Square D HDA36070UD 70A 3-Pole 600 V Circuit Breaker

The Square D HDA36070UD is a high-capacity, 70 A circuit breaker designed for three-phase electrical systems. With a 3-pole configuration and a 600 V rating, this OEM device protects critical machinery and distribution circuits from overloads and faults, helping minimize downtime and wiring damage. Built to integrate seamlessly into Square D panels, it preserves the integrity and performance of your existing electrical infrastructure.

Why this 3-Pole, 600 V breaker stands out

• 70 A current rating provides strong protection for large motors, pumps, and feeders without nuisance trips.
• 3-pole design delivers balanced protection across all three phases, essential for reliable three-phase operation.
• 600 V maximum system voltage suits industrial distribution networks and higher-voltage applications common in commercial facilities.
• OEM Square D part ensures exact fit, compatible trip characteristics, and consistent performance with existing Square D installations.

Ideal uses and practical scenarios

• Protect three-phase motors, conveyors, compressors, and large pumps in manufacturing or processing environments.
• Serve as a dependable replacement part in established Square D panels, reducing downtime and ensuring seamless compatibility.
• Suitable for distribution boards and service panels in facilities that rely on stable three-phase power for everyday operations.

Specifications at a glance

• Part Number: HDA36070UD
• Current Rating: 70 A
• Poles: 3
• Voltage Rating: 600 V
• Brand: Square D

Choosing the HDA36070UD means opting for a reliable, OEM-proven solution that aligns with your existing Square D electrical systems. It’s the practical, no-surprises choice for protecting sizable three-phase loads while maintaining consistency across your breakers and panels.