Square D HGA36070SDYP 70A 3-Pole 600 V Circuit Breaker

Introducing the Square D HGA36070SDYP 70A 3-Pole 600 V Circuit Breaker—a reliable protection solution built for three-phase electrical distribution. With a 70-amp rating, three poles, and a 600-volt maximum, this breaker is designed to quickly interrupt fault currents and shield your wiring, transformers, and heavy equipment in commercial and light industrial panels.

Key specifications

• Part Number: HGA36070SDYP
• Current rating: 70 A
• Poles: 3
• Voltage rating: 600 V
• Configuration: Three-pole, suitable for three-phase service

What makes this model stand out

As a genuine Square D replacement, the HGA36070SDYP is designed to integrate seamlessly with compatible panels and the broader HGA-series family. The three-pole design provides synchronized protection across all three phases, which is essential for balanced operation in motors, drives, and other three-phase equipment. This specificity helps prevent phase imbalances that can lead to equipment wear or unexpected downtime.

Real-world use cases

• Feeder protection for three-phase motors, conveyors, and machinery in manufacturing settings.
• Protection for large commercial HVAC systems and other high-load equipment fed from a 600 V distribution panel.
• Reliable replacement part for existing Square D installations that require the HGA-series form factor.

Installation and compatibility tips

To ensure optimal performance, replace with the exact part number when servicing a panel that requires HGA-series breakers. Confirm that your system operates at up to 600 V and that the panel accepts three-pole devices of this type. Follow all local electrical codes and safety practices during replacement or installation to maintain panel integrity and reliability.