SIRIUS 3RF34 solid-state switching devices
3.11 Technical data
SIRIUS Innovations
364 System Manual, 01/2011, A8E56203870002-03
,D,H ,E,H
W('>V@
]>K@
1 t
a
= 0.05 s
2 t
a
= 0.1 s
3 t
a
= 0.2 s
4 t
a
= 0.4 s
5 t
a
= 0.8 s
6 t
a
= 1.6 s
7 t
a
= 3.2 s
Figure 3-20 Maximum permissible switching frequency z depending on the starting time
t
a
and the ON period
t
ED
for
motors with a starting current of 4 to 7.2 times the rated current and 60% load
1)
1)
The dashed curves apply to the high currents during operation with a motor starter
protector.
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