Pepperl Fuchs NJ2-12GK-SN Users Guide

Inductive sensor

NJ2-12GK-SN

<2 mm flush

<Usable up to SIL 3 acc. to IEC 61508

<ATEX approval Ex-i and Ex-nA/tc for zone 0-2 and zone 20-22

<Degree of protection IP68

Dimensions

	M12 X 1
<![if ! IE]> <![endif]>4 4	<![if ! IE]> <![endif]>30.5	<![if ! IE]> <![endif]>35
	17

Technical Data

		General specifications
<![if ! IE]> <![endif]>eng.pdf		Switching function		Normally closed (NC)
		Output type		NAMUR with safety function
<![if ! IE]> <![endif]>_
<![if ! IE]> <![endif]>250925		Installation	sn	flush
		Rated operating distance		2 mm
<![if ! IE]> <![endif]>Filename:
		Reduction factor rAl	sa	0.4
		Assured operating distance		0 ... 1.62 mm
<![if ! IE]> <![endif]>12-15
		Reduction factor rCu		0.3
<![if ! IE]> <![endif]>-
<![if ! IE]> <![endif]>2020		Reduction factor r304		0.85
<![if ! IE]> <![endif]>issue:of		Safety Integrity Level (SIL)		up to SIL3 acc. to IEC 61508 Danger! In safety-related applications the sensor must
				EX1.
				be operated with a qualified fail safe interface from Pepperl+Fuchs, such as KFD2-SH-
<![if ! IE]> <![endif]>Date				Consider the "exida Functional Safety Assessment" document which is available on
				www.pepperl-fuchs.com as an integral part of this product's documentation.
<![if ! IE]> <![endif]>12-15
		Output type		2-wire
<![if ! IE]> <![endif]>2020-
		Nominal ratings
<![if ! IE]> <![endif]>date:		Nominal voltage	Uo	8.2 V (Ri approx. 1 kΩ)
<![if ! IE]> <![endif]>Release		Switching frequency	f	0 ... 2000 Hz
		Suitable for 2:1 technology		yes , with reverse polarity protection diode

Refer to "General Notes Relating to Pepperl+Fuchs Product Information".					1
Pepperl+Fuchs Group	USA: [phone]	Germany: [phone]	Singapore: [phone]
www.pepperl-fuchs.com	[e-mail]	[e-mail]	[e-mail]

	Inductive sensor			NJ2-12GK-SN
		Technical Data
		Current consumption
		Measuring plate not detected		≥ 3 mA
		Measuring plate detected		≤ 1 mA
		Functional safety related parameters
		Safety Integrity Level (SIL)		SIL 3
		MTTFd		10660 a
		Mission Time (TM)		20 a
		Diagnostic Coverage (DC)		0 %
		Compliance with standards and directives
		Standard conformity
		NAMUR		EN 60947-5-6:2000
				IEC 60947-5-6:1999
		Standards		EN 60947-5-2:2007
				EN 60947-5-2/A1:2012
				IEC 60947-5-2:2007
				IEC 60947-5-2 AMD 1:2012
		Approvals and certificates
		IECEx approval
		Equipment protection level Ga		IECEx PTB 11.0092X
		Equipment protection level Gb		IECEx PTB 11.0092X
		Equipment protection level Da		IECEx PTB 11.0092X
		Equipment protection level Mb		IECEx PTB 11.0092X
		ATEX approval
		Equipment protection level Ga		PTB 00 ATEX 2049 X
		Equipment protection level Gb		PTB 00 ATEX 2049 X
		Equipment protection level Gc (nA)		PF15CERT3754X
		Equipment protection level Da		PTB 00 ATEX 2049 X
		Equipment protection level Dc (tc)		PF15CERT3774X
		EAC conformity		TR CU 012/2011
		FM approval
		Control drawing		116-0165
		UL approval		cULus Listed, General Purpose
		Ordinary Location		E87056
		Hazardous Location		E501628
		Control drawing		116-0454
		CCC approval
		Hazardous Location		2020322315002308
		NEPSI approval
<![if ! IE]> <![endif]>eng.pdf		NEPSI certificate		GYJ16.1392X
		Ambient conditions
<![if ! IE]> <![endif]>250925		Ambient temperature		-40 ... 100 °C (-40 ... 212 °F)
		Mechanical specifications
<![if ! IE]> <![endif]>Filename:15-		Housing material		Crastin (PBT), black
		Connection type		cable silicone , 2 m
		Core cross-section		0.34 mm2
<![if ! IE]> <![endif]>-12
		Sensing face		Crastin (PBT), black
<![if ! IE]> <![endif]>2020
		Degree of protection		IP68
<![if ! IE]> <![endif]>issue:
		Cable
<![if ! IE]> <![endif]>of
		Cable diameter		4.8 mm ± 0.2 mm
<![if ! IE]> <![endif]>15Date
		Bending radius		> 10 x cable diameter
<![if ! IE]> <![endif]>-12-
		General information
<![if ! IE]> <![endif]>2020
		Use in the hazardous area		see instruction manuals
<![if ! IE]> <![endif]>Release date:

Refer to "General Notes Relating to Pepperl+Fuchs Product Information".

	Pepperl+Fuchs Group	USA: [phone]	Germany: [phone]	Singapore: [phone]	2
	www.pepperl-fuchs.com	[e-mail]	[e-mail]	[e-mail]