SIRIUS 3RT2 contactors/contactor assemblies   
2.8 Technical data 
  SIRIUS Innovations 
242  System Manual, 01/2011, A8E56203870002-03 
2.8.1.6  Conductor cross-sections - 3RT201. contactors 
Table 2- 83  Conductor cross-sections -  3RT201. contactors 
Type  3RT2015  3RT2016  3RT2017  3RT2018 
Size  S00 
Conductor cross-sections 
Main and auxiliary conductors  Screw connection 
  Solid + stranded 
mm
2
  2 x (0.5 to 1.5)
1)
; 2 x (0.75 to 2.5)
1)
 acc. to IEC 60947; 
max. 2 x 4 
  Finely stranded with end 
sleeve 
mm
2
  2 x (0.5 to 1.5)
1)
; 2 x (0.75 to 2.5)
1)
 
  Solid or stranded, AWG cables 
AWG  2 x (20 to 16)
1)
; 2 x (18 to 14)
1)
; 2 x 12 
  Connection screw 
 M3 
(1 or 2 
conductors 
can be 
connected) 
for 
standard 
screwdriver
s size 2 
and 
Pozidriv 2 
-  Tightening torque  Nm  0.8 to 1.2 (7 to 10.3 lb.in) 
Spring-loaded connection Main and auxiliary conductors 
Auxiliary conductor  Main conductor 
  Solid + stranded 
mm
2
  2 x (0.5 to 4)  2 x (0.5 to 4) 
  Finely stranded with end 
sleeve 
mm
2
  2 x (0.5 to 2.5)  2 x (0.5 to 2.5) 
  Finely stranded without end 
sleeve 
mm
2
  2 x (0.5 to 2.5)  2 x (0.5 to 2.5) 
(1-wire or 
2-wire 
connection 
possible) 
  AWG cables, solid or stranded 
AWG  2 x (20 to 12)  2 x (20 to 12) 
Main and auxiliary conductors  Ring cable lug connection 
Connection screw  M3 (Pozidriv size PZ 2) 
  Operating tool 
mm  ∅ 5 … 6 
  Tightening torque 
Nm  0.8 to 1.2 
mm  d
2
 = min. 3.2 
  Usable ring cable lugs 
mm  d
3
 = max. 7.5 
- DIN 46237 with insulating sleeve   
- JIS C2805 type RAV with 
insulating sleeve 
 
- JIS C2805 type RAP with 
insulating sleeve 
 
 
- DIN 46234 without insulating 
sleeve 
 
- DIN 46225 without insulating 
sleeve 
 
 
- JIS C2805 type R without 
insulating sleeve 
 
PP
≥
1)
 
A shrink-on sleeve must be used to provide additional 
insulation for the ring cable lugs 
1)
. 
  Application temperature: -55 °C/+155 °C 
  UL 224 approved 
  Flame-protected 
1)
  If two different conductor cross-sections are being connected to one clamping point, both cross-sections must be 
located in the range indicated. If identical cross-sections are used, this restriction does not apply.