For Operation in the Control Cabinet 3RW Soft Starters © Siemens AG 2009 3RW40 for standard applications 1) Measurement at 60 °C according to UL/CSA not required. 2) Current limit on soft starter set to 300 % I M . 3) For intermittent duty S4 with ON period = 30 %, T u = 40 °C, stand-alone installation vertical. The quoted switching frequencies do not apply for automatic mode. 4) Maximum adjustable rated motor current I M , dependent on CLASS setting. 6 1) Measurement at 60 °C according to UL/CSA not required. 2) Current limit on soft starter set to 350 % 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. 4) Maximum adjustable rated motor current I M , dependent on CLASS setting. 6/22 Siemens LV 1 T · 2009 Type 3RW40 36 3RW40 37 3RW40 38 3RW40 46 3RW40 47 Power electronics Load rating with rated operational current Ie • Acc. to IEC and UL/CSA1), for individual mounting, AC-53a - At 40 °C A - At 50 °C A - At 60 °C A 45 63 72 80 106 42 58 62.1 73 98 39 53 60 66 90 Smallest adjustable rated motor current I M For the motor overload protection A 23 26 35 43 46 Power loss • In operation after completed starting with uninterrupted rated W operational current (40 °C) approx.
• During starting with current limit set to W 300 % I M (40°C) 6 12 15 12 21 79 111 125 144 192 Permissible rated motor current and starts per hour • For normal starting (Class 10) - Rated motor current I M2), starting time 3 s A - Starts per hour3) 1/h - Rated motor current I M2)4), starting time 4 s A - Starts per hour3) 1/h • For heavy starting (Class 15) - Rated motor current I M2), starting time 4.5 s A - Starts per hour3) 1/h - Rated motor current I M2)4), starting time 6 s A - Starts per hour3) 1/h • For heavy starting (Class 20) - Rated motor current I M2), starting time 6 s A - Starts per hour3) 1/h - Rated motor current I M2)4), starting time 8 s A - Starts per hour3) 1/h 45 63 72 80 106 38 23 22 22 15 45 63 72 80 106 26 15 15 15 10 42 50 56 70 84 30 34 34 24 23 42 50 56 70 84 21 24 24 16 17 38 46 50 64 77 30 31 34 23 23 38 46 50 64 77 21 22 24 16 16 Type 3RW40 55 3RW40 56 3RW40 73 3RW40 74 3RW40 75 3RW40 76 Power electronics Load rating with rated operational current Ie • Acc.
to IEC and UL/CSA1), for individual mounting, AC-53a - At 40 °C A - At 50 °C A - At 60 °C A 134 162 230 280 356 432 117 145 205 248 315 385 100 125 180 215 280 335 Smallest adjustable rated motor current I M For the motor overload protection A 59 87 80 130 131 207 Power loss • In operation after completed starting with uninterrupted rated W operational current (40 °C) approx.
• During starting with current limit set to W 350 %2) I M (40°C) 60 75 75 90 125 165 1043 1355 2448 3257 3277 3600 Permissible rated motor current and starts per hour • For normal starting (Class 10) - Rated motor current I M2), starting time 10 s A - Starts per hour3) 1/h - R Sta at re tsd pm eo rt o hr uc ru 3r )rent I M2)4), starting time 20 s A - o 1/h • For heavy starting (Class 15) -- SR ta at re tsd pm eo rt o hr uc ru 3r )rent I M2), starting time 15 s A o 1/h - Rated motor current I M2)4), starting time 30 s A - Starts per hour3) 1/h • For heavy starting (Class 20) - Rated motor current I M2), starting time 20 s A - Starts per hour3) 1/h - Rated motor current I M2)4), starting time 40 s A - Starts per hour3) 1/h 134 162 230 280 356 432 20 8 14 20 16 17 134 162 230 280 356 432 7 1.4 3 8 5 5 134 152 210 250 341 402 11 8 11 13 11 12 134 152 210 250 341 402 1.2 1.7 1 6 2 2 124 142 200 230 311 372 12 9 10 10 10 10 124 142 200 230 311 372 2 2 1 5 1 1