Semiconductor soft starter 3RW3 8.7.2 Power electronics Load carrying capacity Rated operating current I e at 40/50/60 °C, AC-53b A 32/27/23 38/32/27 45/38/32 63/54/46 75/64/54 100/85/72 Dissipated power at operating current (40 °C) approx. W 10 13 17 22 29 48 Type 3RW30 34 3RW30 35 3RW30 36 3RW30 44 3RW30 45 3RW30 46 Permissible stars per hour Intermittent operation S4, T amb = 40 °C 1/h 20 15 4 20 10 3 Pause time after continuous oper- ation s 0 0 900 0 0 900 Duty cycle = 30 % % 300 x I e , 3 s 300 x I e , 3 s 300 x I e , 3 s 300 x I e , 4 s 300 x I e , 4 s 300 x I e , 4 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 and 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) – Tightening torque Nm 3 to 4.5 (27 to 40 lb.in) 4 to 6 (35 to 53 lb.in) Main conductors:
Single-wire mm 2 2 x (0.75 to 16) 2 x (0.75 to 16) Fine-wire with wire end fer- rule mm 2 2 x (0.75 to 16) 1 x (0.75 to 25) 2 x (0.75 to 16) 1 x (0.75 to 25) Multiple-wire mm 2 2 x (0.75 to 25) 1 x (0.75 to 35) 2 x (10 to 50) 1 x (10 to 70) AWG wires, single or multiple-wired AWG 2 x (18 to 3) 1 x (18 to 2) 2 x (10 to 1/0) 1 x (10 to 2/0) – Connection screws M 3 Rev. 08/99 8-41