Schneider Electric HJL36040UA 40A 3-Pole 600 V Circuit Breaker Potential Transformer

Schneider Electric HJL36040UA is a 40 A, three-pole, 600 V circuit breaker engineered for reliable protection and streamlined sensing in modern electrical panels. With integrated potential transformer capabilities, this unit supports accurate metering and protective relay inputs, helping you simplify wiring while maintaining precise voltage monitoring across your three‑phase systems.

Designed for demanding environments, the HJL36040UA covers essential needs in both new installations and panel upgrades. It provides robust overcurrent protection for feeder circuits and branch circuits, while its potential transformer compatibility enables safe, accurate voltage sensing for protection relays and energy metering—reducing signal loss and improving diagnostic visibility.

• Current rating: 40 A
• Poles: 3
• Voltage rating: 600 V
• Part Number: HJL36040UA
• Type: Circuit Breaker with potential transformer integration

Ideal applications

• Industrial control panels and distribution boards in factories and plants
• Commercial electrical rooms requiring dependable three‑phase protection
• OEM panel builds where integrated sensing simplifies wiring and reduces panel footprint
• Systems needing direct compatibility with protective relays and metering equipment

Why this model stands out

• Concrete protection paired with voltage sensing: protect circuits while obtaining scalable voltage signals for metering and relay logic.
• Three-pole design ensures balanced protection across all phases, improving reliability in 3‑phase distributions.
• 600 V insulation rating provides a generous safety margin for industrial environments and panel assemblies.
• Schneider Electric engineering and compatibility: designed to integrate smoothly with Schneider protection relays, meters, and modular panels for cohesive system performance.

Practical guidance for use

• Verify panel compatibility and ensure the available space accommodates a 3‑pole device with PT interface for streamlined wiring.
• Coordinate with downstream protection relays and metering equipment to leverage the potential transformer pathway for accurate voltage sensing.
• Follow standard electrical safety practices during installation and commissioning to maximize protection performance and measurement accuracy.

For engineers and electricians seeking a dependable, purpose‑built solution that combines circuit protection with practical sensing capabilities, the Schneider Electric HJL36040UA delivers precise performance and streamlined integration in a single, compact package.