Technical data kfd2-sr2-ex2.w – VEGA KFD2-SR2-Ex2.W User Manual
Page 2

2
Subject to reasonable modifications due to technical advances.
Copyright Pepperl+Fuchs, Printed in Germany
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Technical Data
KFD2-SR2-Ex2.W
103
36
8_
EN
G.xm
l
2
003
-06-
0
3
Supply
Connection
Power Rail or terminals 14+, 15-
Rated voltage
20 ... 30 V DC
Ripple
≤ 10 %
Rated current
≤ 50 mA
Power loss
0,7 W
Power consumption
< 1,3 W
Input
Connection
terminals 1+, 2+, 3-; 4+, 5+, 6-
Rated values
acc. to IEC 60947-5-6 (NAMUR, DIN 19234), see system description for electrical data
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
Pulse/Pause ratio
≥ 20 ms / ≥ 20 ms
Lead monitoring
breakage I ≤ 0,1 mA , short-circuit I > 6 mA
Output
Connection
output I: terminals 7, 8, 9 ; output II: terminals 10, 11, 12
Output
I and II
signal ; relay
Contact loading
253 V AC / 2 A / cos ϕ > 0.7; 126.5 V AC / 4 A / cos ϕ > 0.7; 40 V DC / 2 A resistive load
Energised/De-energised delay
approx. 20 ms / approx. 20 ms
Mechanical life
10
7
switching cycles
Transfer characteristics
Switching frequency
≤ 10 Hz
Electrical isolation
Output/Power supply
reinforced insulation according to IEC 61140, rated insulation voltage 300 V
eff
Output/Output
from january 2002 reinforced insulation according to IEC 61140, rated insulation voltage 300 Veff
Standard conformity
Climatic conditions
acc. to DIN IEC 721
Directive conformity
Electromagnetic compatibility
standards
Directive 89/336/EG
EN 61326, EN 50081-2, NE 21
Ambient conditions
Ambient temperature
-20 ... 60 °C (253 ... 333 K)
Mechanical specifications
Protection degree
IP20
Mass
approx. 150 g
Data for application in conjunction
with hazardous areas
EC-Type Examination Certificate
PTB 00 ATEX 2080 , for additional certificates see www.pepperl-fuchs.com
Group, category, type of protection
¬ II (1) G D [EEx ia] IIC [circuit(s) in zone 0/1/2]
Input
EEx ia IIC
Voltage
U
0
10,5 V
Current
I
0
13 mA
Power
P
0
34 mW (linear characteristic)
Supply
Safety maximum voltage
U
m
253 V AC / 125 V DC (Attention! U
m
is no rated voltage.)
Type of protection [EEx ia and EEx ib]
Explosion group
IIA
IIB
IIC
External capacitance
75 µF
16,8
µF
2,41
µF
External inductance
1000 mH 840 mH
210 mH
Statement of conformity
TÜV 99 ATEX 1493 X , observe statement of conformity
Group, category, type of protection,
Temperature classification
¬ II 3 G EEx nAC IIC T4 [device in zone 2]
Output
Contact loading
253 V AC / 2 A / cos ϕ > 0.7; 126.5 V AC / 4 A / cos ϕ > 0.7; 40 V DC / 2 A resistive load (PTB 00 ATEX 2080)
50 V AC / 4 A / cos ϕ > 0.7; 40 V DC / 2 A resistive load (TÜV 99 ATEX 1493 X)
Safety maximum voltage
U
m
253 V AC (Attention! The rated voltage can be lower)
Electrical isolation
Input/Input
not available
Input/Output
safe electrical isolation acc. to EN 50020, voltage peak value 375 V
Input/Power supply
safe electrical isolation acc. to EN 50020, voltage peak value 375 V
Directive conformity
standards
Directive 94/9 EU
EN 50014, EN 50020, EN 50021
Entity parameter
Certification number
J.I.3002773
FM control drawing
No. 116-0035
Suitable for installation in division 2
yes