Model Number
SJ3,5-S1N

Features

• 3.5 mm slot width
• Usable up to SIL 3 acc. to IEC 61508
• Nonferrous targets

Application

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.

Technical Data
General specifications
Switching element function NAMUR, NO
Slot width 3.5 mm
Depth of immersion (lateral) 5 ... 7 typ. 6 mm
Installation
Output polarity Safety Function
Nominal ratings
Nominal voltage Uo 8 V
Switching frequency f 0 ... 2500 Hz
Hysteresis H with NAMUR switch amplifier: 0.09 mm (e. g. Pepperl+Fuchs
KCD2-SR-Ex1.LB)
with safety switch amplifier 0.05 mm (e. g. Pepperl+Fuchs KFD2-
SH-Ex1)
Suitable for 2:1 technology yes , with reverse polarity protection diode

Rate of current rise 2.1 mA / mm
Current consumption
Measuring plate not detected ≤ 1 mA
Measuring plate detected ≥ 3 mA
Functional safety related parameters
MTTFd 7974 a
Mission Time (TM) 20 a
Diagnostic Coverage (DC) 0 %
Ambient conditions
Ambient temperature -25 ... 100 °C (-13 ... 212 °F)
Mechanical specifications
Connection type flexible leads LIY , 500 mm
Core cross-section 0.14 mm2
Housing material PBT
Protection degree IP67
Note only for non-ferrous metal
Adjustable stop
General information
Use in the hazardous area see instruction manuals
Category 1G; 2G; 3G; 1D
Compliance with standards and directives
Standard conformity
Standards EN 60947-5-2:2007
IEC 60947-5-2:2007
Approvals and certificates
FM approval
Control drawing 116-0165F
UL approval cULus Listed, General Purpose
CSA approval cCSAus Listed, General Purpose
CCC approval CCC approval / marking not required for products rated ≤36 V