BETA Monitoring
Monitoring of Electrical Values
7
LQ3 insulation monitors for medical premises
13/27
Siemens ET B1 · 10/2008
13
*
You can order this quantity or a multiple thereof.
Current transformer Class 1
7
LQ3 358
Standards
IEC/EN 60044-1, VDE 0414
Rated control voltage U
c
V AC
230
Rated frequency
Hz
50/60
Test voltage
50
Hz ... 1 min
kV
3
Rated transmission ratio k
n
A
50/5
Primary rated current
A
50
Secondary rated current
A
5
Rated power
V/A
1.5
Class
1
Rated frequency
Hz
50 ... 60
Highest voltage at equipment / insulation level
kV
0.72 / 3
Overcurrent factor
FS5
•
Thermal rated short-time current
60
×
I
n
•
Thermal rated continuous current
1.2
×
I
n
Expanded current range
120 %
Permissible ambient temperature
°C
-20 …
+60
Test and signaling combination for insulation monitors
7
LQ3 360
Standards
DIN VDE 0100-710; IEC 60364-7-710
Rated voltage U
n
V AC
24
Voltage range
AC
0.8 ... 1.1
U
n
Connected load
W
0.5
Rated operating mode
Continuous operation
EMC
•
Static discharge
Acc. to IEC/EN 61000-4-2 kV
8 (
air discharge)
•
RF irradiation
Acc. to IEC/EN 61000-4-3 V/m
10
•
Rapid transients
Acc. to IEC/EN 61000-4-4 kV
2
•
Surge voltage (surge)
Acc. to IEC/EN 61000-4-5 kV
1
Degree of protection
IP30
Resistance to vibrations
Acc. to IEC/EN 60068-2-6
Amplitude
mm
0.35
Frequency
Hz
10 ... 55
Temperature range
°C
-5 ...
+55
Resistance to climate
Acc. to IEC/EN 60068-1
05/055/04
Terminal marking
EN 50005
Connection of conductors
•
Solid
mm
2
1
× 4
•
Strand with sleeve and plastic collar
mm
2
1
× 2.5
•
Strand with sleeve and plastic collar
DIN 46228-1/-2/-3/-4
mm
2
2
× 1.5
•
Strand with sleeve
DIN 46228-1/-2/-3
mm
2
2
× 2.5
Conductor mounting
Box terminals with wire protection
Net weight
g
100
Device dimensions
mm
80
× 80 × 35
© Siemens AG 2008




