Square D HDA36070SRYP 70A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36070SRYP 70A 3-Pole 600V Circuit Breaker — a purpose-built protection device for 3‑phase electrical systems up to 600 volts. With its compact three-pole design, this breaker cleanly interrupts overloads and short circuits across all three phases, helping shield motors, pumps, and other equipment from costly damage.

• Current rating: 70 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HDA36070SRYP

What sets this Square D breaker apart is its reliability in demanding environments. The HDA series is designed for precise, predictable tripping, giving you clear protection boundaries for your three-phase circuits. It integrates smoothly with standard Square D distribution panels, ensuring consistent performance and straightforward replacement in existing systems.

Ideal use cases include:

• Protection for 3-phase feeders supplying motors, HVAC gear, pumps, or conveyors in commercial or light industrial installations
• Branch protection in panels that feed equipment operating at up to 600 V
• Replacement for aging HDA-series breakers to restore trusted overcurrent protection

Safety, uptime, and ease of maintenance are at the core of this device. When you install the HDA36070SRYP, you get a robust, dependable line‑side breaker that helps you quickly isolate faults and keep equipment running smoothly. Always verify that your panel accepts HDA-series breakers and that the circuit load aligns with the 70 A rating for optimal protection.