Siemens SIRIUS 3RT Series System Manual page 368

Modular system for the control cabinet
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SIRIUS 3RF34 solid-state switching devices
3.11 Technical data
1
t
= 0.05 s
a
2
t
= 0.1 s
a
3
t
= 0.2 s
a
4
t
= 0.4 s
a
5
t
= 0.8 s
a
6
t
= 1.6 s
a
7
t
= 3.2 s
a
Figure 3-24
Maximum permissible switching frequency z depending on the starting time t
motors with a starting current of 4 to 7.2 times the rated current and with full load
368
and the ON period t
a
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
for
ED

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