A.1.2
Feeder assembly, type of coordination 1 with fuses
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.
Feeder assembly, type of coordination 1 with fuses
If galvanic isolation is required, install a motor contactor between the soft starter and the fuses
protector.
)
/
/
/
3(
7
/
%
%
%
7
/
7
7
7
7
/
/
/
/
4
4
:
9
8
0
0
4
F1
gG full-range fuse for cable and line protection (e.g. 3NA3)
Q12
Motor contactor for electrical decoupling
Q21
External bypass contactor
Q11
3RW51 soft starter
M1
Motor
PE
Protective conductor
Example circuits
A.1 Main circuit connection
SIRIUS 3RW51 Soft Starter
168
Equipment Manual, 09/2020, A5E37108631002A/RS-AC/003
Содержание SIRIUS 3RW51
Страница 8: ...Table of contents SIRIUS 3RW51 Soft Starter 8 Equipment Manual 09 2020 A5E37108631002A RS AC 003 ...
Страница 32: ...Description 3 10 Accessories SIRIUS 3RW51 Soft Starter 32 Equipment Manual 09 2020 A5E37108631002A RS AC 003 ...
Страница 128: ...Functions 8 12 3RW5 HMI High Feature SIRIUS 3RW51 Soft Starter 128 Equipment Manual 09 2020 A5E37108631002A RS AC 003 ...
Страница 166: ...Circuit diagrams 13 1 CAx data SIRIUS 3RW51 Soft Starter 166 Equipment Manual 09 2020 A5E37108631002A RS AC 003 ...
Страница 208: ...Glossary SIRIUS 3RW51 Soft Starter 208 Equipment Manual 09 2020 A5E37108631002A RS AC 003 ...
Страница 210: ...Index SIRIUS 3RW51 Soft Starter 210 Equipment Manual 09 2020 A5E37108631002A RS AC 003 ...