Square D HDA36100SRYP 100A 3-Pole 600 V Circuit Breaker

The Square D HDA36100SRYP 100A 3-Pole 600 V Circuit Breaker is a steadfast protection solution for three-phase electrical systems. Built to handle demanding commercial and light industrial environments, this breaker helps you safeguard motors, conveyors, pumps, and other heavy-load equipment from overloads and short circuits, keeping downtime to a minimum and safety top of mind.

Three‑phase protection with precise coordination

Designed as a 3-pole unit, the HDA36100SRYP delivers balanced protection across all three phases. By interrupting excessive current quickly and reliably, it helps prevent damage from overcurrent events that can cascade through a three-phase distribution network. This makes it an ideal choice for panel boards and distribution gear where consistent phase protection is critical.

Why choose this Square D breaker

• Reliable performance for 3-phase circuits up to 600 V, helping protect wiring, components, and connected equipment.
• Dedicated current rating of 100 A provides robust protection for medium to large loads without nuisance trips in normal operation.
• Part number clarity HDA36100SRYP ensures you’re selecting the exact replacement or upgrade for compatible Square D installations.
• Brand alignment with Square D systems—familiar form factor and proven compatibility in compatible panels and enclosures.

Where it fits and how to use it

Best suited for use in Square D-compatible panels and distribution setups that require reliable three-phase overcurrent protection up to 600 V. It’s a practical replacement option for aging breakers in established electrical rooms or as part of a planned upgrade to standardize on a recognized, serviceable protection scheme. When selecting this breaker, verify that your distribution equipment is rated for 600 V and that the panel accepts HDA-series devices for a secure, code-compliant fit.

Specifications at a glance

• Current rating: 100 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HDA36100SRYP
• Brand: Square D

Whether you’re performing a routine replacement, upgrading to a standardized protection strategy, or equipping a new three-phase installation, the Square D HDA36100SRYP 100A 3-Pole 600 V Circuit Breaker delivers dependable, purpose-built protection for your critical electrical infrastructure—with the assurance that comes from a trusted name in power distribution.