For Operation in the Control Cabinet © Siemens AG 2009 3RW Soft Starters 3RW30 for standard applications 6 1) Measurement at 60 °C according to UL/CSA not required. 2) With 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. 1) Measurement at 60 °C according to UL/CSA not required. 2) With 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. 6/7 Siemens LV 1 T · 2009 Type 3RW30 1.-.BB.4 ...
3RW30 4.-.BB.4 Power electronics Rated operational voltage V AC Tolerance % 200 ... 480 -15/+10 Rated frequency Hz Tolerance % 50/60 ±10 Uninterrupted duty at 40 °C (% of Ie) % 115 Minimum load (% of Ie) % 10 (at least 2 A) Maximum cable length between soft starter and motor m 300 Permissible installation height m 5000 (derating from 1000, see characteristic curves); higher on request Permissible mounting position (auxiliary fan not available) 10° 10° 10° 10° NSB0_01897 Permissible ambient temperature Operation °C Storage °C -25 ... +60; (derating from +40) -40 ... +80 Degree of protection IP20 for 3RW30 1. and 3RW30 2.; IP00 for 3RW30 3. and 3RW30 4.
Type 3RW30 13 3RW30 14 3RW30 16 3RW30 17 3RW30 18 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 3.6 6.5 9 12.5 17.6 3.3 6 8 12 17 3 5.5 7 11 14 Power loss • In operation after completed starting with uninterrupted rated opera- W tional current (40 °C) approx.
• During starting with 300 % I M (40 °C) W 0.25 0.5 1 2 4 6 13 20 20 29 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), starting time 4 s A - Starts per hour3) 1/h 3.6 6.5 9 12.5 17.6 200 87 50 85 62 3.6 6.5 9 12.5 17.6 150 64 35 62 45 Type 3RW30 26 3RW30 27 3RW30 28 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 25.3 32.2 38 23 29 34 21 26 31 Power loss • In operation after completed starting with uninterrupted rated opera- W tional current (40 °C) approx. • During starting with 300 % I M (40 °C) W 8 13 19 47 55 64 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), starting time 4 s A - Starts per hour3) 1/h 25 32 38 23 23 19 25 32 38 15 16 12