In most procurement cycles, BES-M12ME-GNX40B-S04G-EEX-BES02ZU is considered with Sick Proximity Sensor, Balluff Sensors and Bes Q40Kfu Pac20A S04G, giving decision-makers confidence that they’ve chosen the most dependable component.
Baluff BES M12ME-GNX40B-S04G-EEX Proximity Sensor
The Baluff BES M12ME-GNX40B-S04G-EEX proximity sensor provides a 4 mm sensing range with NAMUR interface in a compact M12 housing. It features an M12x1 connector, nickel-free brass construction, PBT sensing face, and operates from 7.7–9 VDC within -20 to 70 °C. This model belongs to the Baluff sensing lineup, the Baluff Proximity Sensor category, and the BES series, suited for hazardous industrial zones.

| Brand | Balluff |
| Product Type | Proximity Sensor |
| Model Number | BES M12ME-GNX40B-S04G-EEX |
Baluff BES M12ME-GNX40B-S04G-EEX Proximity Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Dimension | Ø 12 x 45 mm |
| Installation | for flush mounting |
| Switching output / Interface | NAMUR |
| Housing material | Brass, Nickel-free coated |
| Connection | Connector, M12x1-Male, 4-pin |
| Style Housing | M12x1 |
| Range | 4 mm |
| Switching frequency | 700 Hz |
| Material sensing surface | PBT |
| Operating voltage Ub | 7.7...9 VDC |
| Ambient temperature | -20...70 °C |
| IP rating | - |
| Approval/ Conformity | CE, ATEX, IECEx, FM, cCSAus, WEEE, CCC Ex |
BES M12ME-GNX40B-S04G-EEX is a high-reliability Balluff NAMUR Proximity Sensor engineered for precise metal detection in hazardous and explosive environments. Built by Balluff, a globally trusted automation brand, this Proximity Sensor delivers dependable performance and safety for industries that demand accuracy and ATEX-certified sensing technology.
The BES M12ME-GNX40B-S04G-EEX features a compact Ø12 × 45 mm brass housing with a nickel-free coating for corrosion resistance and longevity. Designed for flush mounting, it operates within a safe voltage range of 7.7–9 VDC and follows the NAMUR interface standard, ensuring compatibility with intrinsically safe circuits. With a 4 mm sensing range and a fast 700 Hz switching frequency, this model ensures consistent and accurate object detection even in challenging automation environments. Its PBT sensing face enhances chemical resistance and durability, while certifications such as ATEX, IECEx, FM, and cCSAus make it suitable for explosive atmospheres in oil, gas, chemical, and process industries. The Balluff NAMUR Proximity Sensor provides engineers with a compact, reliable, and intrinsically safe solution for hazardous area applications where precision and safety compliance are critical.
In industrial practice, the BES M12ME-GNX40B-S04G-EEX is used for valve position feedback, conveyor monitoring, tank level detection, and automation inside classified zones. Engineers value this sensor for its stable switching performance, ease of integration, and explosion-proof design. The M12 4-pin connector allows secure and quick installation, reducing downtime during maintenance. Its rugged construction ensures continuous operation in environments exposed to heat, vibration, or chemical vapors. Whether deployed in petrochemical plants, refineries, or process automation systems, Balluff Proximity Sensors like this model deliver accurate and reliable performance while maintaining the highest safety standards for hazardous locations.
For engineers seeking more details, the BES M12ME-GNX40B-S04G-EEX datasheet and BES M12ME-GNX40B-S04G-EEX manual provide complete wiring diagrams, electrical characteristics, and installation guidance. To plan purchases or system upgrades, checking the current BES M12ME-GNX40B-S04G-EEX price from authorized distributors ensures genuine and compliant sourcing. With advanced NAMUR sensing technology and globally recognized certifications, the BES M12ME-GNX40B-S04G-EEX continues to be one of the most trusted Balluff NAMUR Proximity Sensors for safe and precise metal detection in hazardous industrial environments.




