Pepperl Fuchs Inductive sensor NJ3-18GK-S1N-5M ATEX/IECEx Zone 2/22

Pepperl Fuchs Inductive sensor NJ3-18GK-S1N-5M

Nonferrous targets

3 mm flush in ST37 / 1.0037

Usable up to SIL 3 acc. to IEC 61508

Degree of protection IP68

ATEX & IECEX certifications

ATEX/IECEx Zone 2/22

General specifications

Switching function Normally open (NO)

Output type NAMUR with safety function

Rated operating distance 3 mm

Installation flush in mild steel

Assured operating distance 0 ... 2.4 mm

Actual operating distance 2.7 ... 3.3 mm typ.

Reduction factor rAl 1

Reduction factor rCu 1

Reduction factor r304 0

Safety Integrity Level (SIL) up to SIL3 acc. to IEC 61508 Danger! In safety-related applications the sensor must be operated with a qualified fail safe interface from Pepperl+Fuchs, such as KFD2-SH-EX1.

Consider the "exida Functional Safety Assessment" document which is available on www.pepperl-fuchs.com as an integral part of this product's documentation.

Output type 2-wire

Nominal ratings

Nominal voltage 8.2 V (Ri approx. 1 kΩ)

Switching frequency 0 ... 200 Hz

Current consumption

Measuring plate not detected ≤ 1 mA

Measuring plate detected ≥ 3 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

Standards EN IEC 60947-5-2

Approvals and certificates

IECEx approval

Equipment protection level Ga IECEx PTB 11.0092X

Equipment protection level Gb IECEx PTB 11.0092X

Equipment protection level Gc (ec) IECEx TUR 21.0017X

Equipment protection level Da IECEx PTB 11.0092X

Equipment protection level Dc (tc) IECEx TUR 21.0018X

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 (ec) TV 20 ATEX 8523 X

Equipment protection level Da PTB 00 ATEX 2049 X

Equipment protection level Dc (tc) TV 20 ATEX 8524 X

UL approval cULus Listed, General Purpose

Ordinary Location E87056

Hazardous Location E501628

Control drawing 116-0454

CCC approval

Hazardous Location 2020322315002308

NEPSI approval

NEPSI certificate GYJ16.1392X

Ambient conditions

Ambient temperature -25 ... 100 °C (-13 ... 212 °F)

Mechanical specifications

Connection type cable

Housing material Crastin (PBT), black

Sensing face Crastin (PBT), black

Degree of protection IP68

Cable

Cable diameter 6.8 mm ± 0.2 mm

Bending radius > 10 x cable diameter

Material silicone

Core cross section 0.75 mm2

Length 5 m

Dimensions

Length 39 mm

Diameter 18 mm

Note only for non-ferrous metal

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