Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Square D's HJA36150U44XAABCSJ 150A 3-Pole 600 V Circuit Breaker is engineered to protect three-phase power systems with precision and reliability. Designed for industrial and commercial environments, this unit delivers robust interruption capability while maintaining compatibility with Square D distribution panels.
With a 3-pole design, this circuit breaker provides synchronized protection across all three phases, helping prevent phase imbalance that can damage motors and equipment. The 150 A current rating is ideal for feeders and branch circuits that require strong, stable protection in demanding installations.
Best suited for three-phase motor feeders, HVAC equipment, pumps, conveyors, and other industrial loads where reliable protection and straightforward panel integration are essential. This breaker fits within Square D panel boards and enclosures designed for three-pole devices, supporting robust system uptime.
Square D is known for durable protection devices that integrate with modern panel boards and meet industry standards. This model pairs a 150 A rating with a 3-pole configuration to support reliable protection for three-phase systems and to serve as a dependable part of Square D installations.
Contact sales@ampstate.com
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General feedback we often hear from customers purchasing industrial electrical parts.
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Quick confirmation on details and a smooth ordering process.
Purchasing · Fast turnaround
Came well packed. Labeling made receiving and staging easy.
Warehouse · Receiving
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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