Configuration
4.2 Supply possibilities in main circuit
SIRIUS 3RA6 Compact Starter
28 System Manual, 02/2008, GWA 4NEB 560 0601-02 DS 02
4.2 Supply possibilities in main circuit
The following supply options are available for the compact starter's main circuit:
● Infeed via parallel wiring of individual compact starters
● Infeed via SIRIUS infeed system for 3RA6
● Infeed via 3-phase bus bars
● Infeed via 8US busbar adapter
If the creepages and clearances specified by UL 508 also need to be observed, then special
infeed terminals are available for the relevant infeed systems.
According to UL 508, these infeed terminals are not required for MSP (Manual Starter
Protector).
4.2.1 SIRIUS infeed system for 3RA6
Maximum rated current
The following maximum rated currents apply to the components of the SIRIUS infeed
system for 3RA6:
Table 4-2 Maximum rated current (infeed system for 3RA6)
Components Order number Max rated current I
r max
Left infeed, 50/70 mm² screw terminal with
three slots, outgoing terminals with screw-type
connection technology, incl. PE bar
3RA6813-8AB 100 A
Left infeed, 50/70 mm² screw terminal with
three slots, outgoing terminals with spring-
loaded connection technology, incl. PE bar
3RA6813-8AC 100 A
Left infeed, 25/35 mm² screw terminal with
three slots, outgoing terminals with screw-type
connection technology, incl. PE bar
3RA6812-8AB 63 A
Left infeed, 25/35 mm² screw terminal with
three slots, outgoing terminals with spring-
loaded connection technology, incl. PE bar
3RA6812-8AC 63 A
Left or right infeed, 25/35 mm², with spring-
loaded connection technology
3RA6830-5AC 63 A
Extension connector 3RA6890-1AB 63 A
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