Square D HDA36150UJ 150A 3-Pole 600 V Circuit Breaker

Protect demanding three‑phase systems with the Square D HDA36150UJ 150A 3-Pole 600 V Circuit Breaker. This rugged protection device is built to endure busy industrial environments, delivering reliable shutdowns when faults occur and keeping your critical equipment safe.

Key specifications at a glance

• Current rating: 150 A
• Poles: 3 (three‑pole design for true three‑phase protection)
• Voltage rating: 600 V
• Part number: HDA36150UJ

Why this matters

• Three‑pole construction ensures all phases trip together, minimizing unbalanced fault conditions on three‑phase circuits.
• The 600 V rating makes it suitable for higher‑voltage distribution in commercial and light‑industrial panels, expanding your protection capabilities.
• Designed to handle demanding loads—from large motors to feeders—without compromising protection or trip speed.

Ideal use cases

• Motor control circuits in manufacturing, HVAC, conveyors, pumps, and other heavy equipment.
• Main or sub‑feed protection in three‑phase electrical panels serving commercial facilities.
• Replacement or upgrade in existing Square D panels that specify the HDA36150UJ specification.

Installation and compatibility

• Compatible with Square D panels and enclosures designed to accept this model for three‑phase protection.
• Install by a qualified electrician in accordance with applicable codes and safety standards.
• Keep documentation and labeling up to date to ensure reliable future maintenance and inspections.

Compared with smaller or single‑pole breakers, the HDA36150UJ consolidates three‑phase protection into a single, streamlined device, reducing wiring complexity and panel footprint while delivering dependable fault interruption for high‑demand environments. For robust three‑phase protection in industrial settings, the Square D HDA36150UJ 150A 3‑Pole 600 V Circuit Breaker is a capable, reliable choice. Part Number: HDA36150UJ.