Square D HGA36070USYP 70A 3-Pole 600 V Circuit Breaker

The Square D HGA36070USYP is a 70 A, three-pole circuit breaker built for reliable three-phase protection in commercial and light industrial electrical systems. Rated up to 600 V, it safeguards feeders and motors by quickly interrupting fault currents, helping prevent equipment damage and unplanned downtime. This unit is identified by part number HGA36070USYP and is designed to integrate with Square D panels that accept HGA-series breakers.

Key specifications

• Current rating: 70 A
• Poles: 3 (three-pole)
• Voltage rating: 600 V
• Part number: HGA36070USYP

Why this matters

Three-pole protection ensures all phases shut down together, maintaining balance and preventing phase-to-phase faults in three-phase equipment. The 70 A rating is well-suited for mid-range motor feeds, feeders, and panelboard branches where dependable protection without nuisance trips is essential. The 600 V rating expands its applicability across standard commercial and industrial power distributions, providing a robust safeguard for a wide range of loads.

Ideal use cases

• Motor control centers and three-phase feeders in commercial facilities and light industrial setups
• Panelboard upgrades or replacements where HGA-series breakers are specified for compatibility
• Feeder protection for equipment requiring reliable interruption at voltages up to 600 V

Practical guidance

• Verify panel compatibility for HGA-series breakers before installation to ensure proper fit and operation.
• Use the 70 A rating for circuits with motors or drives that may experience high startup currents, balancing protection with a stable operating margin.

Choose the Square D HGA36070USYP for dependable, three-phase protection that aligns with your 600 V distribution needs. It’s a precise, durable choice for safeguarding equipment and keeping systems running smoothly.