Description Of The Hardware - Siemens SIRIUS 3RA6 System Manual

7.7.2

Description of the hardware

Features
The SIRIUS infeed system for 3RA6 is a pre-wired infeed system for the compact starter.
The infeed system for 3RA6 is characterized by the permanent wiring of the main circuit, the
PE infeed and PE tap. Compact starters can be removed from the infeed system and
reinstalled without having to go to all the trouble of disconnecting and reconnecting the
wiring.
Configuration
The infeed system for 3RA6 offers 3 supply possibilities. The following table presents these
3 supply possibilities and lists the short designations used to refer to them in this section.
Table 7- 3
Infeed
Left infeed, 50/70 mm
three slots, outgoing terminal with screw-type
or spring-loaded connection technology, incl.
PE bar
Left infeed, 25/35 mm
three slots, outgoing terminal with screw-type
or spring-loaded connection technology, incl.
PE bar
Left or right infeed, 25/35 mm
loaded connection technology
Note
Short designations
For clarity's sake, this manual employs the short designations for the various infeed types
that are associated with the infeed system for 3RA6. For a list of all the abbreviations used in
the manual, please refer to the appendix "List of abbreviations (Page 311)".
Thanks to the modular design, the infeed blocks can be extended to a total maximum width
of 1.20 m using extension modules. For this purpose, the infeed blocks and extension
modules are arranged side by side and connected up electrically using an extension
connector and an optional PE extension connector.
SIRIUS 3RA6 compact starter
System Manual, 09/2014, NEB560060102000/RS-AA/006
Short designations for the infeed system for 3RA6
screw terminal with
2
screw terminal with
2
, with spring-
2
7.7 Infeed system for 3RA6
Article number Short designation
3RA6813-8AB Screw-type infeed (50/70 mm
3RA6813-8AC
3RA6812-8AB Screw-type infeed (25/35 mm
3RA6812-8AC
3RA6830-5AC Spring-loaded infeed
Accessories
)
2
)
2
159