Selection Of Devices Required For Operating Sinamics; General; Information About Line Disconnecting Devices; Overcurrent Protection Using Line Fuses Or Circuit-Breakers - Siemens SINAMICS S120 Equipment Manual

9.2

Selection of Devices Required for Operating SINAMICS

9.2
9.2.1

General

The following components are required to connected to the line supply:
• Line disconnecting device
• Line fuse
• Line contactor (this is required for electrical isolation)
• Line filter (optional for Power Module PM340, frame size A)
• Line reactor (refer to Chapter Line supply connection)
9.2.2

Information about line disconnecting devices

The line disconnecting device for the electrical equipment may be used for correct isolation
of the drive line-up from the power supply. This line disconnecting device must be designed
for the electrical equipment of machines in accordance with the requirements of EN 60204-1,
Section 5.3. The relevant technical specifications must be taken into consideration for the
purpose of selecting the device. Other consumers of the electrical equipment must also be
taken into consideration when the device is selected.
The line disconnecting device must be equipped with a leading auxiliary switch (t ≥ 10 ms),
This must be integrated in the shutdown path of the Power Modules (EP terminals).
The accessories required for the line disconnecting device must be selected from the
manufacturer catalogs. See also catalog D21.2.
9.2.3

Overcurrent protection using line fuses or circuit-breakers

The cables for the drive line-up power supply must be protected against overcurrents. NH, D,
and DO-type fuses with a gL characteristic or suitable circuit-breakers can be used for this
purpose.
Note
The devices can be connected to line supplies up to 480 V
of 36 kA symmetrical ("uninfluenced current" acc. to EN 60269-1).
For further information: Refer to Catalog D21.2.
Equipment Manual AC Drive
Manual, (GH6), 03/2006 Edition, 6SL3097-2AL00-0BP0
Cabinet design and EMC for components, Blocksize format
9.2 Selection of Devices Required for Operating SINAMICS
, which can supply a maximum
AC
9-3