Square D HJA36150UAYP 150A 3-Pole 600 V Circuit Breaker

The Square D HJA36150UAYP 150A 3-Pole 600V Circuit Breaker is a robust, three-phase protection device designed to safeguard heavy-load electrical systems. With a 150 A current rating and a 600 V voltage limit, this breaker provides reliable disconnection for demanding industrial and commercial applications. Part Number HJA36150UAYP identifies this specific unit, ensuring precise replacement and compatibility within compatible Square D panel environments.

Key specifications

• Brand and model: Square D HJA36150UAYP
• Current rating: 150 A
• Poles: 3 (three-pole design)
• Voltage rating: 600 V
• Configuration: Circuit breaker for 3-phase distribution

Why this model stands out

• Three-pole design tailored for 3-phase power systems, making it ideal for industrial motors, pumps, and other equipment that rely on balanced three-phase supply.
• Square D reliability, crafted for steady protection in environments where consistent electrical protection matters most.
• Clear part identification (HJA36150UAYP) simplifies maintenance, replacements, and panel upgrades, reducing downtime during service work.
• Built to handle higher-load feeders while maintaining precise interruption when faults occur, helping protect wiring and connected equipment.

Ideal use cases

• Upgrading or replacing protection in commercial or light industrial panelboards that operate on three-phase 600 V systems.
• Protecting heavy machinery, conveyors, air compressors, and large motors fed by 3-phase networks.
• Replacement in existing installations where a Square D 150 A, 3-pole, 600 V device is required for proper circuit protection and panel consistency.
• Applications where reliable, immediate disconnection of fault current is essential to minimize equipment damage and downtime.

Installation and compatibility notes

• Ensure the panel or enclosure is designed to accept a 3-pole, 600 V circuit breaker and that the form factor aligns with the HJA36150UAYP specification.
• Professional installation is recommended to verify correct mounting, electrical connections, and labeling in accordance with local codes and safety standards.
• Keep the part number (HJA36150UAYP) and packaging documentation handy for future maintenance or warranty considerations.

When you need dependable three-phase protection with a clear specification for 150 A at 600 V, the Square D HJA36150UAYP delivers consistent performance and straightforward, industry-standard compatibility for your critical electrical infrastructure.