Short Circuit Ratings - GE AKR-30 Series Maintenance Manual

SHORT CIRCUIT RATINGS

2 .7
Short circuit ratings vary with the applied system vol­
tage. On 240 VAC systems they are also dependent upon
whether the overcurrent trip device contains an instan­
taneous trip element. See Table 4.
FRAME
SIZE BREAKER
(AM PERES)
800
AC
1 600
AC
2000
AC
800
1 600
800 DC
2000 DC
40-800
'With Amp T r i p Coils
2 With 200-2000
Amp Trip Coils
3Consult Factory For Appli cation Data
TABLE 4 BREAKER I NTERRUPTION R ATINGS
RATED
MAXIMUM
VOLTAGE
TYPE {60 HZ AC)
635
AKR 30 508
254
635
AKR 30H
50 8
254
635
AKR 30L
50 8
254
635
AKR 50
50 8
254
635
AKR 50H
508
254
635
AKR 50H-1
50 8
254
635
AKRT 50 50 8
254
635
ARKT 50H 50 8
254
AKRU 30
600
AKRU 50
600
AKR 30 300VDC
AKR 50
300VDC
3<!> I NTERRUPTION RATING
KA
RMS SYM M ETRICAL
WITH
INSTANTAN EOUS INSTANTANEOUS
TRIP
30
42
42
50
50
65
42
50
65
50
65
65
50
65
65
200
25 1
50 2
WITHOUT
SHORT
TRIP TIME
30
30
42 42
50
50
65 65
42 42
50 50
50 50
65 65
65
65
50
50
65 65
65 65
-
200
3
25
50
9