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Repeater KFD0-CS-2.50

  • 2-channel signal conditioner
  • 24 V DC supply (loop powered)
  • Current input/output 4 mA ... 20 mA
  • transmitter power supply
  • Accuracy 0.1 %
  • Reverse polarity protection
  • Up to SIL 2 acc. to IEC/EN 61508
 Please contact the Serviceline for exact delivery estimation
320.00 USD
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Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  KFD0-CS-2.50

General specifications
Signal typeAnalog input/analog output
Functional safety related parameters
Safety Integrity Level (SIL)SIL 2
Rated voltage10 ... 35 V DC , loop powered
Power dissipation0.4 W
Control circuit
Connectionterminals 12-, 11+; 8-, 10-, 9+
Voltage10 ... 35 V DC
Current4 ... 20 mA
Power dissipation< 150 mW per channel at 25 mA and U < 26.1 V
< 400 mW per channel at 25 mA und U > 26.1 V
Field circuit
Connectionterminals 1+, 2-; 4+, 5-
Voltage≥ 0.9 x Uin - (0.23 x current in mA) - 0.7 for 10 V < Uin < 26.1 V
≥ 23 V - (0.23 x current in mA) for Uin > 26.1 V
Short-circuit currentmax. 100 mA
Transfer currentmax. 25 mA
Transfer characteristics
Accuracy0.1 %
After calibrationUin ≥ 5 V ± 20 µA/Uin ≤ 5 V ± 50 µA incl. calibration, linearity, hysteresis and output load fluctuations at the field side; at 20 °C (68 °F)
Influence of ambient temperature≤ ± 2 µA/K at Uin ≤ 20 V; ≤ ± 5 µA/K at Uin > 20 V
Rise time≤ 5 ms at 4 ... 20 mA and Uin = input voltage < 26 V
Galvanic isolation
Input/Outputbasic insulation according to IEC 62103, rated insulation voltage 300 Veff
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Electromagnetic compatibilityNE 21:2012
EN 61326-3-2:2008
Degree of protectionIEC 60529:2001
Protection against electrical shockEN 61010-1:2010
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
extended ambient temperature range up to 70 °C (158 °F), refer to manual for necessary mounting conditions
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 100 g
Dimensions20 x 107 x 115 mm (0.8 x 4.2 x 4.5 inch) (W x H x D) , housing type B1
Height107 mm
Width20 mm
Depth115 mm
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see


ECLASS 13.027210120
ECLASS 12.027210120
ECLASS 11.027210120
ECLASS 10.0.127210120
ECLASS 9.027210120
ECLASS 8.027210120
ECLASS 5.127210120
ETIM 9.0EC002653
ETIM 8.0EC002653
ETIM 7.0EC002653
ETIM 6.0EC002653
ETIM 5.0EC001485
UNSPSC 12.132101514

Details: KFD0-CS-2.50


This signal conditioner provides the galvanic isolation between field circuits and control circuits.

The device can be used as a repeater or transmitter power supply for 2-wire transmitters.

This device is loop powered. No additional power supply has to be connected.

Use the technical data to verify that proper voltage is available to the field devices.

Informative Literature: KFD0-CS-2.50

Language Selection:
LiteratureLanguageFile TypeFile Size
Application Report - Generating Electricity in Coal-Fired Power PlantsENGPDF412 KB
Application Report - Screening Systems in Sewage Treatment PlantsENGPDF577 KB

Product Documentation: KFD0-CS-2.50

Language Selection:
Safety and Security DocumentationLanguageFile TypeFile Size
Instruction manualENGPDF41 KB
Functional Safety ManualENGPDF1969 KB
System ManualENGPDF3694 KB

Design / Simulation: KFD0-CS-2.50

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CAD Portal / CAD PortalALLLINK---

Approvals: KFD0-CS-2.50

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Associated Products: KFD0-CS-2.50

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