BETA Monitoring
Monitoring of Electrical Values
5
TT3 voltage relays
13/7
Siemens ET B1 · 10/2008
13
*
You can order this quantity or a multiple thereof.
5
TT3 411 and 5TT3 412 voltage relays
For characteristic curves
of the 5TT3 411 and 5TT3 412
voltage relays,
see "Monitoring of medical premises" on page
13/33
.
■
Dimensional drawings
5
TT3 4 and 5TT3 1 voltage relays
5
TT3 410 N-conductor monitors
5
TT3 411 and 5TT3 412 voltage relays
For dimensional drawings of the 5TT3 411 and 5TT3 412 voltage
relays,
see "Monitoring of medical premises" on page 13/31.
Timing interval of
5
TT3 407 short-time relays
Timing interval of
5
TT3 408 under/overvoltage relays
t
v
:
adjustable automatic reclosing delay 0.2 to 20 s
t: adjustable OFF delay 0.1 to 20 s
The undervoltage relay switches at a phase asymmetry of approx. 6 to 8 %,
regardless of the response values for undervoltage. The above diagram
shows the timing interval for undervoltage or asymmetry.
The undervoltage relay switches at a phase asymmetry of approx. 6 to 8 %,
regardless of the response values for undervoltage. The above diagram
shows the timing interval for undervoltage.
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5
TT3 400
5
TT3 401
5
TT3 402
5
TT3 403
5
TT3 404
5
TT3 405
5
TT3 407
5
TT3 408
5
TT3 194 5TT3 195
5
TT3 406
L1 L2 L3 N
14 11 24 21
12 22
L1 L2 L3 N
14 11 24 21
12 22
18
36
36
36
L1 L2
L1
14 11
12
14 11 24 21
12 22
L1 L2 L3
N
5 43
64
45
90
I2_11515
L1 L2 L3 N
14 11 24 21
12 22
36
5 43
64
45
90
I2_11516
© Siemens AG 2008




