Siemens SIRIUS 3RW44 - Page 210

Circuit Examples
SIRIUS 3RW44 System Manual
9-16 GWA 4NEB 535 2195-02 DS 04
9.1.14Soft Starter for Serial Starting with 3 Parameter Sets
1) For permissible main and control voltage values, refer to Technical Data, Pages 10-8 to 10-12.
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Notice The "Coasting down" stopping mode must be set on the 3RW44. Note In the case of high switching frequency, the 3RW44 should be dimensioned at least one capacity level higher.