distribution feed to a motor control center, safeguarding a 3-phase feeder for mid-size industrial lines, or distributing power in commercial equipment rooms where 600 V systems are standard. The Square D HJL36100U44XAABCSH provides reliable, phase-balanced protection that helps keep critical equipment running smoothly and safely.