Square D HGA36070UAYP 70A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36070UAYP — a rugged, ready-to-protect solution for demanding 3‑phase electrical systems. With a 70 A rating and three poles, this circuit breaker is built to interrupt fault current quickly and safely, keeping motors, drives, and distribution equipment protected in busy commercial or light industrial environments. The part number HGA36070UAYP ensures precise compatibility with Square D panels that accept HGA-series breakers, so replacements and upgrades go in with minimal fuss.

• Part Number: HGA36070UAYP
• Current Rating: 70 A
• Poles: 3
• Voltage Rating: 600 V

Why this specific 3‑pole, 70 A breaker matters

• Designed for three‑phase circuits, making it ideal for commercial power distribution and motor feeders where balanced protection is essential.
• 600 V rating broadens its applicability in systems that operate at higher line voltages, delivering reliable protection without oversizing components.
• Exact fit with Square D panels that support HGA-series devices, helping maintain panel aesthetics, labeling consistency, and electrical coordination.

Use cases and scenarios

• Three‑phase motor circuits in manufacturing or processing facilities requiring dependable overload and fault protection.
• Distribution feeders in commercial buildings where robust protection for up to 70 A loads is needed.
• Panel upgrades or replacements in existing Square D installations to maintain design integrity and performance.

What problems it solves

• Prevents equipment damage from overloads and short circuits by interrupting fault current at the source.
• Helps maintain uptime in equipment-heavy environments by providing reliable, well-coordinated protection for 3‑phase circuits.
• Supports the orderly shutdown and safe maintenance of complex electrical systems, reducing the risk of cascading faults.

Important compatibility note

This device is intended for Square D panels that accept HGA-series breakers. To ensure seamless operation, confirm that your panel model is compatible with HGA36070UAYP before installing.

Tips for installation and operation

• Always follow electrical codes and safety procedures; work should be performed by a qualified electrician.
• Verify the panel labeling to confirm correct breaker type and slot compatibility for the HGA series.
• Use proper torque and mounting practices to ensure a secure, reliable connection and consistent trip performance.