For Operation in the Control Cabinet 3RW Soft Starters © Siemens AG 2009 General data Overview The advantages of the SIRIUS soft starters at a glance: Soft starting and smooth ramp-down 1) Stepless starting Reduction of current peaks Avoidance of mains voltage fluctuations during starting Reduced load on the power supply network Reduction of the mechanical load in the operating mechanism Considerable space savings and reduced wiring compared with conventional starters Maintenance-free switching Very easy handling Fits perfectly in the SIRIUS modular system 6 5) Not possible in inside-delta circuit. 6) Trace function with Soft Starter ES software.
Function is available; -- Function is not available. 1) Only soft starting available for 3RW30. 2) Optional up to size S3 (device variant). 3) Available for 3RW40 2. to 3RW40 4.; optional for 3RW40 5. and 3RW40 7.. 4) Calculate soft starter and motor with size allowance where required. More information can be found on the Internet at http://www.siemens.com/softstarter 6/4 Siemens LV 1 T · 2009 SIRIUS 3RW30 SIRIUS 3RW40 SIRIUS 3RW44 Standard applications Standard applications High-Feature applications Rated current up to 40 °C A 3 ... 106 12.5 ... 432 29 ... 1214 Rated operational voltage V 200 ... 480 200 ... 600 200 ... 690 Motor rating at 400 V • Inline circuit kW 1.5 ... 55 5.5 ...
250 15 ... 710 • Inside-delta circuit kW -- -- 22 ... 1200 Ambient temperature °C -25 ... +60 -25 ... +60 0 ... +60 Soft starting/ramp-down ✔1) ✔ ✔ Voltage ramp ✔ ✔ ✔ Starting/stopping voltage % 40 ... 100 40 ... 100 20 ... 100 Starting and ramp-down time s 0 ... 20 0 ... 20 1 ... 360 Torque control -- -- ✔ Starting/stopping torque % -- -- 20 ... 100 Torque limit % -- -- 20 ... 200 Ramp time s -- -- 1 ...
360 Integral bypass contact system ✔ ✔ ✔ Intrinsic device protection -- ✔ ✔ Motor overload protection -- ✔ ✔ Thermistor motor protection -- ✔2) ✔ Integrated remote RESET -- ✔3) ✔ Adjustable current limiting -- ✔ ✔ Inside-delta circuit -- -- ✔ Breakaway pulse -- -- ✔ Creep speed in both directions of rotation -- -- ✔ Pump ramp-down -- -- ✔4) DC braking -- -- ✔4) 5) Combined braking -- -- ✔4) 5) Motor heating -- -- ✔ Communication -- -- With PROFIBUS DP (optional) External display and operator module -- -- (optional) Operating measured value display -- -- ✔ Error logbook -- -- ✔ Event list -- -- ✔ Slave pointer function -- -- ✔ Trace function -- -- ✔6) Programmable control inputs and outputs -- -- ✔ Number of parameter sets 1 1 3 Parameterization software (Soft Starter ES) -- -- ✔ Power semiconductors (thyristors) 2 controlled phases 2 controlled phases 3 controlled phases Screw terminals ✔ ✔ ✔ Spring-type terminals ✔ ✔ ✔ UL/CSA ✔ ✔ ✔ CE marking ✔ ✔ ✔ Soft starting under heavy starting conditions -- -- ✔4) Configuring support Win-Soft Starter, electronic selection slider ruler, Technical Assistance ++49 (0) 911 895 5900