Square D HJA36060AABCSJ 36060A 3-Pole 600 V Circuit Breaker Potential Transformer

The Square D HJA36060AABCSJ is a rugged three-pole circuit breaker designed for reliable protection of 3‑phase, 600 V electrical systems. With a current rating of 36060 A and a voltage rating of 600 V, this unit delivers dependable overcurrent protection while integrating a potential transformer for precise voltage sensing and seamless remote monitoring.

Integrated sensing for smarter protection

The built-in potential transformer simplifies measurement and relay interfacing, feeding accurate voltage data to protective relays, metering equipment, or building management systems. No need for separate transformers or extra wiring—this all-in-one design streamlines installation and enhances reliability.

Designed for demanding 3‑phase power

Three-pole construction ensures synchronized protection across all phases, aiding in selective coordination within distribution panels, motor control centers, and industrial switchgear. The 600 V rating supports heavy equipment, motors, pumps, conveyors, and processing lines.

Why choose this Square D solution?

• Trusted Square D performance with compatibility across Square D protection ecosystems.
• Integrated potential transformer reduces wiring complexity and potential failure points.
• Precise voltage sensing improves relay accuracy and metering readouts.
• Durable, industrial-grade construction built to withstand demanding environments.

Ideal use cases

Data centers, manufacturing floors, water treatment facilities, and large commercial installations where reliable 3‑phase protection and accurate monitoring are essential.

Tips for installation and selection

• Verify system voltage and protection coordination with upstream devices.
• Ensure enclosure space and terminal ratings align with your panel requirements.
• When pairing with relays or meters, confirm the potential transformer output matches the input specs of your protective equipment.

Part Number HJA36060AABCSJ serves as your anchor for ordering and inventory planning. Consider this 3‑pole, 600 V circuit breaker with integrated potential transformer to streamline installation, enhance monitoring accuracy, and bolster overall system safety.