Serviceline Industrial Sensors
Phone: 330-486-0001
Fax: 330-405-4710
Serviceline Explosion Protection
Phone: 330-486-0002
Fax: 330-963-5827
Not available for purchase
Not available for purchase

Isolated Switch Amplifier KFD2-SR-Ex2

KFD2-SR-Ex2
  • 2-channel
  • Control circuit EEx ia IIC
  • 24 V DC rated operating voltage
  • Reversible mode of operation
  • Lead breakage (LB) and short-circuit (SC) monitoring
  • 1 signal output per channel with 1 NO

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  KFD2-SR-Ex2

General specifications
Signal typeDigital Input
Supply
ConnectionPower Rail or terminals 11 (L+), 12 (L-)
Rated voltage20 ... 35 V DC
Ripple≤ 10 %
Rated current47 ... 27 mA
Power dissipation< 850 mW
Power consumption< 850 mW
Input
Connectionterminals 1+, 2+, 3-; 4+, 5+, 6-
Rated valuesacc. to EN 60947-5-6 (NAMUR)
Open circuit voltage/short-circuit currentapprox. 8 V DC / approx. 8 mA
Switching point/switching hysteresis1.2 ... 2.1 mA / approx. 0.2 mA
Pulse/Pause ratiomin. 20 ms / min. 20 ms
Line fault detectionbreakage I ≤ 0.1 mA , short-circuit I ≥ 6 mA
Output
Connectionoutput I: terminals 7, 8 ; output II: terminals 9, 10
Contact loading253 V AC/2 A /cos φ > 0.7; 40 V DC/2 A resistive load;
Energized/De-energized delayapprox. 20 ms / approx. 20 ms
Mechanical life5 x 107 switching cycles
Transfer characteristics
Switching frequency≤ 25 Hz
Directive conformity
Electromagnetic compatibility
Directive 2004/108/ECEN 61326-1:2006
Low voltage
Directive 2006/95/ECEN 50178:1997
Ambient conditions
Ambient temperature-20 ... 60 °C (-4 ... 140 °F)
Mechanical specifications
Degree of protectionIP20
Massapprox. 150 g
Data for application in connection with hazardous areas
EC-Type Examination CertificatePTB 00 ATEX 2082 , for additional certificates see www.pepperl-fuchs.com
Group, category, type of protectionEx-Hexagon II (1)GD [EEx ia] IIC [circuit(s) in zone 0/1/2]
Directive conformityStandards
Directive 94/9/ECEN 50014, EN 50020

Classifications

SystemClasscode
ECLASS 13.027210121
ECLASS 12.027210121
ECLASS 11.027210121
ECLASS 10.0.127210121
ECLASS 9.027210121
ECLASS 8.027210121
ECLASS 5.127210121
ETIM 9.0EC001485
ETIM 8.0EC001485
ETIM 7.0EC001485
ETIM 6.0EC001485
ETIM 5.0EC001485
UNSPSC 12.132101514

Details: KFD2-SR-Ex2

Product Documentation: KFD2-SR-Ex2

Language Selection:
ManualsLanguageFile TypeFile Size
ManualENGPDF3685 KB
Safety Products Selector

Choose from various selection criteria like safety integrity level, performance level, device function, and signal type and find the SIL/PL assessed device that you are looking for.