Siemens SIRIUS 3RW51 Equipment Manual page 191

Soft starters and solid-state switching devices
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Wiring of the 3RW51 soft starter
F1
S1
S2
Q1
Q11
Q21
SIRIUS 3RW51 Soft Starter
Equipment Manual, 09/2020, A5E37108631002A/RS-AC/003
Fuse
Switch: Start / stop
Push button: Reset > 4 s
Motor starter protector
3RW51 soft starter
Contactor
Example circuits
A.3 Special applications
191

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