Serviceline Industrial Sensors
Serviceline Explosion Protection
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Conductivity Switch Amplifier KFA5-ER-Ex1.W.LB

  • 1-channel isolated barrier
  • 115 V AC supply
  • Level sensing input
  • Adjustable range 1 kΩ ... 150 kΩ
  • Relay contact output
  • Fault relay contact output
  • Adjustable time delay up to 10 s
  • Minimum/maximum control
  • Line fault detection (LFD)

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of KFA5-ER-Ex1.W.LB

Product Description
115 V AC
General specifications
Signal typeDigital Input
Connectionterminals 14, 15
Rated voltage103.5 ... 126 V AC , 45 ... 65 Hz
Rated current12 mA
Power consumption< 1.2 W
Connectionterminals 1 (mass), 2 (min), 3 (max)
Control inputmin./max. control system: terminals 1, 2, 3
on/off control system: terminals 1, 3
Response sensitivity1 ... 150 kΩ , adjustable via potentiometer
Connectionterminals 7, 8, 9; 10, 11, 12
Switching powermax. 192 W , 2000 VA
Outputsignal ; relay
Time constant for signal damping0.5 s, 2 s, 5 s, 10 s
Directive conformity
Electromagnetic compatibility
Directive 2004/108/ECEN 61326-1:2006
Low voltage
Directive 2006/95/ECEN 50178:1997
Insulation coordinationEN 50178:1997
Galvanic isolationEN 50178:1997
Electromagnetic compatibilityNE 21:2006
Degree of protectionIEC 60529:2001
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Connectionscrew connection, max. 2.5 mm2
Massapprox. 150 g
Dimensions20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
Mountingon 35 mm DIN mounting rail acc. to EN 60715:2001
Data for application in connection with hazardous areas
EC-Type Examination CertificateDMT 00 ATEX E 032 , for additional certificates see
Group, category, type of protectionEx-Hexagon II (1)G [EEx ia] IIC [circuit(s) in zone 0/1/2]
Directive conformity
Directive 94/9/ECEN 50014, EN 50020, EN 50284

Documents: KFA5-ER-Ex1.W.LB

ManualsLanguageFile TypeFile Size
Manual Isolated Barriers K-systemENGPDF760 KB
Manuel pour Barrières Isolées de Système KFRAPDF759 KB
Handbuch Trennbarrieren K-SystemGERPDF745 KB
Manual Isolated Barriers K-systemRUSPDF4107 KB
Instructions, short instructions, safety information
ИнструкцииBULPDF62 KB
Návod k poużitíCZEPDF57 KB
Instruktions manualDANPDF55 KB
Instruction manualENGPDF49 KB
KasutusjuhendESTPDF53 KB
KäyttöohjeFINPDF53 KB
Manuel d'instructionsFRAPDF91 KB
BetriebsanleitungGERPDF51 KB
Οδηγίες χρήσηςGREPDF65 KB
HandleidingHOLPDF67 KB
Instruction manual / BetriebsanleitungHRVPDF65 KB
Használati útmutatóHUNPDF66 KB
Manuale di istruzioniITAPDF89 KB
Lietošanas pamācībaLAVPDF65 KB
Instrukciju vadovasLITPDF65 KB
Instrukcja obsługiPOLPDF68 KB
Manual de instruçõesPORPDF68 KB
Manual de utilizareRONPDF67 KB
Návod na poużitieSLKPDF126 KB
Manual de instruccionesSPAPDF91 KB

Approvals+Certificates: KFA5-ER-Ex1.W.LB

CertificatesCertificate No.File TypeFile Size
Belarus11-1-019-2013PDF1639 KB
Europe DMT ATEX Category (1) GDMT 00 ATEX E 032PDF443 KB