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Switch Amplifier KFA4-SR2-Ex1.W.LB

Switch Amplifier KFA4-SR2-Ex1.W.LB
Switch Amplifier KFA4-SR2-Ex1.W.LB

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артикул: 23823
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  • 1-channel
  • Control circuit EEx ia IIC
  • Reversible mode of operation
  • Output I: relay contact output (change-over contact)
  • Output II: optionally signal output/fault signal
  • EMC acc. to NAMUR NE 21
  • LB/SC monitoring
  • Up to SIL 2 acc. to IEC 61508/IEC 61511
Параметр Значение
Общие характеристики
Артикул 23823
Control elements DIP-switch
Switching frequency ≤ 10 Hz
Ambient temperature -20 ... 60 °C (-4 ... 140 °F)
Degree of protection IP20
Connection screw terminals
Mass approx. 150 g
Rated voltage 90 ... 110 V AC , 45 ... 65 Hz
Power consumption max. 1 W
Electromagnetic compatibility NE 21:2006
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Current 19.1 mA
Marking II (1)G [Ex ia Ga] IIC II (1)D [Ex ia Da] IIIC I (M1) [Ex ia Ma] I
Dimensions 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
Mechanical life 10 switching cycles
Labeling space for labeling at the front
EU-type examination certificate PTB 00 ATEX 2081
IECEx approval IECEx PTB 11.0031
Supplementary information Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com.
Approved for [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
Power 51 mW (linear characteristic)
Output I signal ; 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
Output II signal or error message ; relay
Directive 2014/30/EU EN 61326-1:2013 (industrial locations)
Directive 2014/34/EU EN 60079-0:2012+A11:2013 , EN 60079-11:2012
Safety Integrity Level (SIL) SIL 2
Display elements LEDs
Power dissipation 1.1 W
Energized/De-energized delay approx. 20 ms / approx. 20 ms
Configuration via DIP switches
Control drawing 116-0047
Directive 2014/35/EU EN 61010-1:2010
Voltage 10.6 V
Maximum safe voltage 253 V AC (Attention! The rated voltage can be lower.)
Connection side control side
Input Ex ia
Input/Output safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Output/Output reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V
Line fault detection breakage I ≤ 0.1 mA , short-circuit I > 6 mA
Signal type Digital Input
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
Input/power supply safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Output/power supply reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 V
Pulse/Pause ratio min. 20 ms / min. 20 ms

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