Square D HRA36100U31XAABC 100A 600 V Circuit Breaker

Square D HRA36100U31XAABC is a reliable 100-amp, 600-volt circuit breaker designed to protect your electrical distribution system from overloads and short circuits. This Square D unit—identified by part number HRA36100U31XAABC—delivers durable performance for commercial, industrial, and large-residential applications, helping you maintain safe, continuous operation.

Key specifications

• Current rating: 100 A
• Voltage rating: 600 V
• Part number: HRA36100U31XAABC
• Brand: Square D

Why this breaker stands out

• Precise protection: designed to trip and interrupt fault currents within the rated system, minimizing damage to downstream equipment.
• Robust, panel-friendly construction: built to withstand the demands of commercial and industrial environments and fit standard Square D panel architectures.
• Exact replacement confidence: using the specified part number ensures compatibility with existing Square D installations and reduces downtime during maintenance.

Ideal use cases

• New installations in commercial buildings, data centers, and light manufacturing lines needing dependable 100 A protection.
• Upgrades or replacements in existing Square D distribution panels where a precise 100 A, 600 V rating is required.
• Spare inventory for service teams to quickly swap in a trusted, OEM-provided breaker when faults occur.

Installation and care tips

• Ensure the device is installed in a compatible Square D panel or enclosure designed for HRA-series or equivalent form factor components.
• Verify the circuit load does not exceed 100 A and that wiring and terminations meet local electrical codes and standards.
• Replace only with the same part number to maintain system protection ratings and UL/CSA compliance where applicable.

With the Square D name behind it, the HRA36100U31XAABC circuit breaker provides dependable protection, straightforward replacement, and long-term reliability for your electrical distribution needs.