Square D HRA36100U31XAABCSH 100A 3-Pole 600 V Circuit Breaker

Meet the Square D HRA36100U31XAABCSH, a robust 100 A, 3‑pole circuit breaker designed for three‑phase electrical systems up to 600 V. This part—HRA36100U31XAABCSH—delivers reliable interruption and dependable protection for feeders, motors, and distribution circuits in demanding commercial and industrial environments.

Key specifications

• Part Number: HRA36100U31XAABCSH
• Current Rating: 100 A
• Poles: 3
• Voltage Rating: 600 V

Why this 3-pole breaker matters

For three‑phase systems, a 3‑pole breaker protects all phases simultaneously, ensuring balanced protection across your electrical distribution. The 100 A rating makes it well-suited for protecting feeders and motors with substantial current requirements, helping prevent damage from overloads and short circuits while supporting safe, controlled shutdowns during faults.

Ideal applications

• Three‑phase motor circuits in manufacturing equipment and industrial installations
• Power distribution feeders in commercial electrical rooms
• HVAC and other large three‑phase loads in large facilities
• Panel upgrades or replacements within Square D systems

What sets this apart

Designed to align with Square D panels and the broader HRA Series, this breaker offers consistent performance and straightforward integration within existing Square D distributions. Its 600 V rating provides headroom for evolving load profiles, helping facilities plan for future demand without compromising protection.

Installation and safety notes

Verify panel compatibility with the HRA family and follow all local electrical codes and manufacturer guidelines during installation. When replacing an existing unit, ensure correct identification of line and load wiring and secure seating within the panel to maintain reliable protection.

Purchase with confidence

Investing in the Square D HRA36100U31XAABCSH means prioritizing dependable protection for your critical infrastructure. Add this 3‑pole, 100 A circuit breaker to your cart to safeguard your three‑phase circuits and support reliable uptime across your operation.