Permissible tensile force for each connected
conductor
50 N following IEC 60947-1 (VDE 660, part 100)
Connections of Voltage Terminals with Screw Connection
For the connection of the following modules, Phoenix terminals are used (see Figure 5-23):
•
Power-supply module PS203
•
Plug-in module assembly with integrated power supply CB202
•
Input module IO230, IO231
•
Input and output module IO110
•
Measuring-transducer modules ANAI
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) 22-12 (0.5 mm
2
to
2.5 mm
2
(0.0008 in
2
to 0.0039 in
2
)) solid
or cable with UL listed ferrules
At least certified for a temperature of +105 °C
Ferrule with plastic shroud L = 10 mm (0.39 in)
(Stripped length) for use without ferrule 10 mm (0.39 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
0.6 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 5-25 and Figure 5-26).
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.
5.7.3.2
5.7.4
Working on the Device
5.7 Installing Current and Voltage Terminals
188 SIPROTEC 5, Hardware Description, Manual
C53000-G5040-C002-C, Edition 10.2017