1
IK 8839, IL 8839 / 11.06.07 e
Installation / monitoring technique
Current monitor IK 8839, IL 8839
varimeter
•
According to IEC/EN 60 255, DIN VDE 0435-303
•
Measuring range 0.175 ... 1 A
•
Fixed switching point setting
•
High maximum load
•
As option with semiconductor output
•
Width
IK 8839: 17.5 mm
IL 8839: 35 mm
Circuit diagram
0222089
Function diagram
11-14
11-14
IK8839
IK8839/100
i/k
U
H
11-12
11-12
t
t
t
t
I
A1/A2
M 6532
Input
Switching point, fixed:
Permanent maximum load
2 s
AC 0,175 A:
AC 5 A
AC 16 A
AC 0,75 A:
AC 20 A
AC 150 A
AC 1,0 A:
AC 20 A
AC 150 A
Switching tolerance:
± 15 %
Frequency influence:
48 ... 52 Hz / – 8 % ... + 3 %
Auxiliary voltage U
H
:
AC/DC 24 V, AC/DC 48 V
AC 110 ... 127 V, AC 220 ... 230 V
Voltage range:
0.8 ... 1.1 U
N
Nominal consumption
at AC 230 V
:
50 / 60 Hz
apparent power:
2.2 VA
active power:
0.5 W
Nominal frequency:
50 Hz
Nominal consumption:
±
5 %
Output
Contacts
IK 8839.11:
1 changeover contact
Operate time:
approx. 60 ms
Thermal current I
th
:
5 A
Switching capacity
to AC 15
NO contact:
3 A / AC 230 V
IEC/EN 60 947-5-1
NC contact:
1 A / AC 230 V
IEC/EN 60 947-5-1
Electrical life
IEC/EN 60 947-5-1
to AC 15 at 5 A, AC 230 V:
approx. 10
5
switching cycles
to AC 15 at 8 A, AC 230 V:
approx. 5 x 10
4
switching cycles
Permissible switching
frequency:
3000 / h
Short circuit strength
max. fuse rating:
4 AgL
IEC/EN 60 947-5-1
Mechanical life:
20 x 10
6
switching cycles
General data
Operating mode:
Continuous operation
Temperature range:
- 20 ... + 60
°
C
Clearance and creepage
distances
overvoltage category /
contamination level:
4 kV / 2
IEC 60 664-1
Approvals and marking
Application
For monitoring the operation of consumers that are primarily
electrothermal in nature, e.g. heating spirals, supplementary tubular
heaters. The current monitor checks whether the operating current is
flowing when the consumer is switched on.
Technical data
r
All technical data in this list relate to the state at the moment of edition. We reserve the right
for technical improvements and changes at any time.
IK 8839
IL 8839
IK 8839.11
M7081_a
12 14
A1 A2
11 i
k
i
k
A1
A2
11
12
14
M8257
18 17
+
A1
k
i
A2
A2
i
k
A1
17+
18
IL 8839.95
