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Baluff BES Q40KFU-PAC20A-S04G Proximity Sensor
The Baluff BES Q40KFU-PAC20A-S04G proximity sensor provides a 20 mm sensing range with PNP NO/NC switching in a 40x40 housing format. It includes an M12x1 connector, IP67 protection, PBT construction, and operates from 10–30 VDC across -25 to 70 °C. This model belongs to the Baluff sensing portfolio, the wider Baluff Proximity Sensor range, and the BES series, commonly used in industrial automation systems.
| Brand | Balluff |
| Product Type | Proximity Sensor |
| Model Number | BES Q40KFU-PAC20A-S04G |
Baluff BES Q40KFU-PAC20A-S04G Proximity Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Dimension | 40 x 40 x 62 mm |
| Installation | for flush mounting |
| Switching output / Interface | PNP normally open/normally closed (NO/NC) |
| Housing material | PBT |
| Connection | Connector, M12x1-Male, 4-pin |
| Style Housing | 40x40 |
| Range | 20 mm |
| Switching frequency | 400 Hz |
| Material sensing surface | PBT |
| Operating voltage Ub | 10...30 VDC |
| Ambient temperature | -25...70 °C |
| IP rating | IP67 |
| Approval/ Conformity | CE UKCA cULus WEEE |
BES Q40KFU-PAC20A-S04G is a high-performance Balluff 20 mm Proximity Sensor engineered for reliable and precise metal detection in industrial automation. With a proven reputation for innovation and durability, Balluff designs sensors that deliver consistent performance in demanding environments, ensuring accuracy, stability, and long operational life in factory automation applications.
The BES Q40KFU-PAC20A-S04G features a robust 40 × 40 × 62 mm PBT housing suitable for flush mounting, making it ideal for compact installation spaces. Operating on a 10–30 VDC voltage range, it offers both PNP NO/NC switching outputs for flexible integration with PLC systems. Its 20 mm sensing range ensures accurate detection at extended distances, while the 400 Hz switching frequency enables stable and repeatable performance in dynamic automation processes. The PBT sensing face provides strong resistance against mechanical stress and environmental contaminants, and the IP67 protection rating ensures dependable operation even under exposure to dust, moisture, and vibration. Certified to CE, UKCA, and cULus standards, this Balluff 20 mm Proximity Sensor is built to meet international quality and safety requirements, making it a dependable solution for continuous industrial operation.
In practical use, the BES Q40KFU-PAC20A-S04G is commonly installed in conveyor lines, robotic pick-and-place systems, packaging equipment, and assembly machines to detect metallic components accurately without contact. Maintenance engineers value its M12 4-pin connector for quick installation and easy servicing, reducing downtime during production. The rugged, non-corrosive housing ensures stable sensing performance even in environments exposed to oil, heat, or cleaning agents. Whether used in automotive assembly, metal fabrication, or automation testing systems, Balluff Proximity Sensors like this model deliver precision and reliability that keep machines running efficiently.
For engineers and buyers evaluating the Balluff BES Q40KFU-PAC20A-S04G, resources such as the BES Q40KFU-PAC20A-S04G datasheet and BES Q40KFU-PAC20A-S04G manual provide detailed installation, wiring, and performance specifications. To plan procurement, buyers can review the latest BES Q40KFU-PAC20A-S04G price from authorized distributors. Known for their precise engineering and long-term dependability, Balluff sensors continue to set standards in industrial automation, and the BES Q40KFU-PAC20A-S04G remains one of the most trusted models for consistent, high-quality sensing performance.
