Name: Pepperl+Fuchs NJ2,5-14GM-N-V1-Y21146 Inductive Sensor - INOSAKI
SKU: PEPPERL-FUCHS-NJ2,5-14GM-N-V1-Y21146
Price: 102.48 USD
Availability: InStock

Technical Overview

The Pepperl+Fuchs NJ2,5-14GM-N-V1-Y21146 is an inductive proximity sensor from the Comfort series, designed for reliable metal detection in industrial automation. It features a NAMUR output with a normally closed (NC) switching function and a rated operating distance of 2.5 mm. The sensor is built with a robust stainless steel housing and an IP67 degree of protection, making it suitable for demanding environments. It also boasts SIL 2 compliance according to IEC 61508, ensuring its use in safety-critical applications.

Key Features

Inductive proximity sensor
Normally closed (NC) switching function
NAMUR output type
Rated operating distance of 2.5 mm
M14 cylindrical threaded housing
Stainless steel 1.4305 / AISI 303 housing material
PBT sensing face
IP67 degree of protection
M12 x 1, 4-pin connector
Usable up to SIL2 according to IEC 61508
Flush installation
Operating temperature range of 0 ... 90 °C
High switching frequency up to 1500 Hz

Technical Specification Matrix

Parameter	Value
Switching Function	Normally closed (NC)
Output Type	NAMUR
Rated Operating Distance (sn)	2.5 mm
Installation	Flush
Nominal Voltage (Uo)	8.2 V (Ri approx. 1 kΩ)
Switching Frequency (f)	0 ... 1500 Hz
Current Consumption (Measuring plate not detected)	≥ 3 mA
Current Consumption (Measuring plate detected)	≤ 1 mA
Housing Material	Stainless steel 1.4305 / AISI 303
Sensing Face Material	PBT
Degree of Protection	IP67
Connection Type	M12 x 1 connector, 4-pin
Safety Integrity Level (SIL)	SIL 2 (acc. to IEC 61508)
Ambient Temperature	0 ... 90 °C (32 ... 194 °F)

Industrial Applications

1. Hazardous Area Metal Object Detection

Detection of metallic components or positioning in areas with potentially explosive atmospheres, such as chemical processing plants or oil & gas facilities.

Problem Solved

The NAMUR output, combined with SIL 2 compliance (IEC 61508), ensures intrinsic safety, allowing reliable operation without the risk of ignition in explosive environments. The robust stainless steel housing and IP67 rating provide durability in harsh industrial conditions where both explosive atmosphere and environmental factors are present.

Intrinsic safetyhazardous areaATEXIEC 61508NAMURSIL 2metal detectionchemical processingoil & gas

2. High-Speed Position Sensing in Industrial Machinery

Precise and rapid detection of metallic parts for indexing, counting, or end-position monitoring in automated machinery, conveyor systems, or robotics.

Problem Solved

With a sensing distance of 2.5 mm and a high switching frequency of up to 1500 Hz, this sensor can reliably detect fast-moving metallic objects with excellent precision. This ensures accurate machine control, prevents collisions, and maintains proper alignment in high-speed manufacturing or assembly processes. Its flush mounting capability allows for seamless integration into machine designs.

Position sensinghigh-speed detectionautomationroboticsmachine controlflush mounting2.5mm sensing range1500Hz switching frequency

3. Corrosion-Resistant Sensing in Wet or Corrosive Environments

Object detection in applications where the sensor is regularly exposed to moisture, washdowns, or mildly corrosive substances, common in food processing, wastewater treatment, or certain maritime applications.

Problem Solved

The stainless steel 1.4305 / AISI 303 housing and IP67 degree of protection provide excellent resistance to corrosion and water ingress. This ensures consistent, long-term reliability and performance of the sensor in demanding and aggressive environments where standard sensors would quickly degrade.

Corrosion resistanceIP67washdownfood processingwastewater treatmentstainless steelmaritimewet environments