Overview
The Balluff BES M18MI-PSC80B-S04K (model BES008M) is a compact, flush-mountable inductive proximity sensor designed for reliable object detection in industrial automation and control applications. This cylindrical M18 sensor detects ferrous and non-ferrous metals with an 8 mm sensing range, making it ideal for positioning, limit switching, and machine safety systems in manufacturing and assembly environments.
Key Features
- M18 x 1 threaded cylindrical housing for flush mounting
- 8 mm detection range with stable, repeatable switching performance
- PNP Normally Open (NO) output with 200 mA switching capacity
- M12 A-coded 3-pin male connector for quick installation
- Operating voltage range 10–30 VDC (rated 24 VDC / 200 mA)
- IP68-rated sealed housing for washdown and dusty environments
- Switching frequency up to 1300 Hz for high-speed applications
- Operating temperature –40 to +85 °C
- CE, UKCA, cULus, and WEEE certified
Technical Specifications
- Part Number: BES M18MI-PSC80B-S04K (BES008M)
- Sensor Type: Inductive Proximity Sensor
- Housing: M18 x 1, brass (nickel-free coated)
- Dimensions: Ø 18 × 56 mm
- Sensing Range: 8 mm
- Switching Output: PNP Normally Open (NO)
- Output Current: 200 mA rated; 5 mA minimum
- Supply Voltage: 10–30 VDC
- Switching Frequency: 1300 Hz
- Connection: M12 A-coded 3-pin male connector
- IP Rating: IP68
- Ambient Temperature: –40 to +85 °C
- Certifications: CE, UKCA, cULus, WEEE, EAC
- Capacitive Load: Max. 0.5 μF at rated voltage
Typical Applications
The BES M18MI-PSC80B-S04K excels in:
- Assembly line and conveyor positioning
- Pneumatic and hydraulic cylinder end-of-travel detection
- Machine guarding and safety interlocks
- Part presence and limit switching
- Packaging equipment and material handling
- Automotive and food processing lines where washdown resistance is required
Compatibility & Replacements
Compatible With
- PLC and PAC systems with 24 VDC supply and PNP input modules
- Industrial control networks (EtherCAT, PROFINET, EtherNet/IP via gateway)
- Safety-rated controllers (when used within certified system design)
- Pneumatic and electromechanical control systems
Replaces / Drop-In Replacement For
- Balluff BES008L (BES M18MI-PSC80B-S04G) – functionally equivalent, longer cable version
- Verify compatibility with your system integrator before ordering alternative models.
Works With
- 24 VDC discrete input modules (most PLC brands)
- Industrial 4.0 gateways and remote I/O terminals
- Fieldbus adapters for legacy Profibus-DP and PROFINET systems
- Standard DIN 43650C and M12 connector wiring standards




