Pe Busbar; General Information; Connection For Side-By-Side Installation Of Cabinet Units - Siemens SINAMICS S120 Device Manual

4.5.3

PE busbar

4.5.3.1

General information

Availability
PE busbars are included in the following S120 Cabinet Modules:
● Line Connection Modules
● Basic Line Modules
● Smart Line Modules
● Active Line Modules
● Booksize base cabinets
● Motor Modules in chassis format
● Auxiliary Power Supply Modules
Description
Each Cabinet Module contains a PE busbar for grounding the components installed in the
cabinet. For all cabinet units, the busbar is a 60 x 10 mm nickel-plated bar. It is located at the
bottom of the cabinet and is secured on the left and right to the ground straps in the cabinet.
Note
Closing the cabinet doors
When ground connections are connected to the PE busbar, it must be ensured that the
cabinet doors can still be closed.
4.5.3.2

Connection for side-by-side installation of cabinet units

A connection jumper for the PE busbar is supplied with every cabinet.
Note
Connect only after the installation and the mechanical connection of the transport units
Installing the transport units as well as connecting the transport units with one another (see
Section "Mechanical installation", Section "Connection for side-by-side installation of cabinet
units"), must have been completed.
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A
Electrical installation
4.5 Connections
73