Square D HDA36125USYP 125A 3-Pole 600 V Circuit Breaker

Engineered by Square D, the HDA36125USYP is a high-capacity 125A, 3-pole circuit breaker built for demanding three-phase power systems up to 600 V. This robust device delivers reliable overcurrent protection for industrial and commercial installations, helping prevent equipment damage and unplanned downtime while keeping your electrical system safe and compliant.

Key features that matter in real-world setups

• Three-pole design provides simultaneous interruption across all phases for balanced protection in three-phase networks.
• 125 A continuous current rating aligns with common feeder and motor-load requirements in medium-to-large facilities.
• 600 V maximum system voltage supports a wide range of industrial applications, from manufacturing lines to heavy HVAC and process equipment.
• Part Number HDA36125USYP ensures precise compatibility within Square D’s product lineup, simplifying procurement and maintenance planning.
• Square D reliability backed by decades of field-tested performance in challenging environments.

Why this circuit breaker fits your operation

When your facility runs multiple three-phase loads—motors, conveyors, pumps, or large control panels—a correctly sized 3-pole breaker is essential for rapid fault isolation and minimizing downtime. The HDA36125USYP is designed for 3-phase 600 V circuits, making it an ideal choice for service panels, motor control centers, and industrial control panels that demand consistent protection and straightforward serviceability.

Specifications at a glance

• Current rating: 125 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HDA36125USYP
• Brand: Square D