Square D HJA36150UDYP 150A 3-Pole 600 V Circuit Breaker

Meet the Square D HJA36150UDYP 150A 3-Pole 600V Circuit Breaker—the robust three-phase protection your industrial or commercial electrical system demands. With a 150 A current rating and a 600 V maximum, this part is built to safely interrupt faults and protect downstream equipment in demanding environments.

Key benefits that matter in real-world use:

• Three-pole configuration ensures all three phases trip together, preventing phase imbalances and reducing the risk of equipment damage during a fault.
• 150 A capacity supports substantial loads typical of motors, conveyors, compressors, and large HVAC equipment found in manufacturing floors and commercial facilities.
• 600 V rating makes it compatible with higher-voltage distribution setups, helping you consolidate protection in a single, reliable device.
• Durable protection technology designed for repeated operation in challenging environments, delivering dependable interruption when faults occur.

Ideal use scenarios:

• Protection for 3-phase motors in machining centers, pumps, and material-handling equipment within industrial spaces.
• Feeding large equipment racks or subpanels where reliable, synchronized tripping across all phases is essential.
• Replacement part for compatible Square D panels, helping you maintain a cohesive and dependable electrical distribution system.

Specifications at a glance:

• Part number: HJA36150UDYP
• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V

Practical installation notes:

• Ensure this exact model matches your panel’s bus configuration and mounting requirements before installation.
• Verify conductor sizes and torque specs align with local electrical codes and manufacturer guidance.
• Check enclosure and space allowances to accommodate a 3-pole device of this size for safe operation and maintenance access.

Choose the Square D HJA36150UDYP when you need reliable three-phase protection that aligns with established electrical environments. This 150A, 3-pole, 600V circuit breaker is purpose-built to safeguard your equipment, minimize downtime, and support consistent, safe operation of your power distribution system.