For Operation in the Control Cabinet © Siemens AG 2009 3RW Soft Starters 3RW40 for standard applications 6 6/23 Siemens LV 1 T · 2009 Soft starters Type 3RW40 2. 3RW40 3. 3RW40 4.
Conductor cross-sections Screw terminals Main conductors Front clamping point • Solid mm2 connected • With end sleeve mm2 • Stranded mm2 • AWG cables - Solid AWG - Solid or stranded AWG - Stranded AWG Rear clamping point • Solid mm2 connected • With end sleeve mm2 • Stranded mm2 • AWG cables - Solid or stranded AWG Both clamping points • Solid mm2 connected • With end sleeve mm2 • Stranded mm2 • AWG cables - Solid or stranded AWG • Tightening torque NM lb.in Tools Degree of protection 2 x (1.5 ... 2.5); 2 x (2.5 ... 6) acc. to IEC 60947; max. 1 x 10 2 x (1.5 ... 16) 2 x (2.5 ... 16) 2 x (1.5 ... 2.5); 2 x (2.5 ... 6) 1 x (0.75 ... 25) 1 x (2.5 ...
35) -- 1 x (0.75 ... 35) 1 x (4 ... 70) 2 x (16 ... 12) 2 x (14 ... 10) 1 x (18 ... 2) 2 x (10 ... 1/0) 1 x 8 -- -- -- 2 x (1.5 ... 16) 2 x (2.5 ... 16) -- -- 1 x (1.5 ... 25) 1 x (1.5 ... 35) 1 x (2.5 ... 50) 1 x (10 ... 70) -- 1 x (16 ... 2) 2 x (10 ... 1/0) -- 2 x (1.5 ... 16) 2 x (2.5 ... 16) -- -- 2 x (1.5 ... 16) 2 x (1.5 ... 25) 2 x (2.5 ... 35) 2 x (10 ... 50) -- 2 x (16 ... 2) 1 x (10 ... 2/0) 2 ... 2.5 4.5 6.5 18 ...
22 40 58 PZ 2 PZ 2 Allen screw 4 mm IP20 IP20 (IP00 terminal compartment) IP20 (IP00 terminal compartment) Spring-type terminals Main conductors • Solid mm2 • Finely stranded with end sleeve mm2 • AWG cables - Solid or stranded (finely stranded) AWG - Stranded AWG Tools Degree of protection 1 ... 10 -- 1 ... 6 end sleeves with- out plastic collar -- 16 ... 10 -- 1 x 8 -- DIN ISO 2380-1A0; 5 x 3 -- IP20 -- Busbar connections Main conductors • With cable lug acc. to DIN 46234 or max. 20 mm wide - Stranded mm2 - Finely stranded mm2 • AWG cables, solid or stranded AWG -- 2 x (10 ... 70) -- 2 x (10 ... 50) -- 2 x (7 ... 1/0)