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BETA Monitoring
Monitoring of Electrical Values
5
TT3 insulation monitors
for industrial applications
13/23
Siemens ET B1 · 10/2008
13
*
You can order this quantity or a multiple thereof.
■
Selection and ordering data
■
Dimensional drawings
■
More information
Function charts
l
Contacts
U
c
U
e
Measuring
range
MW DT Order No.
Price
per PU
PG PU PS*/
P. unit
Weight
per PU
approx.
V AC V
k
Unit(s) Unit(s) kg
Insulation monitors
For monitoring the insulation resistance in
non-grounded AC and three-phase systems
from 10 ... 1000 Hz
2
CO
250
0 ... 500
V AC 5 ... 100 2 B
5
TT3 470
027 1
1
0.160
For monitoring the insulation resistance in
non-grounded DC systems
2
CO
250 12 ... 280
V DC 5 ... 200 2 B
5
TT3 471
027 1
1
0.170
5
TT3 470 5TT3 471
36
PT PE
L
LT2 LT1
11
12
14
21
22
24
A2 A1
36
PT PE
L-
L+
LT X1
5 43
64
45
90
I2_11519
11
12
14
21
22
24
5
TT3 470, 5TT3 471
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© Siemens AG 2008