ABB VM1-T Manual page 34

V M 1 -T - VACUUM CIRCUIT BREAKER
34
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10. Technical data
10.2.2 Dimensions
K = Cable entry
T = Transport bore, both sides
A = Detail "A"
GA = Tested connection zone
M = Minimum clearance to DIN VDE 0101
Rated
voltage
kV
12 / 17.5
Figure 10/1: Dimensional drawing of circuit breaker type VM1-T:
Circuit breaker for fixed installation
Rated Rated
current short-circuit
breaking current
A kA
630 / 1250 ... 25
- 12 / 17.5 kV, 630 A und 1250 A, ... 25 kA
A1 = Terminal for 630 A
A2 = Terminal for 1250 A
A4 = Connecting bar to DIN 46 433, for 17.5 kV with shrink-on sleeve
= PE conductor terminal, use contact washer
p a a1
150 450 395
210 570 515
c d f
400 450 160
520 570 220