Square D HGA36150SNYP 150A 3-Pole 600 V Circuit Breaker

The Square D HGA36150SNYP is a robust circuit breaker designed for dependable three-phase protection in demanding electrical environments. With a 150 A current rating, 3 poles, and a 600 V maximum rating, this device delivers reliable overcurrent protection for critical feeders and equipment in industrial and commercial power systems.

Part Number: HGA36150SNYP. This 3-pole, 600 V circuit breaker ensures all three phases disconnect together on fault, safeguarding motors, drives, and heavy loads while simplifying panel layouts and maintenance in three-phase installations.

• Current rating: 150 A
• Poles: 3-pole
• Voltage rating: 600 V
• Part number: HGA36150SNYP

Who benefits from this breaker

Ideal for facilities with three-phase power distribution, including manufacturing floors, large commercial buildings, HVAC systems, and data centers where consistent, comprehensive protection across all phases is essential for uptime and equipment longevity.

Why this design matters

A true three-pole design interrupts all phases simultaneously, reducing the risk of partial energization and phase-to-phase faults that can damage motors and sensitive electrical equipment. By providing coordinated protection, this breaker helps minimize downtime and supports safer, more reliable electrical operation in everyday workflows.

Practical usage and installation tips

• Confirm compatibility with your panel and three-phase 600 V service before installation.
• Have a licensed electrician perform the hookup in accordance with local electrical codes and safety practices.
• Use as part of a broader protection strategy that includes regular inspection and maintenance of downstream circuits and equipment.