Square D HDA36125UPYP 125A 3-Pole 600 V Circuit Breaker

Introducing the Square D HDA36125UPYP 125A 3-Pole 600 V Circuit Breaker—a precise, dependable overcurrent protector built for demanding three-phase systems. This part delivers 125 amp capacity in a 3-pole configuration for clean, balanced protection across all phases.

Designed for use in Square D panels and distribution boards, the HDA36125UPYP helps keep motors, feeders, and branch circuits safe from overloads and short circuits. The 600 V rating ensures compatibility with a wide range of industrial and commercial power systems, giving you the flexibility to protect sensitive loads without sacrificing performance.

Why choose this 3-Pole 125A breaker?

Three-pole protection means simultaneous, coordinated shutdown of all phases on fault, preventing phase imbalance and equipment damage. The 125A rating matches typical feeder or motor circuit requirements in medium-duty applications, helping you optimize panel space and protection without over-sizing breakers.

• 125 A current rating
• 3-pole design for full three-phase protection
• 600 V maximum voltage rating for broad modern power systems
• Part number HDA36125UPYP — ensures exact fit and compatibility with Square D equipment
• Reliable overcurrent protection for motors, feeders, and distribution circuits

Usage scenarios: replace worn breakers in existing Square D installations, upgrade panel protection for three-phase motor feeds, or stock spare parts for maintenance cycles. This breaker is ideal for commercial and light industrial environments where consistent protection and quick, predictable tripping are essential.

Tips for installation and best results: verify panel compatibility with your Square D panel labeling, choose the right slot for a 3-pole device, and follow the manufacturer’s torque and handling guidelines. Keep spare HDA36125UPYP on hand to minimize downtime during service or upgrades.