Siemens 3RW44 - Page 217

Typical circuit diagrams
10.1 Connection examples for main and control circuits
3RW44 soft starters
Manual, 03/2017, NEB535219502000/RS-AB/008
217
Alternative feeder configuration in the standard circuit
Main circuit
Option 1b: standard circuit with full-range fuse
(conductor protection and semiconductor
protection).
Option 1c:
standard circuit with line fuse and SITOR fuse (purely semiconductor
protection).
1)
For permissible main and control voltage values, refer to chapter Technical data of the
power unit (Page 259).