Square D HDA36110SH 110A 3-Pole 600 V Circuit Breaker

Square D HDA36110SH 110A 3-Pole 600 V Circuit Breaker is a robust overcurrent protection solution designed for three-phase electrical systems. With a 110 amp rating and a 3-pole configuration, it ensures coordinated interruption across all phases for circuits operating up to 600 volts, helping protect equipment and maintain safe, reliable power delivery.

Key specifications at a glance:

• Part Number: HDA36110SH
• Current Rating: 110 A
• Poles: 3
• Voltage Rating: 600 V

Why this 3-Pole 600 V breaker matters for your setup

In three-phase power systems, a fault on any one phase can threaten equipment and safety. The 3-pole design trips all phases together, reducing the risk of phase imbalance, minimizing damage to motors, drives, and control circuits, and helping you meet safety and reliability standards.

Ideal applications

• Industrial and commercial facilities with three-phase distribution up to 600 V
• Motor control centers, panelboards, and feeders that require reliable three-phase protection
• Upgrade projects where a Square D compatible part number is preferred for warranty, serviceability, and stock alignment

What makes it a solid choice

With its established Square D lineage, the HDA36110SH provides dependable overcurrent protection aligned with common electrical installations. The 110 A rating is well-suited for mid-range loads, while the 3-pole configuration ensures synchronized protection across all phases, helping you prevent unbalanced faults and enhancing system longevity.

Practical considerations for purchase and installation

• Ensure compatibility by matching the Part Number HDA36110SH with your panel or enclosure specifications
• Plan load calculations to confirm 110 A is appropriate for your circuits and complies with local electrical codes
• Follow proper mounting and connection guidelines to maintain reliable tripping performance and electrical contact