Conductor Cross Sections - Auxiliary Circuit - Siemens SIRIUS 3RT Series System Manual

6.10.3

Conductor cross sections - auxiliary circuit

Table 6- 33 3RA2 fuseless load feeders - Conductor cross-sections (auxiliary circuit)
Type
Size
Number of poles
Conductor cross-sections - auxiliary circuit (size S00 and S0 contactors)
Standards
Connection type
Connection screw
(1-wire or 2- - Tightening torque
wire connection
possible)
Solid and stranded

Finely stranded with end sleeve

(DIN 46228 Part 1)
Solid or stranded, AWG cables

Connection type
Solid and stranded
(1-wire or 2- 
wire connection
Finely stranded without end

possible)
sleeve
Finely stranded with end sleeve

(DIN 46228 Part 1)
Solid or stranded, AWG cables

SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
3RA2.1
S00
3
IEC 60947-1, DIN EN 60947-1 (VDE 0660 Part 100)

IEC 60947-2, DIN EN 60947-2 (VDE 0660 Part 101)

IEC 60947-4-1, DIN EN 60947-4-1

(VDE 0660 Part 102)
Screw connection
M3 (Pozidriv size PZ 2)
Nm 0.8 to 1.2 (7 to 10.3 lb.in)
(lb.in)
mm 2 x (0.5 to 1.5),
2
2 x (0.75 to 2.5)
mm 2 x (0.5 to 1.5),
2
2 x (0.75 to 2.5)
AWG 2 x (20 to 16),
2 x (18 to 14)
Spring-loaded connection
mm 2 x (0.5 to 4)
2
mm 2 x (0.5 to 2.5)
2
mm 2 x (0.5 to 2.5)
2
AWG 2 x (20 to 12)
SIRIUS 3RA21/22 load feeders
6.10 Technical data
3RA2.2
S0
3
2 x (0.5 to 1.5),
2 x (0.75 to 2.5)
2 x (0.5 to 1.5),
2 x (0.75 to 2.5)
2 x (20 to 16),
2 x (18 to 14)
2 x (0.5 to 2.5)
2 x (0.5 to 1.5)
2 x (0.5 to 1.5)
2 x (20 to 14)
621