[ringkabelschuh-20070710, 1, en_US]
Figure 3-5
Ring lug
For complying with the required insulation clearances, insulated ring lugs have to be used. Otherwise, the
crimp zone has to be insulated with corresponding means (e.g. by pulling a shrink-on sleeve over).
We recommend ring lugs of the PIDG range from Tyco Electronics.
Two ring lugs can be mounted per connection.
[stromwandler-anklemmen-20080530, 1, en_US]
Figure 3-6
Current transformer connection
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
arrangement. When using jumpers, only ring lugs are allowed.
When connecting single wires, the following cross-sections are allowed:
Cable cross-section:
AWG 14-10 (2.0 mm
2
to 5.2 mm
2
)
Connector sleeve with plastic collar
L = 10 mm (0.39 in) or L = 12 mm (0.47 in)
Stripping length:
(when used without conductor sleeve)
15 mm (0.59 in)
Use exclusively solid copper conductors.
Mechanical Requirements
The fixing elements and the connected components are designed for the following mechanical requirements:
Permissible tightening torque at the terminal screw
2.7 Nm (23.9 lb.in)
With solid conducters the allowed
maximum tighting torque is 2 Nm
Permissible traction per connected conductor
80 N based on IEC 60947-1
(VDE 660, Part 100)
Mounting and Commissioning
3.1 Mounting and Connections
SIPROTEC 4, 7SD80, Manual
213
E50417-G1100-C474-A2, Edition 02.2018
Summary of Contents for SIPROTEC 4 7SD80
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