Square D HJL36090UA 90A 3-Pole 600 V Circuit Breaker

The Square D HJL36090UA 90A 3-Pole 600 V Circuit Breaker is built for reliable overcurrent protection in demanding 3‑phase electrical systems. With a 90 A rating and a 3‑pole design, it provides balanced interruption across all phases, helping keep motors, drives, and feeders safe from voltage surges and faults in industrial environments.

Key benefits of the HJL36090UA at a glance:

• Three-pole protection ensures simultaneous disconnection on all phases, reducing arc risks and improving system safety.
• 90 A current rating offers robust protection for medium-to-full load feeders without unnecessary trips, supporting stable operation of equipment.
• 600 V voltage rating makes it suitable for higher-voltage distribution in commercial and light-industrial settings.
• Reliability you can trust as part of Square D’s lineage, designed for consistent performance in challenging environments.
• Part number HJL36090UA precisely identifies this model for easy ordering, replacement, and compatibility checks within compatible panels and enclosures.

Ideal use cases include protecting 3‑phase machinery, HVAC drives, manufacturing line feeders, and other 600V distribution circuits where dependable fault isolation is critical. This breaker helps minimize downtime by quickly isolating faults while keeping healthy circuits online when loads are within spec.

How this model stands out from alternatives: it combines a dedicated 90 A rating with a 3‑pole, 600 V specification in a single, purpose-built package, offering a clean, straightforward solution for mid‑sized 3‑phase distributions. Its design emphasizes durability and predictable performance, so you can count on it in daily operations and during demand surges.

Practical notes for deployment: confirm panel compatibility with HJL‑series devices and ensure correct installation practices for terminations and mounting. Review your load calculations to align the 90 A rating with actual demand, preserving protection while avoiding unnecessary interruptions.

• Brand: Square D
• Part number: HJL36090UA
• Poles: 3
• Current rating: 90 A
• Voltage rating: 600 V
• Type: Circuit Breaker