CM18-12NNP-EC1

Capacitive Proximity Sensor, CM Series, 12 mm, Complementary NPN, M18 x 1, 10 V to 36V

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Manufacturer: SICK
Product type: Capacitive Proximity Sensors
SVHC: No SVHC (21-Jan-2025)
IP Rating: IP68, IP69K
Sensor Type: Capacitive Proximity Sensor
Product Range: CM Series
Sensor Terminals: 4 Pin M12 Connector
Sensing Range Max: 12mm
Sensor Output Type: Complementary NPN
Supply Voltage Max: 36VDC
Supply Voltage Min: 10VDC
Sensing Distance Max: 12mm
Sensing Distance Min: 3mm
Sensor Body Material: PBT (Polybutylene Terephthalate)
Thread Size - Metric: M18 x 1
Sensor Case / Package: -
Supply Voltage DC Max: 36V
Supply Voltage DC Min: 10V
Operating Temperature Max: 85°C
Operating Temperature Min: -30°C

Delivery and price
Units per pack	50
Price	86.78 €
Current stock	10+
Lead time	30 days

Datasheet

CM18-12NNP-EC1 CM 

**CAPACITIVE PROXIMITY SENSORS** 

**CM18-12NNP-EC1 | CM** CAPACITIVE PROXIMITY SENSORS 

Ordering information **Type Part no.** CM18-12NNP-EC1 6058151 Other models and accessories www.sick.com/CM % lili... Illustration may differ C€ ECOLAB (Gs E ~~A~~ CA 

Detailed technical data 

Features 

|**Housing**|Cylindrical thread design|
|---|---|
|**Thread size**|M18 x 1|
|**Diameter**|Ø 18 mm|
|**Sensing range Sn**|3 mm ... 12 mm|
|**Safe sensing range Sa**|9.18 mm1)|
|**Installation type**|Non-flush|
|**Switching frequency**|50 Hz|
|**Connection type**|Male connector M12, 4-pin|
|**Switching output**|NPN|
|**Output function**|Complementary|
|**Output characteristic**|Wire configurable|
|**Electrical wiring**|DC 4-wire|
|**Adjustment**|Potentiometer, 11 turns (Sensitivity)|
|**Enclosure rating**|IP682)<br>IP69K|
|**Items supplied**|Mounting nut, PA12 plastic (2x)<br>Screwdriver for potentiometer adjustment (1 x)|



1) For flush mounting in electrically conductive materials Sa = 0.8 x Sr at temperatures <0 °C and >60 °C. 

2) 1 m water depth / 60 min. 

**Product data sheet | 2024-01-09 09:32:39 Subject to change without notice** 

**2** 

**CAPACITIVE PROXIMITY SENSORS | SICK** 

**CM18-12NNP-EC1 | CM** CAPACITIVE PROXIMITY SENSORS 

## Mechanics/electronics 

|**Supply voltage**|10 V DC ... 36 V DC|
|---|---|
|**Ripple**|≤ 10 %1)|
|**Voltage drop**|≤ 2.5 V DC2)|
|**Current consumption**|12 mA3)|
|**Time delay before availability**|≤ 200 ms|
|**Hysteresis**|3 % ... 20 %|
|**Reproducibility**|≤ 5 %4) 5)|
|**Temperature drift (of Sr)**|± 10 %|
|**EMC**|According to EN 60947-5-2|
|**Continuous current Ia**|≤ 200 mA|
|**Short-circuit protection**|✔|
|**Reverse polarity protection**|✔|
|**Power-up pulse protection**|✔|
|**Shock and vibration resistance**|According to EN 60068|
|**Ambient operating temperature**|–30 °C ... +85 °C6)|
|**Ambient temperature, storage**|–40 °C ... +85 °C|
|**Housing material**|Plastic, PBT|
|**Housing length**|85 mm|
|**Thread length**|47 mm|
|**Tightening torque, max.**|≤ 2.6 Nm|
|**UL File No.**|NRKH.E191603|



1) Of Ub. 2) At Ia max. 

3) Without load. 

4) Of Sr. 

5) Supply voltage Ub and constant ambient temperature Ta. 

6) +120 °C short time, at the front of the sensor. 

