Eaton BQL340 40A 3-Pole 240 V Circuit Breaker

Eaton BQL340 is a 40-amp, 3-pole, 240-volt circuit breaker designed to deliver reliable overcurrent protection in commercial and industrial panels. With part number BQL340, this unit is tailored for 3-phase distribution, safeguarding three conductors in a single, compact device and helping keep critical equipment up and running.

Why this breaker stands out

• Precise 40 A protection for feeders and motor circuits, reducing the risk of insulation damage and unexpected downtime due to overloads.
• Three-pole design ideal for 3-phase, 240 V distribution, providing synchronized protection across all conductors in a single component.
• Part of the Eaton BQL family—a trusted lineage known for consistent performance within compatible panels and devices.
• Straightforward integration with standard 3-pole, 240 V panels, making installation and future replacements straightforward.

Ideal use cases

• Protection for three-phase motors, pumps, conveyors, and HVAC equipment in manufacturing facilities, warehouses, and processing plants.
• Branch protection for 3-phase feeders feeding mid-size distribution panels and equipment racks.

Practical impact for your electrical system

• Prevents costly damage from short circuits and overloads, helping extend equipment life and reduce maintenance downtime.
• Clear part-numbering (BQL340) simplifies procurement, stocking, and service planning for maintenance teams.
• Consistent performance across typical operating conditions, supporting safer, more predictable panel operation.

Tips for installation and selection

• Confirm that your panel accepts BQL-series breakers and that a 3-pole, 240 V configuration matches your system design.
• Keep the exact part number on hand for future replacements or inventory control within your electrical maintenance program.
• Follow standard safety practices during installation and ensure proper labeling of protected circuits for easy identification.

For reliable three-phase protection at 240 V, the Eaton BQL340 40A 3-Pole Circuit Breaker offers precise current limiting, streamlined maintenance, and dependable performance in demanding commercial and industrial settings.