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

4.6.3

PE busbar

4.6.3.1

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
● Central Braking Modules
● 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
Close the cabinet doors
When connecting the ground connections to the PE busbar, make sure that the cabinet
doors will still close.
4.6.3.2

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
Chapter "Mechanical installation", Section "Connection for side-by-side installation of cabinet
units"), must have been completed!
Cabinet Modules
Manual, 03/2013, A5E03263538A
Electrical installation
4.6 Connections
75