Pepperl+Fuchs NCN8-18GM40-N0-V1 Inductive Proximity Sensor

USD 54.72

M18 non-flush inductive proximity sensor with 8mm sensing, NAMUR output, stainless steel IP67 housing, SIL 2 rated for safety-critical industrial applications.

SKU PEPPERL-FUCHS-NCN8-18GM40-N0-V1 Category
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Pepperl+Fuchs NCN8-18GM40-N0-V1 Inductive Proximity Sensor

Model Identifier NCN8-18GM40-N0-V1
Official Part Number NCN8-18GM40-N0-V1
GTIN Standard NA

Technical Overview

M18 non-flush inductive proximity sensor with 8mm sensing, NAMUR output, stainless steel IP67 housing, SIL 2 rated for safety-critical industrial applications.

Key Features

  • 8 mm non-flush sensing distance.
  • NAMUR output (2-wire), normally closed (NC) switching function.
  • Robust stainless steel 1.4305 / AISI 303 housing and PBT sensing face.
  • Usable up to SIL 2 according to IEC 61508 for functional safety applications.
  • Polarity reversal and short-circuit protected.
  • Wide ambient temperature range of -25 to 100 °C (-13 to 212 °F).
  • M12 x 1, 4-pin connector for electrical connection.
  • IP67 degree of protection against dust and water immersion.
  • Yellow multihole-LED switching state indicator.

NAMUR output with intrinsic safety capabilities, certified up to SIL 2 according to IEC 61508.

Technical Specification Matrix

ParameterValue
Switching functionNormally closed (NC)
Output typeNAMUR, 2-wire
Rated operating distance (sn)8 mm
InstallationNon-flush
Nominal voltage (Uo)8.2 V (Ri approx. 1 kΩ)
Switching frequency (f)0 ... 300 Hz
Hysteresis (H)1 ... 15 % typ. 5 %
Reverse polarity protectionYes
Short-circuit protectionYes
Current consumption (Measuring plate not detected)min. 3 mA
Current consumption (Measuring plate detected)≤ 1 mA
Switching state indicatorMultihole-LED, yellow
Safety Integrity Level (SIL)SIL 2 acc. to IEC 61508
MTTFd1914 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0 %
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Storage temperature-40 ... 100 °C (-40 ... 212 °F)
Connection typeConnector M12 x 1, 4-pin
Housing materialStainless steel 1.4305 / AISI 303
Sensing face materialPBT
Housing diameter18 mm (M18)
Degree of protectionIP67
Physical Weight (kg)0.04
Dimensions L x W x H (cm)5.6 x 2.7 x 2.7

Industrial Applications

1. Position Detection in Hazardous Chemical Processing

This inductive proximity sensor is ideal for precise position detection of metallic components such as valve actuators or gates within chemical processing plants. Its stainless steel housing and IP67 rating ensure durability and resistance to corrosive chemicals and frequent washdowns. The NAMUR output is intrinsically safe, making it suitable for hazardous areas (Ex applications), while the SIL 2 rating provides high reliability for safety-critical functions.

Problem Solved

Safely and reliably detects the presence or position of metallic parts in corrosive and potentially explosive atmospheres, preventing incorrect operations or spills.

Intrinsic SafetyHazardous AreaChemical ResistancePosition SensingSIL 2NAMURIP67

2. Object Detection on Conveyor Systems in Food & Beverage

The sensor's robust stainless steel housing and IP67 rating make it perfectly suited for object detection on conveyor belts in food and beverage production facilities, where stringent hygiene standards require regular washdowns. Its 8 mm non-flush sensing distance can reliably detect various metallic containers or products, and the wide operating temperature range accommodates different processing environments.

Problem Solved

Accurately detects and tracks metallic items on production lines in hygienic environments, enabling automated sorting, counting, and process control while withstanding rigorous cleaning protocols.

Food & BeverageConveyor SystemObject DetectionStainless SteelIP67WashdownIndustrial Automation

3. End-of-Travel Detection in Industrial Machinery

With its durable stainless steel M18 housing, this sensor provides reliable end-of-travel or home position detection for moving metallic machine parts, such as hydraulic cylinders or machine slides. The 8 mm non-flush sensing distance is effective even when the target is not perfectly flush. The NAMUR output, integrated with an appropriate switch amplifier, delivers a dependable signal for machine control, enhancing operational precision and machine safety due to its SIL 2 capability.

Problem Solved

Ensures precise and safe operation of automated industrial machinery by accurately detecting the limits of movement for metallic components, contributing to collision avoidance and optimized cycle times.

End-of-TravelMachine AutomationPosition ControlInductive SensingNAMURRobust DesignSIL 2
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