Siemens SIPROTEC 7SD80 Manual page 242

The digital overcurrent protection
Hide thumbs Also See for SIPROTEC 7SD80:
Table of Contents

Advertisement

Mounting and Commissioning
3.1 Mounting and Connections
As single wires, solid conductors as well as stranded conductors with conductor sleeves can be used. Up to
two single wires with identical cross-sections can be used per connection.
Alternatively jumpers (Order No. C53207-A406-D193-1) can be used with terminal points in a stacked arrange-
ment. When using jumpers, only ring lugs are allowed.
When connecting single wires, the following cross-sections are allowed:
Cable cross-section:
Connector sleeve with plastic collar
Stripping length:
(when used without conductor sleeve)
Mechanical Requirements
The fixing elements and the connected components are designed for the following mechanical requirements:
Permissible tightening torque at the terminal screw
Permissible traction per connected conductor
242
2
AWG 14-10 (2.0 mm
to 5.2 mm
L = 10 mm (0.39 in) or L = 12 mm (0.47 in)
15 mm (0.59 in)
Use exclusively solid copper conductors.
2.7 Nm (23.9 lb.in)
With solid conductors the allowed
maximum tightening torque is 2 Nm
80 N based on IEC 60947-1 (VDE 660, Part
100)
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
2
)

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents