Square D HLA36070SKYP 70A 3-Pole 600 V Circuit Breaker

Introducing the Square D HLA36070SKYP 70A 3‑Pole 600 V Circuit Breaker—a robust protection device designed for three‑phase power systems up to 600 volts. Built to safeguard panels, switchgear, and motor circuits, this breaker interrupts fault currents quickly to prevent equipment damage and downtime.

Key specifications at a glance

• Current rating: 70 A
• Poles: 3 (three‑phase protection)
• Voltage rating: 600 V
• Part number: HLA36070SKYP
• Brand: Square D

Why this breaker matters in your installation

• Three‑phase protection for industrial and commercial loads: Ideal for protecting three‑phase motors, pumps, compressors, and feeders in 208/480/600 V systems.
• Reliable overload and fault interruption: Helps prevent insulation damage and equipment downtime by reliably interrupting excessive current during faults.
• Durable, field‑ready performance: Designed for consistent operation in demanding environments and compatibility with Square D panelboards and switchgear that accept this part family.
• Maintenance and replacement readiness: Keeping a 70 A unit on hand supports efficient maintenance schedules and minimizes service interruptions.

Ideal use cases

• Replacing a failed breaker in a three‑phase 600 V distribution panel
• Providing protection for three‑phase motor feeders in manufacturing, HVAC, and process facilities
• Upgrading panel capacity to handle higher motor or equipment loads within the 70 A range

Tips for installation and compatibility

• Confirm your panel or switchgear accepts HLA‑series breakers and that the 70 A, 3‑pole, 600 V ratings match your circuit requirements.
• Ensure conductor sizing and protective settings align with the protection provided by a 70 A three‑phase breaker.
• Follow proper lockout/tagout procedures and applicable electrical codes during replacement or installation.