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
N
S
K-82
00
33
0
12
7
60
23
SIEMENS
SIEMENS
2)
4)
3)
111
111
195
10
0
160
72
DC 173
5
5
40
12
5
8
31
0
32
0
8
23
23 12
70
1)
N
S
K-81
76
80
150
32
0
33
0
12
8
7
55
60
23
SIEMENS
SIEMENS
SIEMENS
2)
4)