Square D HDA36150U44XAABCSJ 150A 600 V Circuit Breaker

Square D HDA36150U44XAABCSJ is a rugged 150 A, 600 V circuit breaker engineered to protect heavy-load feeders and panelboards in industrial and commercial environments.

With a 150 A current rating and a 600 V maximum, this unit handles demanding circuits while providing reliable interruption during fault events. The exact part number HDA36150U44XAABCSJ ensures precise compatibility with Square D distribution systems, making replacement straightforward and maintenance-efficient.

Key advantages

• Exact replacement compatibility for Square D panels and distribution gear that specify this part number.
• High-load protection suitable for feeders and main circuits in facilities with substantial power demands.
• 600 V maximum rating appropriate for a wide range of industrial and commercial power systems.
• Reliable interruption to guard equipment and reduce downtime in fault conditions.
• Clear part identification supports efficient maintenance, inventory management, and future replacements.

Ideal use cases

• Industrial facilities with heavy electrical loads that require robust feeder protection.
• Commercial buildings and light manufacturing setups needing dependable main-circuit protection.
• Retrofits or replacements where maintaining compatibility with Square D panels is critical.
• Sub-feed protection for large machinery and critical manufacturing equipment within safe operating limits.

Installation and compatibility

Ensure the panel or distribution board is designed to accept the HDA36150U44XAABCSJ part. Installation and replacement should be performed by a licensed electrician, following all applicable safety standards and manufacturer guidelines. Keeping the exact part number on hand simplifies procurement, maintenance, and future serviceability.

In summary, the Square D HDA36150U44XAABCSJ 150 A, 600 V circuit breaker delivers high-capacity, reliable protection for demanding power systems, with precise compatibility and streamlined maintenance that helps minimize downtime and keep critical operations running smoothly.