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3RA1 fuseless load feeders
SIRIUS System Manual
GWA 4NEB 430 0999-02b
5-25
3RA1 fuseless load feeders - frame size S0 for rail
Figure 5-18: 3RA11 20-..A.. for direct-on-line starting
3RA12 20-..B.. for reversing operation
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.
Clearance to grounded parts at the side at least 6 mm
3RA1 fuseless load feeders - frame size S0
for 40 mm and 60 mm busbar systems
Figure 5-19: 3RA11 20-..C.., 3RA11 20-..D.. for direct-on-line starting 3RA1220-..C.., 3RA1120-..D.. for reversing operation
1) Space above the arc chute
2) Lockable in zero position with a shackle diameter of 5 mm
Clearance to grounded parts at the side at least 6 mm
8 14
10
30
5
5
91
5
45
28
14
6
18
3
17
8
6
2)
39
7,5
5
61
86
DC 96
33
1)
N
S
K-81
68
SIEMENS
SIEMENS
45
SIEMENS
SIEMENS
SIEMENS
18
5
19
9
2)
N
S
K-81
69
55
8
14
10
100
7,5
6
55
DC 112
77
102
39
12
5
5
10
4
22
5
8 14
7
5
49
106
1)
3)
7.5
7.5
121
2)
1)
NS
K
81
70
b
SIEMENS
SIEMENS
14
8
28
48
23
13
6
27
18
3
20
9
70
92
117
45
DC 127
2)
b)
NSK 8171b
SIEMENS
SIEMENS
14
8
10
6
18
5
21
1
100
SIEMENS
26