Square D HJ150 - 70A, 3-Pole, Circuit Breaker

Square D HJ150 is a 70A, 3-pole circuit breaker built to deliver dependable overcurrent protection in demanding electrical environments. Whether you're equipping new installations or upgrading existing panels, this breaker offers the reliability you need in panelboards, switchboards, and control panels.

Key features and benefits:

• Current rating: 70A with a 3-Pole configuration, ideal for 3-phase distribution and motor-related circuits.
• Designed for panelboards, switchboards, and control panels where space, performance, and coordinated protection matter.
• Three-pole design ensures simultaneous protection across all phases, enhancing safety and trip coordination in motor control centers and distribution panels.
• Part of Square D’s HJ series, built to withstand the rigors of industrial and commercial environments while delivering consistent operation.
• OEM-friendly option for machine builders and integrators seeking a trusted protection device from a recognized brand.

Who should consider the Square D HJ150? Electrical engineers, facilities managers, OEMs, and electrical contractors who need robust, reliable overcurrent protection in three-phase systems. It’s well suited for use in distribution panels and motor control centers where downtime and equipment damage must be minimized.

Use cases:

• New panel builds and control enclosures in industrial facilities requiring 70A, 3-pole protection.
• Retrofits or replacements in existing panelboards or MCCs to restore reliable overcurrent protection.
• Custom OEM assemblies where a trusted, 3-phase breaker supports motor circuits and power distribution.

With the Square D HJ150, you’re choosing a recognized brand’s commitment to safety and reliability in everyday electrical operation. It’s the practical, proven solution for protecting feeders, motors, and other sensitive components in distribution panels and motor control centers.