Square D HJA36020AABCSDYP 36020A 3-Pole 600 V Circuit Breaker

Square D HJA36020AABCSDYP 36020A 3-Pole 600 V Circuit Breaker is engineered for dependable three-phase protection in demanding electrical environments. Identified by Part Number HJA36020AABCSDYP, this unit combines a true three-pole configuration with a 600 V rating to safeguard circuits in industrial and commercial power systems.

Key specifications at a glance

• Poles: 3
• Voltage rating: 600 V
• Current rating: 36020 A
• Part number: HJA36020AABCSDYP
• Brand: Square D

Why this Square D circuit breaker stands out

In three-phase layouts, a 3-pole breaker ensures uniform protection across all conductors, reducing the risk of phase imbalance and equipment damage. The HJA36020AABCSDYP model is a genuine Square D device, backed by the brand’s engineering standards, and designed to fit Square D panels and enclosures that accept three-pole, 600 V protection. This makes it a straightforward, reliable replacement or upgrade for installations that require robust, consistent protection across all phases.

Ideal applications

Perfect for three-phase motor circuits powering pumps, fans, conveyors, and other industrial equipment; suitable for HVAC distribution networks; and well-suited to power distribution panels in manufacturing facilities where 600 V protection and dependable trip behavior are critical.

Installation and maintenance tips

Before servicing, shut off main power and verify the absence of voltage. Confirm compatibility with your Square D panel or enclosure and follow standard wiring practices for three-pole devices. Document the exact part number HJA36020AABCSDYP for future maintenance. Periodically inspect for signs of overheating, corrosion, or physical damage; if the breaker trips frequently or behaves irregularly, replace it with an identical HJA36020AABCSDYP unit to preserve protection integrity.

What you get

A genuine Square D three-pole, 600 V circuit breaker with the part number HJA36020AABCSDYP, designed to deliver clear, reliable overcurrent protection for your three-phase power systems.