Square D HJL36040AABCSHYP 36040A 3-Pole 600 V Circuit Breaker Potential Transformer

Experience robust protection and precise measurement in one trusted package with the Square D HJL36040AABCSHYP. This 3-pole circuit breaker, engineered by Square D, brings industrial-grade reliability to demanding power distribution setups while offering a compatible path for potential transformer-based metering and relay coordination. With a 600 V rating and a substantial current capacity, it’s designed to keep critical systems safe in busy electrical rooms, switchgear, and motor control centers.

Why this model stands out

• Three-pole configuration delivers balanced protection for 3‑phase networks, reducing the risk of nuisance trips and improving overall system stability.
• 600 V voltage rating supports diverse industrial distribution schemes, from manufacturing floors to large facility networks.
• Current rating of 36040 A provides capacity for high-demand circuits and heavy equipment, ensuring dependable protection under peak loads.
• Potential transformer compatibility simplifies metering and protective relay interfaces, enabling accurate voltage sensing and streamlined wiring in panels and switchgear.
• Durable Square D construction supports long service life in challenging environments, with consistent performance across cycles and fault events.

Ideal use cases

• Industrial facilities with large motors, presses, conveyors, or other high-energy equipment requiring strong overcurrent protection and reliable measurement pathways.
• Data centers and process plants where precise metering is paired with protection, helping manage energy usage and uptime.
• New installations or retrofits in switchgear or panelboards that benefit from an integrated protection and metering interface.

Specifications at a glance

• Part Number: HJL36040AABCSHYP
• Brand: Square D
• Poles: 3
• Current rating: 36040 A
• Voltage rating: 600 V

Tips for implementation and longevity

Install by a qualified electrician following local codes and the official Square D installation guidelines. Verify compatibility with your potential transformers and protective relays before integrating into your panelboard or switchgear. Regularly inspect connections and torque settings, and coordinate with your protection scheme to ensure swift, selective tripping during faults, while maintaining visibility for metering data and system health monitoring.

For facilities that demand dependable protection and streamlined metering in a single unit, the Square D HJL36040AABCSHYP delivers precise sensing, robust isolation, and the peace of mind that comes from a trusted industrial standard.