BASIC INFO
Pepperl+Fuchs KFD2-SR2-Ex1.W.LB Switch Amplifier Safety Barrier
Switch Amplifier KFD2-SR2-Ex1.W.LB
1-channel isolated barrier
24 V DC supply (Power Rail)
Dry contact or NAMUR inputs
Usable as signal splitter (1 input and 2 outputs)
Relay contact output
Fault relay contact output
Line fault detection (LFD)
Reversible mode of operation
Up to SIL 2 acc. to IEC 61508/IEC 61511
General specifications
Signal type Digital Input
Functional safety related parameters
Safety Integrity Level (SIL) SIL 2
Supply
Connection Power Rail or terminals 14+, 15-
Rated voltage 20 ... 30 V DC
Ripple ≤ 10 %
Rated current ≤ 50 mA
Power dissipation 1 W
Power consumption < 1.3 W
Input
Connection side field side
Connection terminals 1+, 2+, 3-
Rated values acc. to EN 60947-5-6 (NAMUR)
Open circuit voltage/short-circuit current approx. 8 V DC / approx. 8 mA
Switching point/switching hysteresis 1.2 ... 2.1 mA / approx. 0.2 mA
Line fault detection breakage I ≤ 0.1 mA , short-circuit I > 6 mA
Pulse/Pause ratio min. 20 ms / min. 20 ms
Output
Connection side control side
Connection output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12
Output I signal ; relay
Output II signal or error message ; relay
Contact loading 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load
Minimum switch current 2 mA / 24 V DC
Energized/De-energized delay approx. 20 ms / approx. 20 ms
Mechanical life 107 switching cycles
Transfer characteristics
Switching frequency ≤ 10 Hz
Galvanic isolation
Input/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Input/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Output/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Indicators/settings
Display elements LEDs
Control elements DIP-switch
Configuration via DIP switches
Labeling space for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EU EN 61326-1:2013 (industrial locations)
Low voltage
Directive 2014/35/EU EN 61010-1:2010
Conformity
Electromagnetic compatibility NE 21:2006
Degree of protection IEC 60529:2001
Input EN 60947-5-6:2000
Ambient conditions
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protection IP20
Connection screw terminals
Mass approx. 150 g
Dimensions 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-type examination certificate PTB 00 ATEX 2080
Marking Ex-Hexagon II (1)G [Ex ia Ga] IIC
Ex-Hexagon II (1)D [Ex ia Da] IIIC
Ex-Hexagon I (M1) [Ex ia Ma] I
Input Ex ia
Voltage 10.5 V
Current 13 mA
Power 34 mW (linear characteristic)
Supply
Maximum safe voltage 253 V AC / 125 V DC (Attention! Um is no rated voltage.)
Output
Contact loading 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load
Maximum safe voltage 253 V AC (Attention! The rated voltage can be lower.)
Fault indication output
Maximum safe voltage 40 V DC (Attention! Um is no rated voltage.)
Certificate PF 08 CERT 0803
Marking Ex-Hexagon II (3)G [Ex ic Gc] IIC
Input Ex ic
Voltage 10.5 V
Current 13 mA
Power 34 mW (linear characteristic)
Output
Contact loading 253 V AC/2 A/cos φ > 0.7; 126.5 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load
