Schneider Electric HJL36045SN 45A 3-Pole 600 V Circuit Breaker

The Schneider Electric HJL36045SN is a purpose-built protection solution for 3-phase electrical systems, delivering dependable overload and short-circuit protection at the point of use. With a 45 A rating across three poles and a 600 V maximum, this circuit breaker is engineered to safeguard your equipment while keeping downtime to a minimum.

Why choose the Schneider Electric HJL36045SN?

• Three-pole design provides balanced protection for 3-phase circuits, helping to prevent phase imbalances that can stress motors and drives.
• 45 A current rating aligns with medium-duty commercial and light-industrial loads, making it suitable for motor feeders, panel boards, and distribution networks.
• 600 V voltage rating supports higher-voltage applications common in commercial installations, delivering reliable protection across your system.
• Re-settable protection means quick recovery after a fault, reducing downtime compared with single-use fuses and enabling faster system restart.

Ideal use cases

• 3-phase motor circuits in manufacturing floors, HVAC equipment, and conveyors
• Distribution panels and feeder lines in commercial buildings
• Electrical installations where reliable, repeatable protection is essential for uptime

What it protects and how it helps

The HJL36045SN acts as a safeguard against electrical faults that can damage wiring, components, and connected equipment. By interrupting excessive current in a controlled manner, it helps prevent overheating, insulation damage, and costly equipment downtime. For facilities relying on steady power distribution, this circuit breaker supports safe operation and easier maintenance planning.

Key specifications

• Current rating: 45 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HJL36045SN

Practical tips for optimal use

• Pair with compatible Schneider Electric panels and feeders to ensure clean integration and consistent performance.
• Use in 3-phase systems where motor loads or heavy machinery require reliable protection with quick reset after fault conditions.
• Label circuits clearly to streamline troubleshooting and quicker re-energization after an interruption.