Square D HGA36110UJ 110A 3-Pole 600 V Circuit Breaker

The Square D HGA36110UJ is a robust three-pole circuit breaker engineered for demanding electrical layouts. With a 110 A current rating and a 600 V maximum, it’s built to protect three-phase feeders and motor circuits in commercial and industrial environments while keeping your power distribution safe and stable. This part, identified by HGA36110UJ, is a trusted solution for teams that value reliable protection without compromising on performance.

Key specifications

• Current rating: 110 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HGA36110UJ
• Brand: Square D

Why this three-pole design matters

• Protects all three phases simultaneously, helping maintain balance in three-phase systems and minimizing the risk of uneven loading.
• Specifically suited for higher voltage, three-phase applications where motor drives, compressors, and industrial equipment demand reliable overload protection.
• Designed to fit Square D panels and enclosures, delivering consistent performance within compatible electrical systems.

Ideal use cases

• Three-phase motor circuits in manufacturing, processing, and packaging lines.
• HVAC and large-capacity equipment feeders that require rapid, coordinated interruption across all phases.
• Industrial control panels and commercial electrical rooms where high-voltage protection is essential.
• Any application where 600 V circuits need solid overcurrent protection and dependable trip characteristics.

How it helps you stay ahead

Choosing the Square D HGA36110UJ means opting for a recognized, durable protection device built to handle the rigors of industrial power distribution. The 110 A rating aligns with demanding loads, while the 3-pole configuration provides comprehensive fault interruption across all phases, reducing the potential for damaging fault conditions. In practical terms, this translates to less downtime, better equipment protection, and clearer protection coordination in your 600 V systems.

Installation and compatibility notes

Designed for use in appropriate Square D panels and enclosures, this part number—HGA36110UJ—serves as a straightforward replacement or upgrade for compatible 3-phase, 600 V circuits. When integrating into your electrical system, verify panel compatibility, follow local electrical codes, and consult a licensed electrician if needed to ensure proper mounting torque and secure connections.

Buying guidance

For projects requiring reliable 3-pole protection at 110 A with a 600 V rating, the Square D HGA36110UJ circuit breaker is a precise, purpose-built choice. Its specification—110A, 3-pole, 600 V—matches a range of industrial and commercial applications where durable, coordinated phase protection is essential. Use the exact part number HGA36110UJ to locate the right unit quickly and ensure you’re getting a genuine Square D product.