CM12-08EBP-KW1 Capacitive Proximity Sensors – SICK Sensor

Optimize your automation with the SICK CM12-08EBP-KW1 (6051029). Featuring an 8mm sensing range, IP68 protection, and programmable NPN/PNP output for reliable detection.

SKU SICK-6051029 Category SICK CM

Product Overview

Part Number: 6051029
Model: CM12-08EBP-KW1
Sensing Range: 0.5 mm to 8 mm (adjustable)
Housing Type: M12 x 1 Cylindrical thread design
Installation: Non-flush or flush mounting options
Electrical Design: DC 4-wire (10 V DC to 36 V DC)
Switching Output: PNP / NPN (Automatic load detection)
Connection: 2-meter PVC cable
Enclosure Rating: IP68 (waterproof and dust-tight)

Product Description

The SICK CM12-08EBP-KW1 (6051029) is a high-performance capacitive proximity sensor designed for intelligent object and fill-level detection in demanding industrial environments. Built with a compact M12 cylindrical plastic housing, this sensor offers a versatile sensing range of up to 8 mm, which can be precisely tuned using the integrated Teach-in button or an external control wire.

Engineered for maximum flexibility, the CM12 features automatic load detection, allowing it to function as either a PNP or NPN output without requiring separate variants. Users can also program the output function to be normally open (NO) or normally closed (NC) during the setup process. With its robust IP68 enclosure rating, the sensor is highly resistant to moisture, dust, and vibration, ensuring consistent performance even in harsh conditions. Its advanced electromagnetic compatibility (EMC) minimizes switching errors caused by interference. By enabling non-contact detection through non-metallic container walls, the CM12-08EBP-KW1 reduces installation time and simplifies maintenance, making it a cost-effective solution for modern automation systems.

Key Performance Features

Intelligent Teach-In: Easy sensitivity adjustment via a physical button or remote control cable for background suppression.
High EMC Resistance: Enhanced electromagnetic compatibility prevents false triggers in noisy electrical environments.
Dual Output Compatibility: Automatic detection of NPN or PNP loads reduces the need for multiple spare part variants.
Programmable Logic: Flexible switching logic (NO/NC) selectable via the Teach-in procedure.
Robust Durability: High shock and vibration resistance (30 g, 11 ms) and a wide operating temperature range of –20 °C to +85 °C.
Signal Monitoring: Features a dual LED indicator system (Yellow: output active; Green: power and signal reserve).

Ideal Applications

Fill-Level Monitoring: Detecting liquids (water, oils, chemicals) or bulk solids (powders, grains) through plastic or glass container walls.
Object Detection: Identifying presence in packaging, wood processing, and paper industries.
Food & Beverage: Reliable sensing in washdown areas due to the IP68 rating and chemical-resistant housing.
Automated Assembly: Detecting small components or checking the completeness of kits in compact machinery.
Solar & Electronics: Monitoring wafer presence or PCB handling where precise non-contact detection is required.

Features

Housing	Cylindrical thread design
Thread size	M12 x 1
Diameter	Ø 12 mm
Sensing range S_n	0.5 mm … 8 mm ¹⁾ 0.5 mm … 4 mm ²⁾
Safe sensing range S_a	5.76 mm
Installation type	Non-flush / flush ³⁾
Switching frequency	15 Hz
Connection type	Cable, 4-wire, 2 m ⁴⁾
Switching output	PNP / NPN
Output function	Programmable
Output characteristic	Wire configurable ⁵⁾
Electrical wiring	DC 4-wire
Adjustment	Single teach-in button (Sensitivity) Cable (Sensitivity)
Enclosure rating	IP68 ⁶⁾ ⁷⁾

¹⁾ For non-flush installation.
²⁾ For flush mounting.
³⁾ For flush mounting, Teach-in necessary.
⁴⁾ Do not bend below 0 °C.
⁵⁾ Automatic detection.
⁶⁾ According to EN 60529.
⁷⁾ 1.3 m water depth / 60 min.

Mechanics/electronics

Supply voltage	10 V DC … 36 V DC
Ripple	≤ 10 % ¹⁾
Voltage drop	≤ 2.5 V DC ²⁾
Current consumption	12 mA ³⁾
Time delay before availability	≤ 120 ms
Hysteresis	3 % … 20 %
Reproducibility	≤ 5 % ⁴⁾ ⁵⁾
EMC	According to EN 60947-5-2 ⁶⁾
Continuous current I_a	≤ 200 mA
Cable material	PVC
Conductor size	0.14 mm²
Short-circuit protection	✔
Reverse polarity protection	✔
Power-up pulse protection	✔
Shock and vibration resistance	30 g, 11 ms / 10 … 55 Hz, 1 mm
Ambient operating temperature	–20 °C … +85 °C
Ambient temperature, storage	–40 °C … +85 °C
Housing material	Plastic
Housing length	84.7 mm
Thread length	46.5 mm
Tightening torque, max.	≤ 1 Nm
Items supplied	Mounting nut, PA12 plastic (2x)
UL File No.	NRKH.E191603

¹⁾ Of Ub.
²⁾ At I_a max.
³⁾ Without load.
⁴⁾ Of Sr.
⁵⁾ Ub and Ta constant.
⁶⁾ For non-flush installation min. 1 x Sn and sensor grounded.

Safety-related parameters

MTTF_D	603 years
DC_avg	0 %
T_M (mission time)	20 years

Reduction factors

Note	The values are reference values which may vary
Metal	1
Water	1
PVC	Approx. 0.4
Oil	Approx. 0.25
Glass	0.6
Ceramics	0.5
Alcohol	0.7
Wood	0.2 … 0.7