ABB VM1 Instruction Manual page 44

Table 1:
Panel type
UniGear-type ZS1
Powerbloc
Table 2:
Panel type
Powerbloc
UniGear-type ZS1
Figure 10/6: Vacuum circuit-breaker on withdrawable part, type VM1
- Use in UniGear-type ZS1 and Powerbloc
- 12 kV, 2000 / 2500 / 3150
44 VM1 Vacuum circuit-breaker | Instruction manual 504/05
Parameters
12
2000 A, 50 kA
... 4000 A, 50 kA
5)
p N R
275 694 688
275 691±2 688±2
, 4000 A, 50 kA
4) 5)
Rail
*)
Front edge of bar
**)
M W
120 79
149 109
3)
1) Only fitted on withdrawable parts for SACE up to 2500 A
2) Remove the lifting lugs on both sides before commissioning
3) See table page 40 and 41 (column Dimensional drawings)
Heat sink only fitted for rated currents from 3150 A upwards
4)
Breakers for 4000 A with fan cooling
5)
4)
U
694
694