Square D HLA36070USYP 70A 3-Pole 600 V Circuit Breaker

Meet the Square D HLA36070USYP, a 70 Amp, 3-pole circuit breaker engineered to protect three-phase systems up to 600 V. Built by Square D, this unit is a trusted choice for dependable overload and short-circuit protection in demanding industrial and commercial environments. With its three-pole configuration, it ensures simultaneous disconnection of all energized lines, preserving system safety and equipment integrity.

Key specifications

• Current rating: 70 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HLA36070USYP
• Brand: Square D (Schneider Electric)
• Series: HLA

Why this protects your system

Three-pole protection is essential for balanced, safe operation of 3-phase equipment. The Square D HLA36070USYP provides coordinated interruption across all phases, reducing the risk of phase-to-phase faults and minimizing downtime in the event of an overload or fault. This makes it a reliable choice for safeguarding motors, drives, pumps, conveyors, and other high-demand loads in panelboards and switchgear that require sturdy, high-voltage protection.

Ideal applications

• Industrial machinery and manufacturing lines powered by three-phase 600 V systems
• Conveyor belts, pumps, and HVAC equipment in commercial facilities
• Electrical panels and switchgear where robust 3P protection is a must
• Repairs or replacements in Square D distribution setups that use the HLA family

Practical guidance for use

• Confirm your enclosure or panel accepts Square D HLA-series breakers and supports a 3-pole, 600 V device
• Install per standard electrical safety practices and follow enclosure manufacturer guidelines for mounting orientation
• Use as part of a coordinated protection strategy to safeguard downstream motors and power supplies from overloads
• Plan for routine maintenance checks to ensure the trip mechanism remains responsive and the terminations stay tight

Whether you’re stocking a maintenance closet, engineering a new panel, or replacing an aging protection device, the Square D HLA36070USYP delivers reliable, three-phase protection for demanding 600 V circuits. Invest in a proven, industry-standard solution that aligns with your 3P distribution needs and helps keep critical equipment running smoothly.