## Safety-related parameters 

|**MTTFD**|919 years|
|---|---|
|**DCavg**|0 %|
|**TM (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|



**2024-01-09 09:32:39 | Product data sheet Subject to change without notice** 

**CAPACITIVE PROXIMITY SENSORS | SICK** 

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**CM18-12NNP-EC1 | CM** CAPACITIVE PROXIMITY SENSORS 

## **Wood** 

0.2 ... 0.7 

## Installation note 

**==> picture [294 x 364] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|Remark|Associated graphic see "Installation"|
|A|18 mm|
|B|36 mm|
|C|18 mm|
|D|36 mm|
|E|8 mm|
|Classifications|
|eCl@ss 5.0|27270102|
|eCl@ss 5.1.4|27270102|
|eCl@ss 6.0|27270102|
|eCl@ss 6.2|27270102|
|eCl@ss 7.0|27270102|
|eCl@ss 8.0|27270102|
|eCl@ss 8.1|27270102|
|eCl@ss 9.0|27270102|
|eCl@ss 10.0|27270102|
|eCl@ss 11.0|27270102|
|eCl@ss 12.0|27274201|
|ETIM 5.0|EC002715|
|ETIM 6.0|EC002715|
|ETIM 7.0|EC002715|
|ETIM 8.0|EC002715|
|UNSPSC 16.0901|39122230|

**----- End of picture text -----**<br>


## Classifications 

## Installation note Non-flush installation Shock and vibration resistance Shock (IEC 60068-2-27): 30 G / 11ms, 3 pos, 3 neg per axis Rough handling shocks (IEC 60068-2-31): 2 times from 1m, 100 times from 0,5m Vibration (IEC 60068-2-6): 10 to 150 Hz, 1 mm / 15 G or x8 **4 CAPACITIVE PROXIMITY SENSORS | SICK** 

**Product data sheet | 2024-01-09 09:32:39 Subject to change without notice** 

**CM18-12NNP-EC1 | CM** CAPACITIVE PROXIMITY SENSORS 

## Electromagnetic compatibility (EMC) 

|Electrostatic discharge (EN61000-4-2):|Contact discharge > 40 kV|Contact discharge > 40 kV|
|---|---|---|
||Air discharge > 40 kV||
|Electrical fast transients/burst (EN 61000-4-4):|+/- 4 kV||
|Surge (EN 61000-4-5):|Power supply > 2 kV (with 500 Ohm)||
||Sensor output > 2 kV (with 500 Ohm)||
|Wire conducted disturbances (EN 61000-4-6):|>|20 Vrms|
|Power-frequency magnetic f elds (EN 61000-4-8):|Continous > 60 A/m, 75.9 µ tesla||
||Short-time > 600 A/m, 759 µ tesla||
|Radiated RF electromagnetic f elds (EN 61000-4-3):|>|20 V/m|



## Connection diagram 

## Cd-006 

**==> picture [59 x 66] intentionally omitted <==**

**----- Start of picture text -----**<br>
BN 1<br>+ (L+)<br>BK 4<br>NO<br>WH 2<br>NC<br>BU 3<br>-  (M)<br>**----- End of picture text -----**<br>


## Response diagram 

CM18, Non-flush installation 

**==> picture [186 x 157] intentionally omitted <==**

**----- Start of picture text -----**<br>
mm (inch)<br>20<br>(0.79)<br>10<br>(0.39)<br>0<br>–10<br>(–0.39)<br>–20<br>(–0.79)<br>0 2 4 6 8 10 12 14<br>(0.08) (0.16) (0.24) (0.31) (0.39) (0.47) (0.55)<br>Distance in mm (inch)<br>**----- End of picture text -----**<br>


**2024-01-09 09:32:39 | Product data sheet Subject to change without notice** 

**CAPACITIVE PROXIMITY SENSORS | SICK** 

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**CM18-12NNP-EC1 | CM** CAPACITIVE PROXIMITY SENSORS 

## Dimensional drawing (Dimensions in mm (inch)) 

## CM18, non-flush, connector 

**==> picture [241 x 110] intentionally omitted <==**

**----- Start of picture text -----**<br>
85 (3.35)<br>70 (2.76)<br>LED<br>Mc os<br>15<br>8 (0.31) (0.59)<br>①   Potentiometer for sensitivity adjustment<br>②   LED yellow: status indicator<br>M12 x 1<br>M18 x 1 x 47<br>**----- End of picture text -----**<br>


