Mechanical Requirements
The fasteners and their associated components are designed for the following mechanical requirements:
Permissible tightening torque at clamping screw 0.6 Nm
Connections of Voltage Terminal with Screw Connection for IO111
For the connection of the module IO111, Phoenix terminals are used (see Figure 5-24).
Connection Elements and Conductor Cross-Sections
The following cable cross-sections can be used for the connection of single cables:
Cable cross-section
AWG (American Wire Gauge) 30-16 (0.14 mm
2
to
1.5 mm
2
(0.0002 in
2
to 0,0023 in
2
) solid
or bare stranded wire with or without UL listed boot-
lace ferrules
At least approved for a temperature of +105 °C
(221 °F)
Bootlace ferrule with plastic shroud L = 9 mm (0,35 in)
Stripped length (for use without bootlace ferrule) 9 mm (0.35 in), only copper lines may be used.
Mechanical Requirements
The fasteners and their associated components are designed for the following mechanical requirements:
Permissible tightening torque at clamping screw
0.22 Nm to 0.26 Nm
Installation and Removal
²
Switch off the device before starting work.
Assembly tool
²
Use a screwdriver (DIN 4 x 0.8).
Removal
²
Use a screwdriver to carefully bend the left and right spring clips outwards.
²
Carefully pull out the terminal block.
²
Seal the contacts with a cover cap (see Figure 5-26 and Figure 5-27).
Installation
²
Pull the cover cap off the terminal.
²
Carefully insert the terminal block into the spring clips.
²
Both spring clips must engage clearly audibly.
5.7.3.3
5.7.4
Working on the Device
5.7 Installing Current and Voltage Terminals
SIPROTEC 5, Hardware Description, Manual 219
C53000-G5040-C002-M, Edition 12.2021
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