Figure 5-20: 3Ra1 Direct-On-Line Starting (Frame Size S2) - Siemens sirius System Manual

3RA1 fuseless load feeders
3RA1 fuseless load feeders - frame size S2 for rail
10 17
SIEMENS
2)
SIEMENS
7 8 17 10
18
55

Figure 5-20: 3RA1 direct-on-line starting (frame size S2)

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
SIEMENS
2)
SIEMENS
7 18
17
10 55
Figure 5-21: 3RA1 direct-on-line starting (frame size S0)
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
5-26
168
79
5
3)
60
87
134
DC 149
18 68
95
28
142
DC 157
176
10
1)
SIEMENS
10
65
8
120
3RA1 reversing operation (frame size S2)
1)
SIEMENS
SIEMENS SIEMENS
17.5
10 17,5
120
3RA1 reversing operation (frame size S0)
7 7
17
SIEMENS
2)
SIEMENS
17.5
17,5
1)
2)
10
SIRIUS System Manual
GWA 4NEB 430 0999-02b