Installation / mounting
9.3 Soft starter with line contactor (type of coordination 1)
SIRIUS 3RW30 / 3RW40
Manual, 10/2018, NEB535199502000/RS-AB/005
73
Soft starter with line contactor (type of coordination 1)
If electrical isolation is specified, you can install a motor contactor between the soft starter
and the motor starter protector.
Figure 9-2 Block diagram of a feeder with an optional main / line contactor
Note
For the component design, refer to chapter
Technical data (Page 127).
Note
If a main or line contactor is
used, it should not be connected between the soft starter and
the motor. The soft starter could otherwise indicate a "Missing load voltage" fault in case of a
start command and delayed connection of the contactor.
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