Certificate TÜV 99 ATEX 1493 X
Marking Ex-Hexagon II 3G Ex nA nC IIC T4
Output
Contact loading 50 V AC/4 A/cos φ > 0.7; 40 V DC/2 A resistive load
Galvanic isolation
Input/Output safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supply safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EU EN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010
International approvals
FM approval
Control drawing 116-0035
UL approval
Control drawing 116-0145
CSA approval
Control drawing 116-0047
IECEx approval IECEx PTB 11.0034
Approved for [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
General information
Supplementary information Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Accessories
Optional accessories - power feed module KFD2-EB2(.R4A.B)(.SP)
- universal power rail UPR-03(-M)(-S)
- profile rail K-DUCT-BU(-UPR-03)
Ordering Number:
KCD2-SR-Ex1.LB
KCD2-SR-Ex2
KFA6-DU-Ex1.D
KFA6-ER-Ex1.W.LB
KFA6-SOT2-Ex2
KFA6-SR2-Ex1.W
KFA6-SR2-Ex1.W.LB
KFA6-SR2-Ex2.W
KFA6-SR2-Ex2.W.IR
KFD2-DU-Ex1.D
KFD2-ELD-Ex16
KFD2-ER-Ex1.W.LB
KFD2-SH-Ex1
KFD2-SOT3-Ex1.LB
KFD2-SOT3-Ex1.LB.IO
KFD2-SOT3-Ex2
KFD2-SOT3-Ex2.IO
KFD2-SR2-Ex1.W
KFD2-SR2-Ex1.W.LB
KFD2-SR2-Ex2.W
KFD2-SR3-Ex2.2S
KFD2-SRA-Ex4
KFD2-ST3-Ex1.LB
KFD2-ST3-Ex2
KHA6-SH-Ex1
KCD2-SON-Ex1
KCD2-SOT-Ex1.LB
KCD2-SOT-Ex2
KCD2-SOT-Ex2.SP
KCD2-SR-Ex1.LB.SP
KCD2-SR-Ex2.SP
KCD2-ST-Ex1.LB
KCD2-ST-Ex2
KFA5-SOT2-Ex2
KFA5-SR2-Ex1.W
KFA5-SR2-Ex1.W.LB
KFA5-SR2-Ex2.W
KFA5-SR2-Ex2.W.IR
KFD2-SOT3-Ex2.IO-Y1
KCD2-SON-Ex1.R1
KCD2-SON-Ex1.R2
KCD2-SON-Ex1.R3
KCD2-SON-Ex1.SP
KCD2-SON-Ex2
KCD2-SON-Ex2.R1
KCD2-SON-Ex2.R2
KCD2-SON-Ex2.R3
KCD2-SON-Ex2.SP
KCD2-SOT-Ex1.LB.SP
KCD2-ST-Ex1.LB.SP
KCD2-ST-Ex2.SP
KFA4-SR2-Ex2.W
KFA5-DU-Ex1.D
KFA4-SR2-Ex1.W
KFA4-SR2-Ex1.W.LB
KFD2-SOT2-Ex1.LB
KFD2-SOT2-Ex1.LB.IO
KFD2-SOT2-Ex2
KFD2-SOT2-Ex2.IO
KFD2-SOT2-Ex2.IO-Y181008
KFD2-SR2-Ex2.2S
KFD2-ST2-Ex1.LB
KFD2-ST2-Ex2
KFD2-SH-Ex1.T
KFD2-SH-Ex1.T.OP
KCD2-STC-Ex1
KCD2-STC-Ex1.ES
KFD2-CRG2-Ex1.D
KFD2-HLC-Ex1.D
KFD2-HLC-Ex1.D.2W
KFD2-STC4-Ex1
KFD2-STC4-Ex1.2O
KFD2-STC4-Ex1.2O.H
KFD2-STC4-Ex1.H
KFD2-STC4-Ex2
KFU8-CRG2-Ex1.D
KCD2-STC-Ex1.2O
KCD2-STC-Ex1.2O.ES
KCD2-STC-Ex1.ES.SP
KCD2-STC-Ex1.SP
KFD2-STC3-Ex1
KFD2-STC4-Ex1-Y1
KFD2-STC4-Ex1.2O-Y1
KFD2-STC4-Ex1.ES
KFD2-STC4-Ex2-Y1
KFD2-STC5-Ex1
KFD2-STC5-Ex1.2O
KFD2-STC5-Ex1.2O.H
KFD2-STC5-Ex1.H
KFD2-STC5-Ex2
KFD2-STC5-Ex2
KFD2-STC5-Ex2
KFD2-STV4-Ex1.2O-1
KFD2-STV4-Ex2-1
KFD2-STV4-Ex2-2
KFD2-STV5-Ex1-1
KCD2-STC-Ex1.2O.DE
KFD2-HLC-Ex1.D.4S
KFD2-STV4-Ex1.2O-2
KCD2-STC-Ex1.HC
KCD2-STC-Ex1.HC.SP
KFD2-STC4-Ex1
KFD2-STC4-Ex1-Y1
KFD2-STC4-Ex1.2O
KFD2-STC4-Ex1.2O-Y1
KFD2-STC4-Ex1.2O.H
KFD2-STC4-Ex1.H
KFD2-STV4-Ex1-1
KFD2-STV4-Ex1-2
KFD2-STV4-Ex1.2O-1
KFD2-STV4-Ex2-1
KFD2-STV4-Ex2-2
KFD2-STV4-Ex1.2O-2
KFD2-STC3-Ex1
KCD2-STC-Ex1-Y1
KFD2-CRG2-1.D
KFD2-STC5-1
KFD2-STC5-1.2O
KFD2-STC5-2
KFU8-CRG2-1.D
KFU8-VCR-1
KCD2-STC-1
KCD2-STC-1.2O
KCD2-STC-1.SP
KFD2-CR4-1
KFD2-CR4-1.2O
KFD2-STC4-1
KFD2-STC4-1.2O
KFD2-STC4-1.2O-3
KFD2-STC4-2
Pre：Pepperl+Fuchs Universal Power Rail UPR-03 length 2 meters
Next：Pepperl+fuchs P+F KFD2-CRG2-Ex1.D Transmitter Power Supply
