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KFD2-SR2-Ex1.W Switch Amplifier

Key Benefits at a Glance

  • 1-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Dry contact or NAMUR inputs
  • Relay contact output
  • 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.851,00 PLN Net price—your individual price will be shown during checkout process.
Product photo: Switch Amplifier KFD2-SR2-Ex1.W
Product photo: Switch Amplifier KFD2-SR2-Ex1.W
Approval
Product Compliance: Europe – CE
Functional Safety: Safety Integrity Level - 2
Approval
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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DatasheetFunctionClassificationProduct DocumentationDesign / SimulationApprovalsRelated Products

Technical data of KFD2-SR2-Ex1.W

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 currentIr≤ 35 mA
Power dissipation≤ 0.7 W
Power consumption≤ 0.7 W
Connection sidefield side
Connectionterminals 1+, 2+, 3-
Rated valuesacc. to EN 60947-5-6 (NAMUR)
Open circuit voltage/short-circuit currentapprox. 8 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 mA
Pulse/Pause ratiomin. 20 ms / min. 20 ms
Connection sidecontrol side
Connectionterminals 7, 8, 9
Outputsignal ; relay
Contact loading250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 40 V DC/2 A resistive load
Minimum switch current2 mA / 24 V DC
Energized/De-energized delayapprox. 20 ms / approx. 20 ms
Mechanical life107 switching cycles
Collective error messagePower Rail
Switching frequency< 10 Hz
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 supplyreinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 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)
Low voltage
Directive 2014/35/EUEN 61010-1:2010+A1:2019+A1:2019/AC:2019
Electromagnetic compatibilityNE 21:2017 , EN 61326-3-1:2017 , EN IEC 61326-3-2:2018
Degree of protectionIEC 60529:1989+A1:1999+A2:2013
Functional safetyIEC/EN 61508:2010
InputEN 60947-5-6:2000
Ambient temperature-40 ... 70 °C (-40 ... 158 °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 certificatePTB 00 ATEX 2080
MarkingEx-Hexagon II (1)G [Ex ia Ga] IIC
[exsign] II (1)D [Ex ia Da] IIIC
[exsign] I (M1) [Ex ia Ma] I
InputEx ia
VoltageUo10.5 V
CurrentIo13 mA
PowerPo34 mW (linear characteristic)
Supply
Maximum safe voltageUm253 V AC / 125 V DC (Attention! Um is no rated voltage.)
Output
Maximum safe voltageUm253 V AC (Attention! The rated voltage can be lower.)
Fault indication output
Maximum safe voltageUm40 V DC (Attention! Um is no rated voltage.)
CertificatePF 08 CERT 0803
MarkingEx-Hexagon II (3)G [Ex ic Gc] IIC
InputEx ic
VoltageUo10.5 V
CurrentIo13 mA
PowerPo34 mW (linear characteristic)
CertificateTÜV 99 ATEX 1493 X
MarkingEx-Hexagon II 3G Ex ec nC IIC T4 Gc
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 60079-7:2015+A1:2018 , EN 60079-11:2012 , EN IEC 60079-15:2019
FM approval
FM certificateFM19US0207X
Control drawing116-0035
UL approvalE106378
Control drawing116-0473 (cULus)
Contact loading250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos φ > 0.75; 30 V DC/2 A resistive load
IECEx approval
IECEx certificateIECEx PTB 11.0034 , IECEx TUN 19.0013X
IECEx marking[Ex ia Ga] IIC
[Ex ia Da] IIIC
[Ex ia Ma] I
Ex ec nC IIC T4 Gc
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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