Square D HDA36110SDYP 110A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36110SDYP, a dependable 110 A, 3-pole circuit breaker designed for three-phase electrical systems up to 600 V. This is a purpose-built protective device from Square D that combines reliability with straightforward installation in compatible panels.

Key specifications at a glance

• Current rating: 110 A
• Poles: 3 (three-phase protection)
• Voltage rating: 600 V
• Part number: HDA36110SDYP

Why choose this 3-pole breaker? When your three-phase equipment—from motors to processing lines—depends on steady, predictable protection, this Square D breaker delivers. It helps guard against overloads and short circuits in medium-to-large load circuits, reducing the risk of unplanned downtime.

Ideal use cases

• Industrial facilities with 3-phase distribution networks up to 600 V
• Replacement for worn or failed breakers in compatible Square D panels
• Protection for motors, conveyors, pumps, HVAC units, and other three-phase equipment

Installation and compatibility notes

• Designed for 3-pole, 600 V distribution systems and rated for 110 A loads
• Ensure you install only in panels and enclosures that accept HDA-series breakers and verify proper mounting and electrical clearance
• Follow local codes and safety practices; power must be disconnected during installation

Trust the Square D name for robust electrical protection. The HDA36110SDYP delivers a straightforward, reliable solution for protecting three-phase circuits while keeping maintenance and replacement straightforward for facility teams and electricians.