Square D HGA36110UH 110A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36110UH 110A 3-Pole 600 V Circuit Breaker — a rugged protection device engineered for three‑phase electrical systems. With a 110 A rating and a 600 V maximum, this breaker is designed to quickly interrupt faults and safeguard wiring, motors, and equipment in demanding commercial and industrial environments. The part number HGA36110UH ensures precise replacement compatibility within compatible Square D panels.

Key advantages that matter in the field

• Three‑pole design for balanced protection: Interruption across all three conductors helps prevent phase imbalances that can damage motors and equipment.
• 110 A continuous rating: Sufficient headroom for typical three‑phase loads while maintaining reliable protection against overloads.
• 600 V voltage rating: Suitable for higher‑voltage distribution and industrial applications, expanding where you can safely deploy this breaker.
• Exact replacement part: Clear identification as HGA36110UH makes sourcing and installation straightforward in existing Square D installations.
• Brand you can trust: Square D (Schneider Electric) is known for durable, reliable electrical protection solutions in demanding environments.

Ideal use cases

• Protect three‑phase motors and feeders in manufacturing lines and processing equipment.
• Serve as a main or sectional protection device in commercial and light industrial panels up to 600 V.
• Replace aging or failed breakers in existing Square D setups to restore reliable fault protection with a familiar form factor.

Practical considerations for installation and safety

• Confirm that your system is within the 600 V AC class and that you’re working with a three‑phase, three‑pole configuration to match the HGA36110UH specification.
• Use the exact part number when ordering to ensure compatibility with your panel’s mounting and electrical characteristics.
• Operate in accordance with standard electrical safety practices and, when in doubt, consult a licensed electrician to verify proper installation and sizing for your load profile.

What problem this solves

By providing targeted interruption for three‑phase circuits, this circuit breaker helps prevent damage from overloads and short circuits, reducing downtime, protecting wiring insulation, and extending the life of connected equipment. It’s a reliable, straightforward solution for professionals who need dependable, readily replaceable protection in high-demand environments.