Overview
The Baumer CFDK 25G1125/KS35LN4 is a flat capacitive proximity sensor designed for reliable object and level detection in industrial applications. With a compact profile and straightforward operation, this sensor provides non-contact detection without adjustment or complex setup. The unit is manufactured to German quality standards and rated for harsh environments.
Key Features
- 8mm nominal sensing distance with push-pull output circuit
- Compact flat design with only 6mm installation height—ideal for space-constrained applications
- Flush-mounting capability for direct tank or conveyor mounting
- M8 flylead connector (200mm cable) for quick integration
- Detects non-conductive materials, liquids, and bulk solids
- Red LED output indicator for visual status confirmation
- PA12 housing with snap-in/snap-out mounting—no tools required
- Built-in short-circuit and reverse-polarity protection
Technical Specifications
- Nominal Sensing Distance (Sn): 8 mm
- Voltage Supply Range: 10–30 VDC
- Current Consumption (no load): 15 mA max
- Output Function: Active high (PNP NO)
- Output Circuit: Push-pull
- Output Current: 100 mA
- Voltage Drop (Vd): <3 VDC
- Operating Temperature Range: −25 to +75 °C
- Temperature Drift: ±20%
- Ingress Protection Rating: IP65
- Housing Material: PA12 (polyamide)
- Mounting Type: Flush, snap-in/snap-out
- Connector Type: M8 flylead, 200mm cable
- Measurement Method: Contactless (capacitive)
- Manufacturer Part Number: 11076813
Typical Applications
The Baumer CFDK 25G1125/KS35LN4 is widely used for:
- Tank and container fill-level detection for liquids and powders
- Conveyor belt object detection and position sensing
- Industrial packaging and material handling automation
- Machine guarding and safety interlocks
- Non-contact detection of plastic, cardboard, foam, and other low-conductivity materials
- Process automation and production line control
Compatibility & Replacements
Compatible With
- Industrial PLC systems and controllers accepting 10–30 VDC sensor inputs
- Standard 24 VDC automation power supplies
- Digital input modules with push-pull/PNP compatibility
- Panel-mount and field-mounted automation architectures
- Machine control systems requiring non-contact level or proximity sensing
Replaces / Drop-In Replacement For
- Other Baumer CFDK 25 variants with different sensing distances (2mm, 4mm, 12mm, 15mm range models)
- Generic capacitive proximity sensors with equivalent 8mm sensing range and push-pull output
- Note: Verify mechanical and electrical compatibility with your system integrator before ordering alternative sensor families.
Works With
- Standard 24 VDC industrial control systems
- Analog and digital PLC input modules (discrete 24V inputs)
- Programmable logic controllers from Allen-Bradley, Siemens, Mitsubishi, Omron, and Schneider Electric
- Any industrial automation system with 10–30 VDC excitation and high-impedance input stages
- EtherCAT and industrial Ethernet fieldbus networks (via appropriate I/O interface modules)
