Starting A Dahlander Motor - Siemens SIRIUS 3RW55 Equipment Manual

Wiring for 3RW55 soft starter with direct-on-line starting (DOL) as emergency start
The example shows the 3RW55 soft starter with a Standard circuit.
F1
S1
S2
S3
S4
Q11
Q21
M1
PE
A.3.11

Starting a Dahlander motor

Requirements
• ON / RUN relay output was parameterized to ON.
• No soft stop possible. Set the ramp-down time 0 s at the setting element
SIRIUS 3RW55 and 3RW55 Failsafe Soft Starters
Equipment Manual, 02/2022, A5E35630887002A/RS-AF/006
Fuse
Selector switch Soft starting / direct-on-line starting
Switch: Start / stop (3RW55 soft starter)
Pushbutton: Reset
Switch: Direct on-line starting (DOL)
3RW55 soft starter
Line contactor
Motor
Protective conductor
Example circuits
A.3 Special applications
331