E. DOLD & SOHNE IK 8839 Installation / Monitoring Technique

Installation / monitoring technique
Current monitor IK 8839, IL 8839
r
varimeter
IK 8839
Function diagram
U
H
A1/A2
I
i/k
11-14
IK8839
11-12
11-14
IK8839/100
11-12
Circuit diagram
11 i
k
A1 A2
k
i
12
11
14
A1 A2
12 14
M7081_a
IK 8839.11
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.
IL 8839
t
t
t
t
M 6532
i
k
A1 A2
i k
17+ 18
A1 A2
18 17 +
M8257
IL 8839.95
• 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
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
Input
Switching point, fixed:
AC 0,175 A:
AC 0,75 A:
AC 1,0 A:
Switching tolerance:
Frequency influence:
Auxiliary voltage U :
H
Voltage range:
Nominal consumption
at AC 230 V:
apparent power:
active power:
Nominal frequency:
Nominal consumption:
Output
Contacts
IK 8839.11:
Operate time:
Thermal current I :
th
Switching capacity
to AC 15
NO contact:
NC contact:
Electrical life
to AC 15 at 5 A, AC 230 V:
to AC 15 at 8 A, AC 230 V:
Permissible switching
frequency:
Short circuit strength
max. fuse rating:
Mechanical life:
General data
Operating mode:
Temperature range:
Clearance and creepage
distances
overvoltage category /
contamination level:
1
Permanent maximum load
AC 5 A AC 16 A
AC 20 A AC 150 A
AC 20 A AC 150 A
± 15 %
48 ... 52 Hz / – 8 % ... + 3 %
AC/DC 24 V, AC/DC 48 V
AC 110 ... 127 V, AC 220 ... 230 V
0.8 ... 1.1 U
N
50 / 60 Hz
2.2 VA
0.5 W
50 Hz
± 5 %
1 changeover contact
approx. 60 ms
5 A
3 A / AC 230 V IEC/EN 60 947-5-1
1 A / AC 230 V IEC/EN 60 947-5-1
IEC/EN 60 947-5-1
approx. 10 5 switching cycles
approx. 5 x 10 4 switching cycles
3000 / h
4 AgL IEC/EN 60 947-5-1
20 x 10 6 switching cycles
Continuous operation
- 20 ... + 60°C
4 kV / 2 IEC 60 664-1
IK 8839, IL 8839 / 11.06.07 e
2 s