Siemens SIRIUS System Manual

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
183
178
6
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39
7,5
5
61
86
DC 96
33
1)
NSK-8168
SIEMENS
SIEMENS
45
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SIEMENS
185
199
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NSK-8169
55
8
14
10
1007,5
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55
DC 112
77
102
39
125
5
104
22
5
8
14
7
5
49
106
1)
3)
7. 5
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121
2)
1)
NSK 8170b
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SIEMENS
14
8
28
48
23
13
6
27
183
209
70
92
117
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NSK 8171b
SIEMENS
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14
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185
211
100
SIEMENS
26

Siemens SIRIUS Specifications

General

Brand	Siemens
Model	SIRIUS
Category	Relays
Language	English