Siemens SIRIUS 3RA6 System Manual page 40

Application planning
4.3 Supply options (main circuit)
Required creepages and clearances
According to UL 508 (Type E), a creepage of 1 inch and clearance of 2 inches are required
on the line side for aCombination Motor Controller Type E.
The following supply possibilities are available for ensuring that the creepage and clearance
requirements of UL 508 are met:
No. Type of infeed
①
Parallel wiring
②
Infeed system for 3RA6 Left infeed, 50/70 mm
③
3RV19 3-phase busbar
Figure 4-5 Terminals for infeed in accordance with UL 508 (Type E)
Note
According to C22.2-14, terminal blocks are not required for installation in accordance with
CSA requirements.
40
Infeed terminal (in accordance with UL 508, Type E)
Terminal for Self-Protected Combination Motor Controller (Type E)
screw terminal with three slots, outgoing terminal
2
with screw-type or spring-loaded connection technology, incl. PE bar
3RV19 3-phase infeed terminal for installing Type E starters, UL 508
SIRIUS 3RA6 compact starter
System Manual, 08/2018, NEB560060102000/RS-AB/007
Article number
3RV2928-1H
3RA6813-8AB
3RA6813-8AC
3RV2925-5EB