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KFD2-SOT3-Ex2.IO Switch Amplifier

Key Benefits at a Glance

  • 2-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Dry contact or NAMUR inputs
  • Isolated passive transistor output, non-polarized
  • Line fault detection (LFD)
  • Reversible mode of operation
  • Up to SIL 2 (SC 3) acc. to IEC/EN 61508

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Please contact us for exact delivery estimation.402.00 USD Net price—your individual price will be shown during checkout process.
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Product photo: Switch Amplifier KFD2-SOT3-Ex2.IO
Product photo: Switch Amplifier KFD2-SOT3-Ex2.IO
Approval
Product Compliance: Europe – CE
Functional Safety: Safety Integrity Level - 2
Product Compliance: USA - cULus
Approval
Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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DatasheetFunctionClassificationInformative LiteratureProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of KFD2-SOT3-Ex2.IO

Signal typeDigital Input
Safety Integrity Level (SIL)SIL 2
Systematic capability (SC)SC 3
ConnectionPower Rail or terminals 14+, 15-
Rated voltageUr19 ... 30 V DC
Ripple≤ 10 %
Rated currentIr30 ... 20 mA
Power dissipation≤ 1.1 W including maximum power dissipation in the output
Connection sidefield side
Connectionterminals 1+, 2+, 3-; 4+, 5+, 6-
Rated valuesacc. to EN 60947-5-6 (NAMUR), see manual for electrical data
Open circuit voltage/short-circuit currentapprox. 10 V DC / approx. 8 mA
Switching point/switching hysteresis1.2 ... 2.1 mA / approx. 0.2 mA
Line fault detectionbreakage I ≤ 0.1 mA , short-circuit I ≥ 6.5 mA
Pulse/Pause ratiomin. 100 µs / min. 100 µs
Connection sidecontrol side
Connectionoutput I: terminals 7, 8 ; output II: terminals 10, 11
Rated voltageUr30 V DC
Rated currentIr100 mA , short-circuit protected
Response time≤ 200 µs
Signal level1-signal: (external voltage) - 3 V max. for 100 mA
0-signal: blocked output (off-state current ≤ 10 µA)
Output Isignal ; Transistor
Output IIsignal ; Transistor
Collective error messagePower Rail
Switching frequency≤ 5 kHz
Input/Outputreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supplybasic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/Outputbasic insulation according to IEC/EN 61010-1, rated insulation voltage 60 Veff
Display elementsLEDs
Control elementsDIP switch
Configurationvia DIP switches
Labelingspace for labeling at the front
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Electromagnetic compatibilityNE 21:2012 , EN 61326-3-2:2008
Degree of protectionIEC 60529:2001
InputEN 60947-5-6:2000
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 150 g
Dimensions20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) (W x H x D) , housing type B2
Height119 mm
Width20 mm
Depth115 mm
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
EU-type examination certificateEXA 16 ATEX 0016 X
MarkingEx-Hexagon II 3(1)G Ex nA [ia Ga] IIC T4 Gc
[exsign] II (1)D [Ex ia Da] IIIC
[exsign] I (M1) [Ex ia Ma] I
InputEx ia
VoltageUo10.5 V
CurrentIo17.1 mA
PowerPo45 mW (linear characteristic)
Supply
Maximum safe voltageUm253 V AC (Attention! Um is no rated voltage.)
Output
Maximum safe voltageUm253 V AC (Attention! The rated voltage can be lower.)
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supplysafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010
UL approvalE106378
Control drawing116-0424 (cULus)
IECEx approval
IECEx certificateIECEx EXA 16.0009X
IECEx markingEx nA [ia Ga] IIC T4 Gc , [Ex ia Da] IIIC , [Ex ia Ma] I
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
General Notes
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