- ③ LED green: operating indicator 

## Recommended accessories 

## Other models and accessories www.sick.com/CM 

Other models and accessories www.sick.com/CM **Brief description Type Part no.** Universal bar clamp systems ~~a~~ Plate N06 for universal clamp bracket, M18, Zinc plated steel (sheet), Zinc die cast BEF-KHS-N06 2051612 (clamping bracket), Universal clamp (5322626), mounting hardware Plate N06N for universal clamp bracket, M18, Stainless steel 1.4571 (sheet), Stainless BEF-KHS-N06N 2051622 steel 1.4408 (clamp), Universal clamp (5322627), mounting hardware Mounting brackets and plates ~~re~~ Mounting plate for M18 sensors, steel, zinc coated, without mounting hardware BEF-WG-M18 5321870 Mounting bracket for M18 sensors, steel, zinc coated, without mounting hardware BEF-WN-M18 5308446 ~~5 we~~ Plug connectors and cables ~~&~~ Head A: female connector, M12, 4-pin, straight, A-coded ~~ée&~~ YF2A14- ~~=~~ 2095607 Head B: Flying leads 020UB3XLEAX Cable: Sensor/actuator cable, PUR, halogen-free, unshielded, 2 m ~~x —=~~ Head A: female connector, M12, 4-pin, straight, A-coded YF2A142096234 Head B: Flying leads 020VB3XLEAX Cable: Sensor/actuator cable, PVC, unshielded, 2 m Head A: female connector, M12, 4-pin, straight, A-coded YF2A142095608 ~~~ |~~ Head B: Flying leads 050UB3XLEAX Cable: Sensor/actuator cable, PUR, halogen-free, unshielded, 5 m ~~x ss~~ Head A: female connector, M12, 4-pin, straight, A-coded YF2A142096235 Head B: Flying leads 050VB3XLEAX Cable: Sensor/actuator cable, PVC, unshielded, 5 m Head A: female connector, M12, 4-pin, angled, A-coded YG2A142095766 ~~~ |~~ Head B: Flying leads 020UB3XLEAX Cable: Sensor/actuator cable, PUR, halogen-free, unshielded, 2 m ~~we~~ 

**6** 

**Product data sheet | 2024-01-09 09:32:39 Subject to change without notice** 

**CAPACITIVE PROXIMITY SENSORS | SICK** 

**CM18-12NNP-EC1 | CM** CAPACITIVE PROXIMITY SENSORS 

|Head A: female connector, M12, 4-pin, angled, A-coded<br>Head B: Flying leads<br>Cable: Sensor/actuator cable, PVC, unshielded, 2 m|YG2A14-<br>020VB3XLEAX|2095895|
|---|---|---|
|Head A: female connector, M12, 4-pin, angled, A-coded<br>Head B: Flying leads<br>Cable: Sensor/actuator cable, PUR, halogen-free, unshielded, 5 m|YG2A14-<br>050UB3XLEAX|2095767|
|Head A: female connector, M12, 4-pin, angled, A-coded<br>Head B: Flying leads<br>Cable: Sensor/actuator cable, PVC, unshielded, 5 m|YG2A14-<br>050VB3XLEAX|2095897|
|Head A: female connector, M12, 4-pin, straight<br>Cable: unshielded|DOS-1204-G|6007302|
|Head A: female connector, M12, 4-pin, angled<br>Cable: unshielded|DOS-1204-W|6007303|



**2024-01-09 09:32:39 | Product data sheet Subject to change without notice** 

**CAPACITIVE PROXIMITY SENSORS | SICK** 

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## SICK At A GlAnCe 

SICK is one of the leading manufacturers of intelligent sensors and sensor solutions for industrial applications. A unique range of products and services creates the perfect basis for controlling processes securely and efficiently, protecting individuals from accidents and preventing damage to the environment. 

We have extensive experience in a wide range of industries and understand their processes and requirements. With intelligent sensors, we can deliver exactly what our customers need. In application centers in Europe, Asia and North America, system solutions are tested and optimized in accordance with customer specifications. All this makes us a reliable supplier and development partner. 

Comprehensive services complete our offering: SICK lifetime Services provide support throughout the machine life cycle and ensure safety and productivity. 

For us, that is “Sensor Intelligence.” 

## WOrldWIde preSenCe: 

Contacts and other locations www.sick.com 

SICK AG | Waldkirch | Germany | www.sick.com

Updated at April 24, 2026

SICK is a globally recognized leader in factory and logistics automation technology, renowned for engineering advanced sensors and developing innovative digital services. Driven by a commitment to high precision, reliability, and versatility, the company provides the foundational components required to transform traditional manufacturing processes into intelligent, self-optimizing systems that adapt autonomously using real-time data. Our comprehensive selection of SICK products is heavily focused on their industry-leading sensing technologies. We offer a robust portfolio of light sensors designed to deliver exceptional accuracy and performance in demanding industrial environments. Furthermore, our extensive range features high-quality proximity sensors and switches, providing the dependable object detection essential for automated production, packaging, and material handling applications. To ensure seamless integration of these advanced sensor networks, our offering is complemented by specialized connectivity solutions such as SICK fiber optic lead assemblies. From consumer goods and electronics to logistics and automotive manufacturing, SICK delivers the cutting-edge automation technology necessary to maximize operational efficiency and maintain continuous, reliable performance across diverse industrial sectors.

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