16 SIPROTEC 4/5, Injection Unit 7XT71, Product Information
C53000-B1174-C128-7, Edition 09.2016
Connection Data for Cable Lugs and Conductors
NOTE
If you use ring-type or fork-type cable lugs with a non-insulated crimp zone or cable
end sleeves with a non-insulated crimp zone, the crimp zone must be insulated with
a heat-shrink insulation in order to observe the insulation distances.
Use only copper cables!
Table 7-2 Connection Data for Cable Lugs and Conductors
Connection with cable lugs
Inside diameter 4 mm Siemens recommends cable-end sleeves
from Tyco Electronics AMP:
Ring-type cable lugs: PIDG PN 320565-0
Fork-type cable lugs: PIDG PN 321233-0
Outside diameter max. 10 mm
Conductor cross-
sections
1.0 mm
2
to 2.6 mm
2
;
AWG 16 to AWG 14
Tightening torque 1.8 Nm
Operating tempera-
ture range
- 5 °C to 55 °C/
23 °F to 131 °F
Connection with solid conductors or stranded wire conductors with cable end sleeve
Conductor cross-
sections
0.5 mm
2
to 2.6 mm
2
;
AWG 20 to AWG 14
Note:
Plug the end of each conductor into the
terminal chamber in a way that ensures
that it is drawn into the terminal chamber
when tightening the screw terminal.
Cable end sleeves are required when us-
ing stranded wire cables.
Stripping length 9 mm to 10 mm
Tightening torque 1.8 Nm
Operating tempera-
ture range
- 5 °C to 55 °C/
23 °F to 131 °F
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