

Estimated Lead Time : 1 - 10 working days.
Manufacturer : Pepperl+Fuchs
Switch Amplifier KFD2-SOT3-Ex2
2-channel isolated barrier
24 V DC supply (Power Rail)
Dry contact or NAMUR inputs
2 passive transistor outputs
Reversible mode of operation
Line fault detection (LFD)
SIL 2 (SC 3) acc. to IEC/EN 61508
Signal type : Digital Input
Safety Integrity Level (SIL) : SIL 2
Systematic capability (SC) : SC 3
Connection : Power Rail or terminals 14+, 15-
Rated voltage : 19 ... 30 V DC
Ripple : ≤ 10 %
Rated current : 30 ... 20 mA
Power dissipation : ≤ 1.1 W including maximum power dissipation in the output
Connection side : field side
Connection : terminals 1+, 2+, 3-; 4+, 5+, 6-
Rated values : acc. to EN 60947-5-6 (NAMUR), see manual for electrical data
Open circuit voltage/short-circuit current : approx. 10 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 ≥ 6.5 mA
Pulse/Pause ratio : min. 100 µs / min. 100 µs
Connection side : control side
Connection : output I: terminals 7, 8 ; output II: terminals 8, 9
Rated voltage : 30 V DC
Rated current : 100 mA , short-circuit protected
Response time : ≤ 200 µs
Signal level : 1-signal: (external voltage) - 3 V max. for 100 mA
0-signal: blocked output (off-state current ≤ 10 µA)
Output I : signal ; Transistor
Output II : signal ; Transistor
Collective error message : Power Rail
Switching frequency : ≤ 5 kHz
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 : basic insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff
Display elements : LEDs
Control elements : DIP switch
Configuration : via DIP switches
Labeling : space for labeling at the front
Directive 2014/30/EU : EN 61326-1:2013 (industrial locations)
Electromagnetic compatibility : NE 21:2012 , EN 61326-3-2:2008
Degree of protection : IEC 60529:2001
Input : EN 60947-5-6:2000
Ambient temperature : -20 ... 60 °C (-4 ... 140 °F)
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) (W x H x D) , housing type B2
Mounting : on 35 mm DIN mounting rail acc. to EN 60715:2001
EU-type examination certificate : EXA 16 ATEX 0016 X
Input : Ex ia
Voltage : 10.5 V
Current : 17.1 mA
Power : 45 mW (linear characteristic)
Maximum safe voltage : 253 V AC (Attention! Um is no rated voltage.)
Maximum safe voltage : 253 V AC (Attention! The rated voltage can be lower.)
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 2014/34/EU : EN IEC 60079-0:2018+AC:2020 , EN 60079-11:2012 , EN 60079-15:2010
UL approval : E106378
Control drawing : 116-0424 (cULus)
IECEx certificate : IECEx EXA 16.0009X
IECEx marking : Ex nA [ia Ga] IIC T4 Gc , [Ex ia Da] IIIC , [Ex ia Ma] I
Shipping Weight : 1.2 Kg