Supply Options (Main Circuit); Infeed System For 3Ra6 - Siemens SIRIUS 3RA6 System Manual

Application planning

4.3 Supply options (main circuit)

4.3 Supply options (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 3RV19 3-phase busbars
● 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).
4.3.1

Infeed system for 3RA6

Rated current
The following rated currents apply to the components of the SIRIUS infeed system for 3RA6:
Table 4- 4
Components
Left infeed, 50/70 mm² screw terminal with
three slots, outgoing terminals with screw-type
connection technology, incl. PE bar
Left infeed, 50/70 mm² screw terminal with
three slots, outgoing terminals with spring-
loaded connection technology, incl. PE bar
Left infeed, 25/35 mm² screw terminal with
three slots, outgoing terminals with screw-type
connection technology, incl. PE bar
Left infeed, 25/35 mm² screw terminal with
three slots, outgoing terminals with spring-
loaded connection technology, incl. PE bar
Left or right infeed, 25/35 mm², with spring-
loaded connection technology
Extension connector
30
Rated current (infeed system for 3RA6)
Article number Rated current I
3RA6813-8AB 100 A
3RA6813-8AC 100 A
3RA6812-8AB 63 A
3RA6812-8AC 63 A
3RA6830-5AC 63 A
3RA6890-1AB 63 A
System Manual, 09/2014, NEB560060102000/RS-AA/006
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SIRIUS 3RA6 compact starter