Pepperl+Fuchs NJ15-30GK-N NAMUR Inductive Proximity Sensor

USD 69.84

M30 x 1.5 non-flush inductive sensor with 15mm operating distance. Features NAMUR output, SIL 2 safety, IP68 protection, and -25 to 100°C operating temp.

SKU PEPPERL-FUCHS-NJ15-30GK-N Category
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Pepperl+Fuchs NJ15-30GK-N NAMUR Inductive Proximity Sensor

Model Identifier NJ15-30GK-N
Official Part Number NJ15-30GK-N
GTIN Standard NA

Technical Overview

M30 x 1.5 non-flush inductive sensor with 15mm operating distance. Features NAMUR output, SIL 2 safety, IP68 protection, and -25 to 100°C operating temp.

Key Features

  • 15 mm non-flush rated operating distance for reliable detection.
  • NAMUR output for intrinsically safe applications.
  • SIL 2 compliant according to IEC 61508 for enhanced functional safety.
  • IP66/IP68 degree of protection ensures operation in harsh environments.
  • Wide operating temperature range from -25 °C to 100 °C.
  • Durable PBT housing and sensing face for chemical resistance and longevity.
  • M30 x 1.5 threaded design for easy installation.

Usable up to SIL 2 functional safety acc. to IEC 61508 with NAMUR output.

Technical Specification Matrix

ParameterValue
Switching functionNormally closed (NC)
Output typeNAMUR, 2-wire
Rated operating distance (Sn)15 mm
Installationnon-flush
Assured operating distance (Sa)0... 12.15 mm
Reduction factor rAl0.4
Reduction factor rCu0.3
Reduction factor r3040.85
Nominal voltage (Uo)8.2 V (Ri approx. 1 kOhm)
Switching frequency (f)0... 100 Hz
Hysteresis (H)1... 5 % typ. 3 %
Current consumption (Measuring plate not detected)min. 3 mA
Current consumption (Measuring plate detected)≤ 1 mA
Safety Integrity Level (SIL)SIL 2
MTTFd4560 a
Mission Time (TM)20 a
Diagnostic Coverage (DC)0%
Ambient temperature-25 ... 100 °C (-13 ... 212 °F)
Connection typecable
Housing materialPBT
Sensing face materialPBT
Degree of protectionIP66 / IP68
Cable (Wire end ferrules)yes
Cable diameter6 mm ± 0.2 mm
Cable bending radius> 10 x cable diameter
Cable materialPVC
Cable colorblue
Cable number of cores2
Cable core cross section0.75 mm²
Cable length2 m
Sensor body length40 mm
Sensor body diameter30 mm
Physical Weight (kg)0
Dimensions L x W x H (cm)4 x 3 x 3

Industrial Applications

1. Hazardous Area Object Detection

Utilizing its NAMUR output and IECEx/ATEX approvals, the sensor is ideal for reliable non-contact detection in explosive gas and dust atmospheres found in chemical plants, oil and gas facilities, and grain processing.

Problem Solved

Provides intrinsically safe object presence feedback, preventing ignition sources in potentially explosive environments while ensuring operational continuity.

Hazardous locationintrinsically safeexplosion-proofNAMURATEXIECEx

2. Functional Safety for Machine Guarding

With SIL 2 compliance (IEC 61508), this sensor can be integrated into safety circuits for machine guarding applications, such as monitoring the position of safety gates or confirming material presence in critical zones.

Problem Solved

Ensures a high level of functional safety for personnel and equipment by providing reliable position feedback that meets international safety standards.

Functional safetySIL 2machine guardingsafety circuitposition monitoringIEC 61508

3. Harsh Industrial Process Control

The IP66/IP68 protection rating, robust PBT housing, and wide operating temperature range (-25 to 100 °C) make it perfect for reliable sensing in wet, dusty, or high-temperature industrial processes, like food and beverage, heavy machinery, or material handling.

Problem Solved

Maintains accurate and consistent object detection performance despite exposure to water, dust, temperature extremes, or corrosive agents common in demanding industrial settings.

IP68harsh environmentprocess automationtemperature resistancePBT housingmaterial handling
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