Square D HDA36125UJYP 125A 3-Pole 600 V Circuit Breaker

Square D HDA36125UJYP is a rugged three-pole circuit breaker engineered to safeguard 3-phase power systems. With a 125 A current rating and a maximum voltage of 600 V, it delivers dependable overcurrent protection for demanding industrial and commercial applications.

Designed to protect three-phase circuits, this device ensures that all three lines disconnect together during a fault, enhancing safety and minimizing arc exposure. It’s an ideal choice for motor feeders, panel boards, and other 3-phase equipment where reliable, coordinated tripping is essential in harsh operating environments.

Key specifications

• Current rating: 125 A
• Poles: 3
• Voltage rating: 600 V
• Brand: Square D by Schneider Electric
• Part number: HDA36125UJYP
• Configuration: Three-pole circuit protection for 3-phase systems

Ideal applications and use cases

• Three-phase motor control circuits in manufacturing, processing, and packaging facilities
• Main protection for panel boards and switchgear feeding 3-phase equipment
• Industrial distribution enclosures requiring reliable protection up to 600 V

Why choose this Square D circuit breaker

Choosing the HDA36125UJYP means leaning on a trusted name in electrical protection. The three-pole design provides coordinated disconnection across all phases, helping to reduce fault-related damage and downtime. As part of the Square D family, it’s built to integrate smoothly with compatible panels and gear, offering consistent performance and long-term reliability in demanding environments.

Practical considerations for selection and installation: confirm your panel or enclosure is rated for 125 A, 3-pole devices and supports 600 V systems, and follow local electrical codes with a qualified electrician. This part is a robust, ready-to-source solution for maintaining safe, reliable power distribution in industrial settings.

Secure the protection your 3-phase system demands with the Square D HDA36125UJYP—a precise, dependable choice for 125 A, 3-pole, 600 V circuit protection.