Schneider Electric BJL36045 45A 3-Pole 347 V Circuit Breaker Potential Transformer

Meet the Schneider Electric BJL36045 — a purpose-built, three-pole circuit breaker designed for 347 V three-phase systems with a 45 A current rating. This part is a reliable core in Schneider Electric’s protection lineup, offering precise overcurrent protection and seamless integration with protection and metering schemes that leverage potential-transformer signals.

Key specifications at a glance

• Current rating: 45 A
• Poles: 3
• Voltage rating: 347 V
• Part number: BJL36045
• Type: Circuit breaker designed to work within Schneider Electric protection ecosystems (potential-transformer compatibility in protection/metering applications)

Why this breaker stands out

Industrial and commercial electrical systems rely on dependable, coordinated protection. The BJL36045 is purpose-built for three-phase feeders, providing synchronized interruption capability across all phases at 347 V, while the 45 A rating helps you match protection to the actual load profile. Because it’s a Schneider Electric device with a clear part number (BJL36045), procurement, stocking, and field replacement become straightforward, ensuring minimal downtime and consistent performance across your distribution panels.

Ideal use cases

• Three-phase distribution panels in commercial buildings and light industrial facilities powered by 347 V networks.
• Electrical rooms that rely on protective relays or metering schemes driven by potential transformers.
• Retrofits or new installations where leveraging Schneider Electric’s protection ecosystem ensures compatibility and streamlined maintenance.

How it adds real value

Beyond basic specs, this breaker supports reliable coordination with upstream protection and monitoring systems. By selecting the BJL36045, you’re choosing a part that aligns with Schneider Electric’s broader protective-relay and metering product family, helping maintain consistent safety margins, simpler spare parts planning, and clearer documentation across equipment fleets.

Practical considerations

• Confirm your panel and circuit topology are designed for 347 V three-phase operation.
• Pair with compatible protection relays or metering circuits that utilize potential-transformer signals for accurate monitoring and rapid fault isolation.
• Use the exact part number, BJL36045, to ensure correct fit, electrical characteristics, and availability in future service or expansion projects.