Serviceline Industrial Sensors
Serviceline Explosion Protection

Switch Amplifier KFD2-SH-Ex1.T.OP

  • 1-channel isolated barrier
  • 24 V DC supply (Power Rail)
  • Input for approved dry contacts or SN/S1N sensors
  • Active voltage output
  • Relay contact output
  • Fault indication output
  • Line fault detection (LFD)
  • Up to SIL 3 acc. to IEC 61508
  • Up to PL d acc. to EN/ISO 13849

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of KFD2-SH-Ex1.T.OP

Product Description
24 V DC
General specifications
Signal typeDigital Input
Functional safety related parameters
Safety Integrity Level (SIL)SIL 3
Performance level (PL)PL d
ConnectionPower Rail
Rated voltage20 ... 30 V DC
Ripple≤ 10 %
Rated current≤ 100 mA
Power dissipation1.5 W
Power consumptionmax. 1.7 W
Connection sidefield side
Connectionterminals 4+, 6-
Open circuit voltage/short-circuit currentapprox. 8.4 V DC / approx. 11.7 mA
Lead resistancemax. 50 Ω , cable capacitances and inductances must be observed in hazardous areas
Switching point
Relay de-energizedI < 2.1 mA and I > 5.9 mA , output switched off
Relay energized2.8 mA < I < 5.3 mA , output switched on
Response delay≤ 1 ms
Connection sidecontrol side
Connectionoutput I: terminals 7+, 8- ; output II: terminals 9, 10 ; output III: terminals 11, 12
Output Iactive voltage output, short-circuit proof
0-signal: 0 V
1-signal: 20 ... 31 V DC at max. 15 mA
fault: 0 V
Output IIrelay
Contact loading48 V AC/DC
250 mA
Mechanical life≤ 20 x 106 switching cycles
Output IIIrelay , fault signal
Contact loading48 V AC/DC
250 mA
Mechanical life≤ 20 x 106 switching cycles
Transfer characteristics
Switching frequency
Output I≤ 50 Hz
Output II≤ 5 Hz
Output III≤ 5 Hz
Display elementsLEDs
Labelingspace for labeling at the front
Directive conformity
Electromagnetic compatibility
Directive 2014/30/EUEN 61326-1:2013 (industrial locations)
Machinery Directive
Directive 2006/42/ECEN/ISO 13849-1:2008
Electromagnetic compatibilityNE 21:2011
Degree of protectionIEC 60529:2001
SafetyIEC/EN 61508:2010
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew terminals
Massapprox. 150 g
Dimensions20 x 107 x 115 mm (0.8 x 4.2 x 4.5 inch) , housing type B1
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EU-Type Examination CertificatePTB 00 ATEX 2041
MarkingEx-Hexagon II (1)GD [EEx ia] IIC [circuit(s) in zone 0/1/2]
InputEEx ia IIC
Voltage9.56 V
Current16.8 mA
Power41 mW (linear characteristic)
Maximum safe voltage40 V AC/DC (Attention! The rated voltage can be lower.)
Contact loading48 V AC/DC
250 mA
Maximum safe voltage60 V AC/DC (Attention! The rated voltage can be lower.)
CertificateTÜV 99 ATEX 1493 X
MarkingEx-Hexagon II 3G Ex nA nC IIC T4
Galvanic isolation
Input/Outputsafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Input/power supplysafe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V
Directive conformity
Directive 2014/34/EUEN 60079-0:2012+A11:2013 , EN 60079-11:2012 , EN 60079-15:2010
International approvals
FM approval
Control drawing116-0158
General information
Supplementary informationObserve the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see

Documents: KFD2-SH-Ex1.T.OP

ManualsLanguageFile TypeFile Size
Manual Isolated Barriers K-systemENGPDF760 KB
Original Instructions/Functional Safety ManualENGPDF660 KB
Manuel pour Barrières Isolées de Système KFRAPDF759 KB
Handbuch Trennbarrieren K-SystemGERPDF745 KB
Originalbetriebsanleitung/Handbuch Funktionale SicherheitGERPDF663 KB
Manual Isolated Barriers K-systemRUSPDF4107 KB
Instructions, short instructions, safety information
ИнструкцииBULPDF69 KB
Návod k poużitíCZEPDF61 KB
Instruktions manualDANPDF58 KB
Instruction manualENGPDF50 KB
KasutusjuhendESTPDF56 KB
KäyttöohjeFINPDF56 KB
Manuel d'instructionsFRAPDF97 KB
BetriebsanleitungGERPDF62 KB
Οδηγίες χρήσηςGREPDF73 KB
HandleidingHOLPDF72 KB
Instruction manual / BetriebsanleitungHRVPDF70 KB
Használati útmutatóHUNPDF71 KB
Manuale di istruzioniITAPDF93 KB
Lietošanas pamācībaLAVPDF68 KB
Instrukciju vadovasLITPDF68 KB
Instrukcja obsługiPOLPDF72 KB
Manual de instruçõesPORPDF72 KB
Manual de utilizareRONPDF71 KB
Návod na poużitieSLKPDF130 KB
Manual de instruccionesSPAPDF95 KB

Approvals+Certificates: KFD2-SH-Ex1.T.OP

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-0594PDF107 KB
Brasil TUV Rheinland Brazil Ex nA nCTÜV 13.1124XPDF662 KB
China NEPSIGYJ 15.1116PDF3050 KB
EAC EAC TP TC 020/2011TC RU C-DE.MH04.B.00397PDF680 KB
Europe PTB ATEX Category (1) GDPTB 00 ATEX 2041PDF436 KB
Europe TUV Nord ATEX Category 3 GTÜV 99 ATEX 1493XPDF1702 KB
Korea KOSHA11-AV4BO-0063PDF569 KB
Russia Belarus EAC Kazakhstan NANIO "CCVE"TC RU C-IT.GB05.B.00718PDF2731 KB
TÜV SÜD Functional Safety AssessmentPM85769TPDF1092 KB
USA FMFM Listed (Approval Guide)LINK---