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BETA Switching
Timers
5
TT3 18 timers for industrial applications
9/22
Siemens ET B1 · 10/2008
9
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Dimensional drawings
■
Schematics
■
More information
5
TT3 181 delay timers
Response delay
5
TT3 183 flashing timers
Flashing function
5
TT3 182 wiper timers
Wiper function
5
TT3 184 off-delay timers
OFF-delay
5
TT3 185
5
TT3 181 5TT3 182
5
TT3 183
5
TT3 184
5
TT3 185
5
TT3 181
5
TT3 182
5
TT3 183
5
TT3 184
B1 A1
A2
15
16 18
MF
A1
Z5 Z3
15
16 18
A2 Z4
A2
A1
15
16 18
A1
A2 15
1618
I2_07026
15-18
15-16
A1-A2
t
V
t
V
= Time delay
Possible time setting ranges t
v
0.25
s ...
2.5
s
1
s
... 10
s
8
s ... 80 s
64
s ... 300 s
Possible joint time setting
range of t
on
= t
off
= t
1
s ... 10 s
I2_07024
t
an
15-18
15-16
A1-A2
t
ab
t
an
= Relay energized
t
ab
= Relay de-energized
I2_07023a
15-18
15-16
A1-A2
W
t
= Wiping time
W
t
Possible time setting
ranges t
w
1
s ... 10 s
Possible time setting ranges t
1
s ... 10 s
t
1
= interruption
I2_07025
15-18
15-16
A1-A2
t
t
1
t < t
1
A
t = Drop out delay
© Siemens AG 2008