For Operation in the Control Cabinet 3RW Soft Starters © Siemens AG 2009 3RW40 for standard applications 6 1) When connecting cable lugs to DIN 46235, use 3RT19 56-4EA1 terminal cover for 2) When connecting cable lugs to DIN 46234, the 3RT19 66-4EA1 terminal cover conductor cross-sections from 95 mmІ to ensure phase spacing. must be used for cond. cross-sections of 240 mmІ and more as well as DIN 46235 for cond. cross-sections of 185 mmІ and more to keep the phase clearance. 6/24 Siemens LV 1 T · 2009 Soft starters Type 3RW40 5. 3RW40 7.
Conductor cross-sections Screw terminals Main conductors With box terminal Front clamping point • Finely stranded with end sleeve mm2 connected • Finely stranded without end sleeve mm2 • Stranded mm2 • Ribbon cable conductors mm (number x width x thickness) • AWG cables, solid or stranded AWG Rear clamping point • Finely stranded with end sleeve mm2 connected • Finely stranded without end sleeve mm2 • Stranded mm2 • Ribbon cable conductors mm (number x width x thickness) • AWG cables, solid or stranded AWG Both clamping points • Finely stranded with end sleeve mm2 connected • Finely stranded without end sleeve mm2 • Stranded mm2 • Ribbon cable conductors mm (number x width x thickness) • AWG cables, solid or stranded AWG • Terminal screws - Tightening torque NM lb.in 3RT19 55-4G (55 kW) 3RT19 66-4G 16 ...
70 70 ... 240 16 ... 70 16 ... 70 70 ... 240 95 ... 300 Min. 3 x 9 x 0.8 Max. 6 x 15.5 x 0.8 Min. 6 x 9 x 0.8 Max. 20 x 24 x 0.5 6 ... 2/0 3/0 ... 600 kcmil 16 ... 70 120 ... 185 16 ... 70 16 ... 70 120 ... 185 120 ... 240 Min. 3 x 9 x 0.8 Max. 6 x 15.5 x 0.8 Min. 6 x 9 x 0.8 Max. 20 x 24 x 0.5 6 ... 2/0 250 ... 500 kcmil Max. 1 x 50, 1 x 70 Min. 2 x 50; max. 2 x 185 Max. 1 x 50, 1 x 70 Max. 2 x 70 Min. 2 x 50; max. 2 x 185 Max. 2 x 70; max. 2 x 240 Max. 2 x (6 x 15.5 x 0.8) Max. 2 x (20 x 24 x 0.5) Max. 2 x 1/0 Min. 2 x 2/0 Max. 2 x 500 kcmil M10 (hexagon socket, A/F4) M12 (hexagon socket, A/F5) 10 ... 12 20 ... 22 90 ... 110 180 ...
195 Screw terminals Main conductors With box terminal Front or rear clamping point • Finely stranded with end sleeve mm2 connected • Finely stranded without end sleeve mm2 • Stranded mm2 • Ribbon cable conductors mm (number x width x thickness) • AWG cables, solid or stranded AWG Both clamping points • Finely stranded with end sleeve mm2 connected • Finely stranded without end sleeve mm2 • Stranded mm2 • Ribbon cable conductors mm (number x width x thickness) • AWG cables, solid or stranded AWG 3RT19 56-4G 16 ... 120 16 ... 120 16 ... 120 Min. 3 x 9 x 0.8 Max. 6 x 15.5 x 0.8 6 ... 250 kcmil Max. 1 x 95, 1 x 120 Max. 1 x 95, 1 x 120 Max. 2 x 120 Max.
2 x (10 x 15.5 x 0.8) Max. 2 x 3/0 Screw terminals Main conductors Without box terminal/busbar connection • Finely stranded with cable lug mm2 • Stranded with cable lug mm2 • AWG cables, solid or stranded AWG • Connecting bar (max. width) mm • Terminal screws - Tightening torque NM lb.in 16 ... 951) 50 ... 2402) 25 ... 1201) 70 ... 2402) 4 ... 250 kcmil 2/0 ... 500 kcmil 17 25 M8 x 25 (A/F13) M10 x 30 (A/F17) 10 ... 14 14 ... 24 89 ... 124 124 ... 210 Soft starters Type 3RW40 . . Conductor cross-sections Auxiliary conductors (1 or 2 conductors can be connected): Screw terminals • Solid mm2 2 x (0.5 ... 2.5) • Finely stranded with end sleeve mm2 2 x (0.5 ...
1.5) • AWG cables - Solid or stranded AWG 2 x (20 ... 14) - Finely stranded with end sleeve AWG 2 x (20 ... 16) • Terminal screws - Tightening torque NM 0.8 ... 1.2 lb.in 7 ... 10.3 Spring-type terminals • Solid - 3RW40 2. ... 3RW40 4. mm2 2 x (0.25 ... 2.5) - 3RW40 5., 3RW40 7. mm2 2 x (0.25 ... 1.5) • Finely stranded with end sleeve mm2 2 x (0.25 ... 1.5) • AWG cables, solid or stranded AWG 2 x (24 ... 14) for 3RW40 2. ... 3RW40 4.; 2 x (24 ... 16) for 3RW40 5. and 3RW40 7.