Speedfax 2017

For Operation in the Control Cabinet
3RW Soft Starters
3RW40 for standard applications
Soft starters Type 3RW40 5. 3RW40 7.
Conductor cross-sections
Screw terminals
Main conductors
With box terminal 3RT19 55-4G (55 kW) 3RT19 66-4G
Front clamping point • Finely stranded with end sleeve mm 2 16 ... 70 70 ... 240
connected
• Finely stranded without end sleeve mm 2 16 ... 70 70 ... 240
2
• Stranded
mm 16 ... 70 95 ... 300
• Ribbon cable conductors
(number x width x thickness)
mm 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
• AWG cables, solid or stranded AWG 6 ... 2/0 3/0 ... 600 kcmil
Rear clamping point
connected
• Finely stranded with end sleeve mm 2 16 ... 70 120 ... 185
• Finely stranded without end sleeve mm 2 16 ... 70 120 ... 185
2 • Stranded
mm 16 ... 70 120 ... 240
• Ribbon cable conductors
(number x width x thickness)
mm 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
• AWG cables, solid or stranded AWG 6 ... 2/0 250 ... 500 kcmil
Both clamping points • Finely stranded with end sleeve mm 2 Max. 1 x 50, 1 x 70 Min. 2 x 50; max. 2 x 185
connected
• Finely stranded without end sleeve mm 2 Max. 1 x 50, 1 x 70 Min. 2 x 50; max. 2 x 185
2 • Stranded
mm Max. 2 x 70 Max. 2 x 70; max. 2 x 240
• Ribbon cable conductors
mm Max. 2 x (6 x 15.5 x 0.8) Max. 2 x (20 x 24 x 0.5)
(number x width x thickness)
• AWG cables, solid or stranded AWG Max. 2 x 1/0 Min. 2 x 2/0 Max. 2 x 500 kcmil
• Terminal screws M10 (hexagon socket, A/F4) M12 (hexagon socket, A/F5)
- Tightening torque
NM 10 ... 12 20 ... 22
lb.in 90 ... 110 180 ... 195
Screw terminals
Main conductors
With box terminal 3RT19 56-4G
Front or rear clamping point • Finely stranded with end sleeve mm 2 16 ... 120
connected
• Finely stranded without end sleeve mm 2 16 ... 120
2
• Stranded
mm 16 ... 120
• Ribbon cable conductors
(number x width x thickness)
mm Min. 3 x 9 x 0.8
Max. 6 x 15.5 x 0.8
• AWG cables, solid or stranded AWG 6 ... 250 kcmil
Soft Starter
Control
Both clamping points
connected
• Finely stranded with end sleeve mm 2 Max. 1 x 95, 1 x 120
• Finely stranded without end sleeve 2 Max. 1 x 95, 1 x 120
• Stranded
mm2 Max. 2 x 120
• Ribbon cable conductors
mm Max. 2 x (10 x 15.5 x 0.8)
(number x width x thickness)
• AWG cables, solid or stranded AWG Max. 2 x 3/0
Screw terminals
Main conductors
Without box terminal/busbar connection
• Finely stranded with cable lug mm 2 16 ... 95 1) 50 ... 240 2)
• Stranded with cable lug mm 2 25 ... 120 1) 70 ... 240 2)
• AWG cables, solid or stranded AWG 4 ... 250 kcmil 2/0 ... 500 kcmil
• Connecting bar (max. width) mm 17 25
• Terminal screws M8 x 25 (A/F13) M10 x 30 (A/F17)
- Tightening torque
10 ... 14 14 ... 24
1) When connecting cable lugs to DIN 46235, use 3RT19 56-4EA1 terminal cover for
conductor cross-sections from 95 mm² to ensure phase spacing.
NM
lb.in 89 ... 124 124 ... 210
2) When connecting cable lugs to DIN 46234, the 3RT19 66-4EA1 terminal cover
must be used for cond. cross-sections of 240 mm² and more as well as DIN 46235
for cond. cross-sections of 185 mm² and more to keep the phase clearance.
17 CONTROL
PRODUCTS
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 mm 2 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. mm 2 2 x (0.25 ... 2.5)
- 3RW40 5., 3RW40 7. mm 2 2 x (0.25 ... 1.5)
• Finely stranded with end sleeve mm 2 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.
Siemens Industry, Inc. SPEEDFAX Product Catalog 17-253