Siemens SIRIUS - Page 317

3RA1 fuseless load feeders
SIRIUS System Manual
GWA 4NEB 430 0999-02b
5-27
3RA1 fuseless load feeders - frame size S3 for rail
Figure 5-22: 3RA1 direct-on-line starting (frame size S3) 3RA1 reversing operation (frame size S3)
1) Space above the arc chute
2) Lockable in zero position with a shackle diameter of 5 mm
3) Attached using two 35 mm rails with a depth of 7.5 mm in acc. with EN 50 022 or one 75 mm rail in acc. with EN 50 023.
4) Hexagonal socket 4 mm
Clearance to grounded parts at the side at least 6 mm
NSK-8200
330
12
7
60
23
SIEMENS
SIEMENS
2)
4)
3)
111
111
195
100
160
72
DC 173
5
5
40
125
8
310
320
8
23
23
12
70
1)
NSK-8176
80
150
320
330
12
87
55
60
23
SIEMENS
SIEMENS SIEMENS
2)
4)