ABB VM1-T Manual page 36

V M 1 -T - VACUUM CIRCUIT BREAKER
36
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10. Technical data
K = Cable entry
T = Trnasport bore, both sides
A = Detail "A"
GA = Tested connection zone
M = Minimum clearance to DIN VDE 0101
Rated
voltage
kV
24
Figure 10/3: Dimensional drawing of circuit breaker type VM1-T:
Rated Rated
current short-circuit
breaking
current
A kA p
630 / 1250 ... 25 210
275
- 24 kV, 630 A and 1250 A, ... 25 kA
A1 = Terminal for 630 A
A2 = Terminal for 1250 A
A4 = Connection bar to DIN 46 433, for 17.5 kV with shrink-on sleeve
= PE conductor terminal, use contact washer
a a1 c d
570 515 520 570
750 695 700 750
f p e i
220 210 409 60
545 275 428 50
k l
368 480
530 670