Square D HJA36070SHYP 70A 3-Pole 600 V Circuit Breaker

Square D HJA36070SHYP 70A 3-Pole 600 V Circuit Breaker is engineered to safeguard three-phase electrical circuits in demanding commercial and industrial environments. With a 70-amp rating across three poles and a 600-volt operating capacity, this breaker provides reliable overcurrent protection for your power distribution system. Part Number HJA36070SHYP, it sits within the trusted Square D lineup, delivering consistent performance where it matters most.

Key specifications

• Current rating: 70 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HJA36070SHYP
• Brand: Square D

Why choose this 3-pole, 600 V circuit breaker

Designed for three-phase systems, the Square D HJA36070SHYP helps protect motors, feeders, and other critical loads from overloads and short circuits. Its three-pole configuration ensures coordinated protection across all phases, reducing the risk of unbalanced faults that can damage equipment and disrupt operations. The 600 V rating makes it suitable for a range of industrial and commercial distribution scenarios, where dependable protection and rapid fault isolation are essential.

Ideal use cases

• Protecting three-phase motor circuits in manufacturing, HVAC, and material handling environments
• Feeding distribution panels and heavy equipment that operate on 600 V systems
• Upgrading or replacing aging protection devices in commercial or light industrial installations

Practical considerations

To maximize safety and performance, install the Square D HJA36070SHYP in panels and enclosures designed for 600 V devices. Ensure the overall system voltage and current ratings are aligned with this breaker’s 600 V / 70 A specifications, and follow applicable electrical codes and safety practices during installation and maintenance.