SIRIUS 3RV2 motor starter protectors 
  4.10 Technical data 
SIRIUS Innovations 
System Manual, 01/2011, A8E56203870002-03 
459 
4.10.9  Conductor cross-sections main circuit 
 
Type  3RV2.11  3RV2.21  3RV27 11, 
3RV28 11 
Size  S00  S0  S00 
Width  45 mm  45 mm  45 mm 
Connection type  Screw connection 
  Connection screw 
M3, Pozidriv size 2  M4, Pozidriv size 2  M4 Pozidriv size 2 
  Operating tool 
mm  ∅ 5 to 6  ∅ 5 to 6  ∅ 5 to 6 
  Specified tightening torque 
Nm  0.8 to 1.2  2 to 2.5  2.5 to 3 
  Conductor cross-sections (min./max.), 1-wire or 2-wire connection possible 
- Solid  mm
2
  2 x (0.75 to 2.5)
1)
, 
2 x 4 
2 x (1 to 2.5)
1)
, 
2 x (2.5 to 10)
1)
 
1 ... 10, 
max. 2 x 10 
- Stranded  mm
2
  2 x (0.75 to 2.5)
1)
, 
2 x 4 
2 x (1 to 2.5)
1)
, 
2 x (2.5 to 10)
1)
 
1.5 ... 25, 
max. 10 + 25 
- Finely stranded with 
end sleeve 
(DIN 46228 Part 1) 
mm
2
  2 x (0.5 to 1.5)
1)
, 
2 x (0.75 to 2.5)
1)
 
2 x (1 to 2.5)
1)
, 
2 x (2.5 to 6)
1) 
1 x 10 
1 ... 16, 
max. 6 + 16 
 
- AWG cables, solid or 
stranded 
AWG  2 x (18 to 14)
1)
, 2 x 12  2 x (16 to 12)
1)
, 
2 x (14 to 8)
1)
 
2 x (14 to 10) 
Connection type  Spring-loaded terminals 
  Operating tool 
mm  ∅ 3.0 x 0.5; ∅ 3.5 x 0.5 
  Conductor cross-sections (min./max.), 1-wire or 2-wire connection possible 
- Solid  mm
2
  2 x (0.5 to 4)  2 x (1 to 10)  -- 
- Finely stranded with 
end sleeve 
mm
2
  2 x (0.5 to 2.5)  2 x (1 to 6)  -- 
- Finely stranded without 
end sleeve 
mm
2
  2 x (0.5 to 2.5)  2 x (1 to 6)  -- 
 
- AWG cables, solid or 
stranded 
AWG  2 x (20 to 12)  2 x (18 to 8)  -- 
Max. outer diameter of the 
conductor insulation 
mm  3.6   3.6  -- 
Connection type  Ring cable lug connection 
  Connection screw 
M3, Pozidriv size 2  M4, Pozidriv size 2  -- 
  Operating tool 
mm  ∅ 5 to 6  ∅ 5 to 6  -- 
  Specified tightening torque 
Nm  0.8 to 1.2   2 to 2.5  --