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BETA Monitoring
Monitoring of Electrical Values
7
LQ3 insulation monitors for medical premises
13/35
Siemens ET B1 · 10/2008
13
*
You can order this quantity or a multiple thereof.
Test and signaling panels
X1 ... X7
Fault signaling inputs
X8
Acknowledgement of horn/lamp test
SM
Central indication output
PT1, PT2 Test button for insulation monitors
7
LQ3 356, 7LQ3 357
X1
PT1
PT2
PT PE
X2 X3 X4 X5 X6 X7 X8 SM A1
A2
L(L+)
N(L-)
1
2 3 4
6 5
7
8
I2_13991
7
LQ3 354 / 7LQ3 355
7
LQ3 356 /7LQ3 357
11 14 31 34 51 54
OK
Failure
OK
Failure
Line 2
Line 1
9
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External
QH / LT
© Siemens AG 2008