For Operation in the Control Cabinet 3RW Soft Starters © Siemens AG 2009 3RW30 for standard applications 1) Measurement at 60 °C according to UL/CSA not required. 2) With 300 % I M . 3) For intermittent duty S4 with ON period = 70 %, T u = 40 °C, stand-alone installation vertical. The quoted switching frequencies do not apply for automatic mode. 6 6/8 Siemens LV 1 T · 2009 3RW30 36 3RW30 37 3RW30 38 3RW30 46 3RW30 47 Power electronics 45 65 72 80 106 42 58 62.1 73 98 39 53 60 66 90 6 12 15 12 21 79 111 125 144 192 45 63 72 80 106 38 23 22 22 15 45 63 72 80 106 26 15 15 15 10