Square D HDA36070UOYP 70A 3-Pole 600 V Circuit Breaker

Meet reliable three‑phase protection built for demanding industrial and commercial power layouts: the Square D HDA36070UOYP 70A 3‑Pole 600 V Circuit Breaker. Designed to interrupt fault currents and safeguard motors, feeders, and panel boards, this device delivers precise overcurrent protection in environments where uptime matters.

Key specifications at a glance

• Current rating: 70 A
• Poles: 3 (three‑pole) for balanced, 3‑phase circuits
• Voltage rating: up to 600 V
• Part number: HDA36070UOYP

Why this breaker stands out

• Three‑phase protection you can count on: Ideal for motors, compressors, and other 3‑phase equipment where consistent current limiting and rapid fault interruption are critical.
• Straightforward integration: Built to fit Square D panels and enclosures that accept HDA series devices, helping you streamline installation and future replacements.
• Durable, mission‑critical design: Engineered for industrial environments where reliability and predictable performance matter day after day.
• Clear, verifiable protection: The 70 A rating provides precise protection for feeders and branches in mid‑size power distribution setups, reducing the risk of equipment damage from overloads.

Ideal applications and use cases

• Industrial manufacturing lines with multiple 3‑phase motors and drives
• Commercial and light industrial electrical panels requiring dependable 3‑phase protection
• HVAC systems, refrigeration circuits, and large pumps where balanced three‑phase protection is essential
• Power distribution feeders in data centers, workshops, and facility electrical rooms

Installation and practical considerations

• Ensure compatibility with your panel or distribution board that supports HDA series trip devices.
• Plan for proper conductor sizing and secure torque on terminations per the manufacturer’s guidelines to maintain reliable performance.
• Use in systems operating at or below 600 V to align with the device’s rating and safe operation standards.

Maintenance and best practices

• Periodically inspect connections for tightness and signs of heat or wear in high‑duty environments.
• Document replacement intervals and keep part numbers handy for quick service when needed.
• Store and handle the device according to standard electrical safety practices to preserve its integrity over time.

With the Square D HDA36070UOYP 70A 3‑Pole 600 V Circuit Breaker, you gain focused, dependable protection for essential 3‑phase circuits. It’s a practical choice for professionals who prioritize consistent performance, easy installation, and long‑term reliability in industrial power distribution.