Pepperl+Fuchs Process Automation KCD2-SR-EX2 Digital Input Switch
Amplifier, 2-ChannelSwitch Amplifier KCD2-SR-Ex2 2-channel
isolated barrier24 V DC supply (Power Rail)Dry contact or NAMUR
inputsRelay contact outputLine fault detection (LFD)Housing width
12.5 mmUp to SIL 2 (SC 3) acc. to IEC/EN
61508General specificationsSignal
type Digital InputFunctional safety related parametersSafety
Integrity Level (SIL) SIL 2Systematic capability
(SC) SC 3SupplyConnection Power Rail or
terminals 9+, 10-Rated voltageUr19 ... 30 V
DCRipple ≤ 10 %Rated currentIr≤ 46 mAPower
dissipation ≤ 900 mWPower
consumption ≤ 900 mWInputConnection side field
sideConnection terminals 1+, 2-; 3+, 4-Rated
values acc. to EN 60947-5-6 (NAMUR)Open circuit
voltage/short-circuit current approx. 8 V DC / approx. 8
mASwitching point/switching hysteresis 1.2 ... 2.1 mA /
approx. 0.2 mALine fault detection breakage I ≤ 0.1
mA , short-circuit I ≥ 6.5 mAPulse/Pause
ratio min. 20 ms / min. 20 msOutputConnection
side control sideConnection terminals 5, 6; 7,
8Output I signal ;
relayOutput II signal ; relayContact
loading 250 V AC/2 A/cos φ > 0.75; 126.5 V AC/4 A/cos
φ > 0.75; 30 V DC/2 A resistive loadMinimum switch
current 2 mA / 24 V DCEnergized/De-energized
delay ≤ 20 ms / ≤ 20 msMechanical
life 107 switching
cyclesTransfer characteristicsSwitching
frequency ≤ 10 HzGalvanic
isolationInput/Output reinforced insulation according to
IEC/EN 61010-1, rated insulation voltage 300 VeffInput/power
supply reinforced insulation according to IEC/EN 61010-1,
rated insulation voltage 300 VeffOutput/power
supply reinforced insulation according to IEC/EN 61010-1,
rated insulation voltage 300 VeffOutput/Output reinforced
insulation according to IEC/EN 61010-1, rated insulation voltage
300 VeffIndicators/settingsDisplay elements LEDsControl
elements DIP switchConfiguration via DIP
switchesLabeling space for labeling at the frontDirective
conformityElectromagnetic compatibility Directive
2014/30/EU EN 61326-1:2013 (industrial locations)Low
voltage Directive 2014/35/EU EN
61010-1:2010+A1:2019+A1:2019/AC:2019ConformityElectromagnetic
compatibility NE 21:2017 , EN 61326-3-1:2017 , EN IEC
61326-3-2:2018Degree of protection IEC
60529:1989+A1:1999+A2:2013Functional safety IEC/EN
61508:2010Input EN
60947-5-6:2000Ambient conditionsAmbient temperature -40
... 70 °C (-40 ... 158
°F)Mechanical specificationsDegree of
protection IP20Connection screw
terminalsMass approx. 100 gDimensions 12.5
x 119 x 114 mm (0.5 x 4.7 x 4.5 inch) (W x H x D)
, housing type A2Mounting on 35 mm DIN mounting rail acc.
to EN
60715:2001Data for application in connection with hazardous areasEU-type
examination certificate BASEEFA 06 ATEX
0092 XMarking 1 II 3(1)G Ex ec nC [ia Ga] IIC T4 Gc
, 1 II (1)D [Ex ia Da] IIIC ,
1 I (M1) [Ex ia Ma] IInput Ex
iaVoltageUo10.5 VCurrentIo13 mAPowerPo34 mW (linear
characteristic)Supply Maximum safe voltageUm253 V AC
(Attention! Um is no rated
voltage.)Output Contact loading Zone 2 : 50 V AC/2
A/cos φ > 0.75; 30 V DC/2 A resistive loadMaximum 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.)Galvanic
isolation Input/Output safe electrical isolation
acc. to IEC/EN 60079-11, voltage peak value 375 VInput/power
supply safe electrical isolation acc. to IEC/EN 60079-11,
voltage peak value 375 VDirective conformity Directive
2014/34/EU EN IEC 60079-0:2018 , EN 60079-7:2015+A1:2018 , EN
60079-11:2012 , EN IEC 60079-15:2019International approvalsUL
approval E106378Control drawing 116-0477 (cULus)IECEx
approval IECEx certificate IECEx BAS 06.0025 XIECEx
marking Ex ec nC [ia Ga] IIC T4 Gc[Ex
ia Da] IIIC[Ex ia Ma] IGeneral informationSupplementary
information Observe the certificates, declarations of
conformity, instruction manuals, and manuals where applicable.
For information see www.pepperl-fuchs.com. /* March 10, 2023
17:59:20 */!function(){function s(e,r){var
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