KFD2-SR2-EX2.2S | Pepperl+Fuchs Isolated Switch Amplifier
KFD2-SR2-EX2.2S | Pepperl+Fuchs Isolated Switch Amplifier

KFD2-SR2-EX2.2S | Pepperl+Fuchs Isolated Switch Amplifier

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Availability: In stock. Usually Ships in 1 - 3 Working Days.
Part Number: KFD2-SR2-EX2.2S
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Part Number: KFD2-SR2-EX2.2S
Model: Isolated Switch Amplifier

  • Switch Amplifier KFD2-SR2-Ex2.2S
  • 2-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Dry contact or NAMUR inputs
  • Usable as signal splitter (1 input and 2 outputs)
  • 2 x 2 relay contact outputs with AND logic
  • Line fault detection (LFD)
  • Reversible mode of operation
  • Up to SIL 2 acc. to IEC 61508
  • Signal type: Digital Input
  • 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
  • Connection: terminals 1+, 2+, 3-; 4+, 5+, 6-
  • 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
  • Connection: output I: terminals 7, 8 ; output II: terminals 8, 9 ; output III: terminals 10, 11 ; output IV: terminals 11, 12
  • Output I, II, III, IV: channel 1, 2; relay
  • Contact loading: 50 V AC/1 A/cos f > 0.7; 40 V DC/1 A resistive load
  • Minimum switch current: 1 mA / 24 V DC
  • Energized/De-energized delay: approx. 20 ms / approx. 20 ms
  • Mechanical life: 108 switching cycles
  • Collective error message: Power Rail
  • Switching frequency: = 10 Hz
  • Electromagnetic compatibility:
  • Directive 2014/30/EU: EN 61326-1:2013 (industrial locations)
  • Directive 2014/35/EU: EN 61010-1:2010
  • Electromagnetic compatibility: NE 21:2004
  • Degree of protection: IEC 60529:2001
  • Ambient temperature: -20 ... 60 °C (-4 ... 140 °F)
  • Degree of protection: IP20
  • Mass: approx. 150 g
  • Dimensions: 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
  • EC-Type Examination Certificate: PTB 00 ATEX 2083
  • Group, category, type of protection: Ex-Hexagon II (1)GD [EEx ia] IIC [circuit(s) in zone 0/1/2]
  • Statement of conformity: TUV 99 ATEX 1493 X
  • Group, category, type of protection, temperature class: Ex-Hexagon II 3G Ex nA nC IIC T4
  • Directive 2014/34/EU: EN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010


  • Availability: In Stock
  • Estimated Lead Time: Usually Ships in 1 - 3 Working Days
  • Shipping Weight: 1 Kg

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