Semiconductor soft starter 3RW3 8.7 Technical data 8.7.1 Control electronics Type 3RW3. ..-1.B0. 3RW3. ..-1.B1. Rated control supply voltage V UC 24 UC 110 to 230 Rated control supply current mA approx. 50 approx. 25 to 20 Rated frequency for AC Hz 50/60 ± 10 % 50/60 ± 10 % Power electronics Type 3RW3. ..-1.B.4 3RW3. ..-1.B.5 Voltage operating range V 200 to 460 (± 10 %) 460 to 575 (± 10 %) Rated frequency Hz 50/60 ± 10 % Permissible installation altitude up to 3000 m MSL; above 2000 m MSL, linear reduction of I e , with the result that 3000 m MSL 0,87 x I e Type 3RW30 1. 3RW3. 2. 3RW30 3. 3RW30 4.
Size S00 S0 S2 S3 Continuous operation (% of I e ) % 100 100 100 100 Starting current (% of I e )/ maximum starting time % I e/s 250/2 300/2 300/3 300/4 Minimum load 1 ) (% of I e ); at 40 °C % 4 4 4 4 Permissible ambient temperature °C –25 to +60 (derating from 40 °C; see below) Load carrying capacity Rated operating current I e at 40/50/60 °C, AC-53b A 6/5/4 9/8/7 12.5/11/9 16/14/12 25/21/18 Dissipated power at rated operating current (40 °C) approx.
W 5 8 7 9 13 Type 3RW30 14 3RW30 16 3RW30 24 3RW30 25 3RW30 26 Permissible starts per hour Intermittent operation S4, T amb = 40 °C 1/h 30 20 30 30 12 Pause time after continuous oper- ation s 0 0 0 0 900 Duty cycle = 30 % % 250 x I e , 2 s 250 x I e , 2 s 300 x I e , 2 s 300 x I e , 2 s 300 x I e , 2 s with I e before starting again Screw connection Auxiliary conductors: (1 or 2 conductors can be connected) Single-wire mm 2 2 x (0.5 to 1.5); 2 x (0.75 to 2.5) acc. to IEC 60 947; max.
2 x (0.75 to 4) for standard screwdriver size 2 aund Pozidriv 2 Fine-wire with wire end fer- rule mm 2 2 x (0.5 to 1.5); 2 x (0.75 to 2.5) Connection cross-sections AWG wires, single or multiple-wired AWG 2 x (18 to 14) – Connection screws M 3 – Tightening torque Nm 0.8 to 1.2 (7 to 10.3 lb.in) 2 to 2.5 (18 to 22 lb.in) Main conductors: Single-wire mm 2 2 x (0.5 to 1.5) 2 x (0.75 to 2.5) 2 x (1 to 2.5) 2 x (2.5 to 6) Fire-wire with wire end fer- rule mm 2 2 x (0.5 to 2.5) 2 x (1 to 2.5) 2 x (2.5 to 6) Multiple-wire mm 2 AWG wires, single or multiple-wired AWG 2 x (18 to 14) 2 x (14 to 10) 8-40 Stand 08/99