N52, Dc Link Fuses - Siemens SINAMICS S120 Manual

Options

9.46 N52, DC link fuses

Note
A crane transport assembly is included if transport units are supplied (option Y11).
After installing Cabinet Modules at the final installation location, crane transport aids must be
removed, see also Chapter "Disassembling the crane transport assembly (Page 56)".
Safety instructions
Incorrect handling of the mounting rail
The improper handling of heavy carrying rails during disassembly can cause injuries or
material damage.
• Ensure careful handling of the carrying rails during disassembly.
• Prevent screws from falling into the unit during disassembly and so causing damage
9.46 N52, DC link fuses
Availability of option
This option is available for the following S120 Cabinet Modules:
● Basic Line Connection Modules
● Active Line Connection Modules
Description
Fuses are installed on the DC side to protect the Basic Line Module or the Active Line
Module.
Installation of DC fuses is recommended if the DC current load in the configured drive line-up
can be higher than the rated DC link current of the Basic Line Module or the Active Line
Module.
Furthermore, the DC fuses protect the Basic Line Module or the Active Line Module against
an overvoltage on the DC busbar of the drive line-up in the event of a malfunction.
450
WARNING
during operation.
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A