Square D HLA36070UJYP 70A 3-Pole 600 V Circuit Breaker

Meet the Square D HLA36070UJYP, a purpose-built circuit breaker engineered for robust three-phase protection in demanding electrical environments. With a 70 A current rating and a 3-pole design, this breaker is built to reliably interrupt all three hot legs in 3-phase circuits operating up to 600 V.

Part of the Square D HLA lineup, the HLA36070UJYP is ideal for industrial and commercial installations where dependable protection and quick fault isolation matter. Its three-pole configuration provides coordinated protection for motors, pumps, conveyors, and other three-phase equipment, helping to minimize equipment damage and downtime when faults occur.

Key specifications

• Current rating: 70 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HLA36070UJYP
• Brand/series: Square D HLA family

Why this breaker stands out

Unlike generic substitutes, this Square D model is designed to integrate seamlessly with Square D panels and distribution equipment, delivering predictable trip behavior and dependable performance in real-world conditions. The HLA36070UJYP provides clear, immediate fault interruption across all three phases, helping protect valuable load equipment and maintain system integrity during electrical disturbances.

Ideal use cases

• Protection for three-phase motors, drive systems, and other heavy loads in industrial facilities.
• Main and branch protection in commercial distribution panels requiring reliable 600 V service.
• Retrofit or spare-part replacement in existing Square D installations needing a 70 A, 3-pole, 600 V solution.

Installation and best practices

• Verify compatibility with your Square D panel and the HLA series to ensure proper fit and electrical characteristics.
• Power down the equipment and follow all safety procedures before installation or maintenance.
• Install per local electrical codes and the panel manufacturer’s instructions; use conductors appropriate for a 70 A rating and secure terminations to recommended torque values.
• Coordinate protection with other devices to achieve selective tripping and minimize unnecessary outages.

Experience reliable, industry-grade protection with the Square D HLA36070UJYP—a trusted choice for safeguarding three-phase power distribution up to 600 V. Whether you’re upgrading an aging panel or stocking essential spare parts, this 70 A, 3-pole breaker delivers clear advantages in performance and compatibility.