Siemens SIRIUS System Manual

3RA1 fuseless load feeders
SIRIUS System Manual
5-14
GWA 4NEB 430 0999-02b
5 3RA1 fuseless load feeders
Fuseless feeders for busbar mounting
There are kits available for reversing operation for frame sizes S00 to S2.
The fuseless load feeders of frame size S3 are not suitable for busbar
mounting.
Direct starters of frame
sizes S00 to S2
The following illustrations show how to assemble the fuseless load feeder:
• Busbar adapter
• Direct starters
• Frame sizes S00 to S2
Figure 5-8: Self-assembly, busbars, direct starters (frame sizes S00 and S2)
3RA1921-1.
S2
S0
S00
4
1
4
2
3
5
3RA1931-1.
8US1
1
2
4
3
3
5
3RA1911-1A
8US1
110
1
2
4
3
5
3
8US1
125

Siemens SIRIUS Specifications

General

Brand	Siemens
Model	SIRIUS
Category	Relays
Language	English