Pepperl+Fuchs NCB8-18GM40-N0 Inductive Proximity Sensor

USD 23.38

M18 inductive sensor with 8mm flush sensing, NAMUR output, 8.2V, IP66/IP67 stainless steel housing, and -25 to 100°C operating range.

SKU PEPPERL-FUCHS-NCB8-18GM40-N0 Category
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Pepperl+Fuchs NCB8-18GM40-N0 Inductive Proximity Sensor

Model Identifier NCB8-18GM40-N0
Official Part Number NCB8-18GM40-N0
GTIN Standard NA

Technical Overview

M18 inductive sensor with 8mm flush sensing, NAMUR output, 8.2V, IP66/IP67 stainless steel housing, and -25 to 100°C operating range.

Key Features

  • Normally closed (NC) switching function.
  • Rated operating distance (sn) of 8 mm with flush installation.
  • Nominal voltage (Uo) of 8.2 V (Ri approx. 1 kΩ), adhering to NAMUR standards.
  • High switching frequency up to 1500 Hz for fast detection.
  • Constructed with a stainless steel 1.4305 / AISI 303 housing and a PBT sensing face.
  • Offers IP66 and IP67 degree of protection against dust and water ingress.
  • Equipped with reverse polarity and short-circuit protection for enhanced safety.
  • Wide operating temperature range from -25 °C to 100 °C (-13 °F to 212 °F).
  • Usable up to SIL 2 according to IEC 61508 for functional safety applications.
  • Features a visible yellow multihole-LED switching state indicator.

NAMUR output for intrinsically safe applications, ensuring high reliability and compliance in hazardous areas.

Technical Specification Matrix

ParameterValue
Switching FunctionNormally closed (NC)
Output TypeNAMUR, 2-wire
Rated Operating Distance (sn)8 mm
InstallationFlush
Nominal Voltage (Uo)8.2 V (Ri approx. 1 kΩ)
Switching Frequency (f)0 ... 1500 Hz
Hysteresis (H)1 ... 15 typ. 5 %
Reverse Polarity ProtectionYes
Short-Circuit ProtectionYes
Current Consumption (Measuring plate not detected)≥ 2.2 mA
Current Consumption (Measuring plate detected)≤ 1 mA
Switching State IndicatorMultihole-LED, yellow
Ambient Temperature-25 ... 100 °C (-13 ... 212 °F)
Storage Temperature-40 ... 100 °C (-40 ... 212 °F)
Housing MaterialStainless steel 1.4305 / AISI 303
Sensing Face MaterialPBT
Degree of ProtectionIP66 / IP67
DiameterM18
Connection Type2m PVC cable
Physical Weight (kg)0
Dimensions L x W x H (cm)4 x 1.8 x 1.8

Industrial Applications

1. Hazardous Area Object Detection

This sensor is ideal for detecting metallic objects in potentially explosive atmospheres (hazardous areas). Its NAMUR output provides an intrinsically safe signal for connection to approved switch amplifiers, preventing ignition. The stainless steel housing and IP66/IP67 rating ensure durability in harsh industrial environments.

Problem Solved

Safe and reliable object detection in hazardous locations where conventional sensors could pose an ignition risk, offering robust construction for challenging conditions.

Intrinsically SafeNAMURHazardous AreaIP67Stainless SteelObject Detection

2. High-Temperature Industrial Machine Control

With an operating temperature range up to 100 °C, this inductive sensor can reliably operate in machinery and processes generating significant heat, such as hot rolling mills or high-temperature processing lines. Its flush mounting capability ensures a compact and protected installation.

Problem Solved

Provides consistent and accurate sensing in applications where high ambient temperatures would cause standard sensors to fail or degrade performance.

High Temperature100 °CFlush MountingInductive SensingMachine Automation

3. Precision Position Monitoring in Washdown Environments

The 8mm rated operating distance and flush installation allow for precise position sensing of metallic components. The IP66/IP67 protection, coupled with a stainless steel housing, makes it perfectly suited for environments requiring frequent washdowns, such as food processing or pharmaceutical manufacturing.

Problem Solved

Accurate and durable position detection in areas subjected to water jets, chemical cleaning, or dust, preventing sensor damage and maintaining operational integrity.

IP66IP67WashdownStainless SteelPosition SensingM18
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