For Operation in the Control Cabinet 3RW Soft Starters © Siemens AG 2009 3RW30 for standard applications 6 1) The rated motor current (specified on the motor's name plate) should at 2) If this value is exceeded, problems with line capacities may arise, which least amount to the specified percentage of the SIRIUS soft starter unit's rated operational current I e . can result in false firing. 6/10 Siemens LV 1 T · 2009 Type 3RW30 03 Control electronics Rated values Rated control supply voltage V • Tolerance % Rated control supply current mA Rated frequency at AC Hz • Tolerance % 24 ... 230 AC/DC ± 10 25 ... 4 50/60 ± 10 Starting time s 0.1 ... 20 (adjustable) Starting voltage % 40 ...
100 (adjustable) Ramp-down time s 0 ... 20 (adjustable) Power electronics Rated operational voltage V AC Tolerance % 200 ... 400 ± 10 Rated frequency Hz Tolerance % 50/60 ±10 Uninterrupted duty (% of I e) % 100 Minimum load1) (% of I e); at 40 °C % 9 Maximum conductor length between soft starter and motor m 1002) Degree of protection acc. to IEC 60529 IP20 (IP00 terminal compartment) Permissible installation height m 5000 (derating from 1000, see characteristic curves); higher on request Permissible mounting position 10° 10° 10° 10° NSB0_01897 Permissible ambient temperature Operation °C Storage °C -25 ... +60; (derating from +40) -40 ...
+80 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 • Acc. to IEC and UL/CSA1), for butt-mounting, AC-53a - At 40 °C A - At 50 °C A - At 60 °C A 3 2.6 2.2 2.6 2.2 1.8 Power loss • In operation after completed starting with uninterrupted rated opera- W tional current (40 °C) approx. • At utilization of max.
switching frequency W 6.5 3 Permissible starts per hour • For intermittent duty S4, Tu = 40 °C, stand-alone installation vertical 1/h • ON period = 70 % % Ie/s 1500 300/0.2 Conductor cross-sections Screw terminals • Main conductors (1 or 2 conductors connectable) - Solid mm² For standard screwdriver size 2 and Pozidriv 2 - Finely stranded with end sleeve mm² - Stranded mm² - AWG cables, AWG solid or stranded - Terminal screws - Tightening torque NM lb.in • Auxiliary conductors - Solid mm² - Finely stranded with end sleeve mm² - AWG cables, AWG solid or stranded - Terminal screws - Tightening torque NM lb.in Spring-type terminals Main and auxiliary conductors • Solid mm2 • Finely stranded with end sleeve mm2 • AWG cables, mm2 solid or stranded 1 x (0.5 ...
4); 2 x (0.5 ... 2.5) 1 x (0.5 ... 2.5); 2 x (0.5 ... 1.5) -- 2 x (20 ... 14) M3, PZ2 0.8 ... 1.2 7.1 ... 8.9 1 x (0.5 ... 4); 2 x (0.5 ... 2.5) 1 x (0.5 ... 2.5); 2 x (0.5 ... 1.5) 2 x (20 ... 14) M3, PZ2 0.8 ... 1.2 7 ... 8.9 2 x (0.25 ... 1.5) 2 x (0.25 ... 1) 2 x (24 ... 16)