Square D HDA36150SDYP 150A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36150SDYP 150A 3-Pole 600 V Circuit Breaker — a purpose-built protection device designed to safeguard three-phase electrical systems in demanding commercial and industrial environments. With a 150 A current rating and a 600 V maximum, this unit is built to reliably interrupt fault currents and protect both wiring and equipment from overloads.

• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HDA36150SDYP
• Brand: Square D

Why this model stands out:

• with a 3-pole design ensures all live conductors are simultaneously interrupted, reducing arc risk and protecting motors, drives, and other three-phase equipment.
• Durable construction for industrial use designed to withstand the demands of panels and distribution equipment in manufacturing, processing, and heavy commercial environments.
• Clear identification and traceability through its specific part number (HDA36150SDYP) makes ordering, replacement, and maintenance straightforward, minimizing downtime.
• Versatile protection for 600 V systems suitable for a range of applications from motor feeders to critical service panels, helping you keep essential processes online.

Ideal use scenarios:

• Three-phase motor control centers and distribution panels in manufacturing facilities
• Feeder circuits and main distribution panels in commercial buildings with 600 V service
• Industrial equipment setups such as conveyors, pumps, and compressors that require reliable overload protection

Practical considerations and tips:

• Ensure compatibility with Square D panels and the surrounding enclosure where HDA-series devices are specified for replacement or upgrade.
• Verify appropriate wiring and termination practices per panel manufacturer guidelines to maintain optimal performance.
• Use the exact part number (HDA36150SDYP) when ordering to avoid mismatches and ensure you receive the correct 150 A, 3-pole, 600 V unit.