Technical data kfa6-sr2-ex1.w – VEGA KFA6-SR2-Ex1.W User Manual
Page 2
2
Subject to reasonable modifications due to technical advances.
Copyright Pepperl+Fuchs, Printed in Germany
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Technical Data
KFA6-SR2-Ex1.W
103
37
4_
EN
G.xm
l
2
003
-03-
2
5
Supply
Connection
terminals 14, 15
Rated voltage
207 ... 253 V AC, 45 ... 65 Hz
Ripple
-
Rated current
-
Power loss
1 W
Power consumption
≤ 1 W
Input
Connection
terminals 1+, 2+, 3-
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
terminals 7, 8, 9
Output
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
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 2081 , 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
10,6 V
Current
I
0
19,1 mA
Power
P
0
51 mW (linear characteristic)
Type of protection [EEx ia and EEx ib]
Explosion group
IIA
IIB
IIC
External capacitance
72
µF
16,2
µF
2,32
µF
External inductance
780 H
390 mH
97 mH
Supply
Safety maximum voltage U
m
253 V AC / 126,5 V AC (Attention! U
m
is no rated voltage.)
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
Safety maximum voltage U
m
253 V AC (Attention! The rated voltage can be lower)
Electrical isolation
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
Entity parameter
Certification number
J.I.3002773
FM control drawing
No. 116-0035
Suitable for installation in division 2
yes
Connection
terminals 1, 3; 2, 3; 4, 6; 5, 6
Input
I
Voltage V
OC
12,9 V
Current I
t
19,8 mA
Explosion group
A&B
C&E
D, F&G