Square D HLA36070UK 70A 3-Pole 600 V Circuit Breaker

Meet the Square D HLA36070UK 70A 3-Pole 600 V Circuit Breaker—a dependable overcurrent protection device designed for three-phase electrical systems. With a 70 A rating and three poles, it guards your wiring and equipment from overloads and short circuits while keeping power evenly distributed across all phases.

Key specifications

• Brand: Square D by Schneider Electric
• Part number: HLA36070UK
• Current rating: 70 A
• Poles: 3
• Voltage rating: up to 600 V

Why this 3-Pole breaker stands out

• Three-phase protection: Keeps motors, pumps, conveyors, and other three-phase loads safe by maintaining phase balance and preventing damaging overloads.
• Easy integration: Designed to fit standard Square D panels and enclosures, simplifying replacements and upgrades without rewiring.
• Durable construction: Built to endure industrial environments, delivering reliable performance over time.
• Clear traceability: Part number and 70 A rating are straightforward to verify in schematics and maintenance records.

Ideal use cases

• Three-phase motor circuits in manufacturing floors, processing lines, and HVAC installations
• Power distribution segments in commercial facilities operating up to 600 V systems
• Protection for critical equipment where reliable, balanced three-phase protection is essential

Installation and care tips

• Only qualified electricians should install or replace circuit breakers. Verify compatibility with your panel and ensure the system voltage supports up to 600 V.
• Follow local electrical codes and manufacturer guidelines during wiring and mounting.
• Regular inspections for signs of wear, overheating, or corrosion help maintain dependable protection.