Pepperl Fuchs Inductive slot sensor SJ3,5-SN Ferrous targets
3.5 mm slot width
Usable up to SIL 3 acc. to IEC 61508
Extended temperature range
Ferrous targets
Product Description
Switching function Normally closed (NC)
Output type NAMUR with safety function
Slot width 3.5 mm
Depth of immersion (lateral) 5 ... 7 typ. 6 mm
Reference target 10 x 7 x 0.3 mm3, Al
Output type 2-wire
Nominal ratings
Nominal voltage 8.2 V (Ri approx. 1 kΩ)
Switching frequency 0 ... 3000 Hz
Hysteresis with NAMUR switch amplifier: 0.045 mm (e. g. Pepperl+Fuchs KCD2-SR-Ex1.LB)
with safety switch amplifier 0.025 mm (e. g. Pepperl+Fuchs KFD2-SH-Ex1)
Suitable for 2:1 technology yes , with reverse polarity protection diode
Rate of current rise -4.5 mA / mm
Current consumption
Measuring plate not detected ≥ 3 mA
Measuring plate detected 0.2 ... 1 mA
Functional safety related parameters
Safety Integrity Level (SIL) SIL 3
MTTFd 11800 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 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 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 Da PTB 00 ATEX 2049 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 -50 ... 100 °C (-58 ... 212 °F)
Safety application: -40 ... 100°C
Mechanical specifications
Connection type flexible leads LiY
Housing material PBT
Degree of protection IP67
Cable
Cable diameter 1.1 mm ± 0.1 mm
Bending radius > 10 x cable diameter
Material PVC
Core cross section 0.14 mm2
Length 500 mm
Dimensions
Height 15 mm
Width 10 mm
Length 19.5 mm
Note adjustable stop
Security relevant only up to -40°C