Overview
The Baumer CFDK 25G1125.KS35LN4 (part no. 11076813) is a capacitive proximity sensor engineered for reliable contactless object detection and level sensing in tight spaces. The CFDK 25 series combines a compact footprint with robust sensing performance, making it ideal for OEMs and system integrators who require flexible mounting and consistent detection in diverse environments.
Key Features
- Compact Flat Design: 6mm installation height enables flush mounting directly on tanks, conveyor belts, and confined spaces
- 8mm Sensing Distance: Nominal sensing distance of 8mm provides reliable detection through non-conductive materials
- M8 Flylead Connector: 200mm pre-wired M8 connector simplifies field integration
- PNP Push-Pull Output: 100mA output current supports direct integration with industrial controllers
- IP65 Rating: Dust and moisture protection suitable for washdown and outdoor applications
- Snap-In Design: Tool-free mounting and removal without requiring machine shutdown
- Integrated Protection: Short-circuit and reverse-polarity protection with LED status indication
Technical Specifications
- Nominal Sensing Distance (Sn): 8mm
- Mounting Type: Flush
- Output Circuit: Push-pull (active high)
- Connector: M8 flylead, L=200mm
- Voltage Supply Range: 10–30 VDC
- Current Consumption (no load): 15mA max
- Output Current: 100mA
- Switching Frequency: 35Hz
- Operating Temperature: −25 to +75°C
- Protection Class: IP65
- Housing Material: PA12 (polyamide)
- Sensing Face Material: PA12
- Electrical Protection: Short-circuit protection, reverse-polarity protection
- Output Indicator: Red LED
- Detection Capability: Non-conductive media, bulk goods, fill-level through containers
Typical Applications
- Liquid level detection in tanks and reservoirs (through non-conductive container walls)
- Bulk material and granule detection in hoppers and bins
- Conveyor object counting and position sensing
- Presence/absence detection on assembly lines
- Machine safety and interlock circuits
- Food processing and packaging machinery
Compatibility & Replacements
Compatible With
- PLC and industrial controller systems accepting PNP/push-pull 10–30VDC logic
- Allen-Bradley CompactLogix, ControlLogix, and SLC 500 with appropriate I/O modules
- Siemens SIMATIC S7-1200, S7-1500, and legacy S7-300/400 systems
- Omron, Mitsubishi, and other industrial control platforms supporting standard digital inputs
- Rockwell Studio 5000 and legacy RSLogix automation software
Replaces / Drop-In Replacement For
- CFDK 25G1125/KS35LN4 (alternate part designation)
- Earlier CFDK 25 series models with equivalent sensing distance and connector type (verify with system integrator)
Works With
- Standard 24VDC industrial power supplies and DIN-rail modules
- Modular I/O expansion cards (analog/digital input modules)
- Ethernet industrial networks via compatible gateway modules
- EtherNet/IP, PROFINET, and other industrial protocols when interfaced through appropriate gateways
- Pneumatic and hydraulic control systems via solenoid valve interfaces



