Short Circuit Ratings - GE AKR-30 Series Maintenance Manual

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2.7

SHORT CIRCUIT RATINGS

Short circuit ratings vary with the applied system vol­
VAC systems they are also dependent upon
tage. On 240
whether the overcurrent trip device contains an instan­
taneous trip element. See Table
FRAME
SIZE
(AMPERES)
AKA 30
800
AC
AKA 30H
AKA 50
1600
AC
AKA SOH
AKA SOH-1
AKAT 50
2000
AC
AKAT SOH
800 AKAU 30
1600 AKAU 50
800 DC AKA 30
2000 DC
AKA 50
40-800
'With 200-2000 Amp Trip Coils
'With Amp Trip Coils
>consult Factory For Application Data
4.
TABLE 4 - BREAKER INTERRUPTION RATINGS
RATED
MAXIMUM
BREAKER VOLTAGE
TYPE (60HZ AC)
635
508
254
635
508
254
635
508
254
635
508
254
635
508
254
635
508
254
635
508
254
600
600
300VDC
300 VDC
3c/>
INTERRUPTION RATING
KA RMS SYMMETRICAL
WITH
INSTANTANEOUS INSTANTANEOUS
TRIP
30
42
42
42
50
65
50
65
65
50
65
65
200
25'
SHORT
TIME
TRIP
30 30
42 42
42
50 50
50 50
65 65
65 65
50 50
65 65
65 65
-
200
3
25
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