Square D HDA36110SJYP 110A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36110SJYP 110 A 3-Pole 600 V Circuit Breaker—a trusted, three‑phase protection solution designed for demanding commercial and light industrial panels. With a 110‑amp current rating and a 600‑volt maximum system, this unit delivers robust, reliable protection for multi‑phase distributions, helping to prevent costly electrical faults and downtime.

Key specifications at a glance

• Current rating: 110 A
• Poles: 3
• Voltage rating: 600 V
• Brand/model: Square D HDA36110SJYP

Why this model stands out

• Precise three‑phase protection: The 3‑pole design ensures synchronized disconnection across all phases, reducing the risk of imbalanced loads and protecting sensitive equipment from phase faults.
• Exact replacement fit for Square D systems: Part number HDA36110SJYP is built to integrate seamlessly with compatible Square D panels and enclosures, making maintenance and upgrades straightforward.
• Clear, factory‑rated performance: Rated for up to 600 V, this breaker is engineered to handle the demands of modern electrical distributions while delivering consistent trips when protection is needed.

Ideal use cases

• Feeder protection for commercial electrical rooms and small industrial panels that run three‑phase loads
• Protecting motor and equipment circuits in compact manufacturing environments
• Replacement or upgrade in existing Square D installations that specify HDA series breakers

Practical considerations for installation and operation

• Verify panel compatibility: ensure your enclosure accepts HDA series breakers and that the bus configuration matches a 3‑pole, 110 A device.
• Use for circuits where three‑phase balance is critical to maintain motor efficiency and system reliability.
• Handle with standard electrical safety procedures; when in doubt, consult your panel’s labeling or a qualified electrician.

The Square D HDA36110SJYP 110 A 3-Pole 600 V Circuit Breaker combines industry‑trusted protection with a precise fit for compatible panels, helping you safeguard three‑phase distribution with clarity and confidence. Whether you’re stocking for routine maintenance, a panel upgrade, or a new installation, this breaker delivers dependable performance under demanding electrical loads.