Example circuits
A.1 Main circuit connection
3RW51 Soft Starter
150
Manual, 06/2019, A5E37108631002A/RS-AB/002
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.
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
Содержание 3RW51 Series
Страница 142: ...Maintenance and servicing 9 5 Restore factory setting 3RW51 Soft Starter 142 Manual 06 2019 A5E37108631002A RS AB 002 ...
Страница 146: ...Dimension drawings 11 1 CAx data 3RW51 Soft Starter 146 Manual 06 2019 A5E37108631002A RS AB 002 ...
Страница 148: ...Circuit diagrams 12 1 CAx data 3RW51 Soft Starter 148 Manual 06 2019 A5E37108631002A RS AB 002 ...
Страница 169: ...Example circuits A 2 Control circuit connection 3RW51 Soft Starter Manual 06 2019 A5E37108631002A RS AB 002 169 ...
Страница 190: ...Glossary 3RW51 Soft Starter 190 Manual 06 2019 A5E37108631002A RS AB 002 ...
Страница 192: ...Index 3RW51 Soft Starter 192 Manual 06 2019 A5E37108631002A RS AB 002 ...