Many procurement teams check BES-Q40KFU-PAC35E-S04G-BES021H against Sick Proximity Sensor, Balluff Sensors and Bes Q40Kfu Pac20A S04G before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Baluff BES Q40KFU-PAC35E-S04G Proximity Sensor
The Baluff BES Q40KFU-PAC35E-S04G proximity sensor provides a 35 mm sensing range with PNP NO/NC switching in a 40x40 housing design. It includes an M12x1 connector, IP67 protection, PBT construction, and operates from 10–30 VDC across -10 to 70 °C. This model belongs to the Baluff sensing portfolio, the Baluff Proximity Sensor family, and the BES series, widely used in industrial automation.

| Brand | Balluff |
| Product Type | Proximity Sensor |
| Model Number | BES Q40KFU-PAC35E-S04G |
Baluff BES Q40KFU-PAC35E-S04G Proximity Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Dimension | 40 x 40 x 62 mm |
| Installation | non-flush |
| Switching output / Interface | PNP normally open/normally closed (NO/NC) |
| Housing material | PBT |
| Connection | Connector, M12x1-Male, 4-pin |
| Style Housing | 40x40 |
| Range | 35 mm |
| Switching frequency | 250 Hz |
| Material sensing surface | PBT |
| Operating voltage Ub | 10...30 VDC |
| Ambient temperature | -10...70 °C |
| IP rating | IP67 |
| Approval/ Conformity | CE UKCA cULus WEEE |
BES Q40KFU-PAC35E-S04G is a high-performance Balluff Non-flush Proximity Sensor designed for accurate and contactless detection of metallic objects in automation systems. Known for exceptional build quality and precision engineering, Balluff offers Proximity Sensors that deliver consistent performance, long service life, and reliability in demanding industrial environments.
The BES Q40KFU-PAC35E-S04G features a durable 40 × 40 × 62 mm PBT housing that supports non-flush installation for extended sensing performance. It operates on a 10–30 VDC voltage range and provides PNP NO/NC switching outputs for flexible connectivity to control systems. With a powerful 35 mm sensing range and a 250 Hz switching frequency, this sensor ensures precise and stable detection of metal targets, even in applications involving rapid movement. Its PBT sensing surface offers excellent resistance to chemicals and mechanical wear, while the IP67 protection rating guarantees reliable operation in wet or dusty conditions. Certified to CE, UKCA, and cULus standards, the Balluff Non-flush Proximity Sensor combines high sensitivity with industrial-grade durability—making it ideal for automation environments where stability and accuracy are critical.
In industrial applications, the BES Q40KFU-PAC35E-S04G is widely used in automated conveyor systems, packaging lines, machine tools, and material handling stations. Engineers prefer this model for its extended detection range and quick-response sensing, which help in identifying metal objects without direct contact, reducing wear and downtime. The M12 4-pin connector design allows easy installation, maintenance, and replacement. Its non-flush configuration enables better detection of recessed or large targets, making it particularly effective for assembly automation, pallet detection, and positioning systems. Whether in harsh manufacturing conditions or precision-driven production setups, Balluff Proximity Sensors provide unmatched reliability and efficiency to ensure smooth and safe machine operation.
For detailed specifications, engineers can refer to the BES Q40KFU-PAC35E-S04G datasheet and BES Q40KFU-PAC35E-S04G manual for technical data, wiring diagrams, and mounting guidelines. Those planning purchases can review the latest BES Q40KFU-PAC35E-S04G price from authorized distributors for genuine availability. Designed with precision and engineered for industrial strength, the BES Q40KFU-PAC35E-S04G remains one of the most dependable Balluff Non-flush Proximity Sensors for achieving accuracy, stability, and long-term performance in automation systems.




