ABB VM1 - Page 46

46
VM1 - INSTRUCTION MANUAL BA 504/05 E
46 VM1 Vacuum circuit-breaker | Instruction manual 504/05
549
4
475
150 150
ø35
H
25
260
370
320
205
18
16
13.5
19
16
450
303503
502
8
ø74
383
50
S
21.5
Stroke 8 -11mm
55
!
VM1ABB
)
*
)
**
*)
Rail
**)
Front edge of bar
Panel type Parameters 12 kV Parameters 17.5 kV H ± 2 S ± 3
ZS8.4 without
tee-off partitioning
630 A, ...25 kA 630 A, ...20 kA 193 200
1250 A, ...25 kA 1250 A, ...20 kA 193 200
ZS8.4 with
tee-off partitioning
630 A, ...25 kA 630 A, ...20 kA 283 250
1250 A, ...25 kA 1250 A, ...20 kA 283 250
Figure 10/8: Vacuum circuit-breaker on withdrawable part, type VM1
1)
- Use in ZS8.4
- 12 kV, ...1250 A, ...25 kA
- 17.5 kV, ...1250 A, ...20 kA
1)
See table page 40 and 41 (column Dimensional drawings)
BA 504-05 GB_29102012.indd 46 30.10.12 13:45

Figure 10/8: Vacuum circuit breaker on withdrawable part, type VM1 (
1
)
- Use in ZS8.4
- 12 kV, ...1250 A, ...25 kA
- 17.5 kV, ...1250 A, ...20 kA
(
1
) See table page 40 and 41 (column Dimensional drawings)
Panel type    
ZS8.4without
tee-off partitioning
630A,...25kA 630A,...20kA 1 93 
1 250A,...25kA 1 250A,...20kA 1 93 
ZS8.4with
tee-off partitioning
630A,...25kA 630A,...20kA 283 
1 250A,...25kA 1 250A,...20kA 283 250
—
10. Technical data