Square D HGA36110UOYP 110A 3-Pole 600 V Circuit Breaker

Square D HGA36110UOYP is a rugged, three-pole circuit breaker rated at 110 A with a maximum voltage of 600 V. Built for three-phase power protection, this unit delivers reliable, consistent interruption to keep your electrical distribution safe and productive.

Key specifications

• Current rating: 110 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HGA36110UOYP
• Brand: Square D

Why this model stands out

The 3-pole design ensures synchronized disconnection across all phases, which is essential for maintaining balance in three-phase systems and preventing equipment damage from phase faults. As part of the Square D lineup, this breaker combines robust construction with dependable performance in demanding environments where high-current protection is a must.

Ideal use cases

• Three-phase feeders in industrial and commercial electrical distributions
• Motor circuits and equipment plants that require reliable phase protection
• HVAC systems, pumps, and conveyors that run on 3-phase power

Practical installation and application tips

Before installation, verify that your panel and wiring are compatible with a 3-pole, 600 V device and that conductor terminations are within safe ampacity limits. Ensure secure mounting and proper torque on terminals to maintain reliable electrical contact and protection.

The Square D HGA36110UOYP 110A 3-Pole 600 V circuit breaker is designed to deliver decisive, dependable protection for three-phase systems, helping minimize downtime and safeguard critical equipment.