GE AKR-30 Series Maintenance Manual page 122

SECTION 9-Fused Breakers (Cont.)
1 . 2 5 0 0 A
Sp e c ial Fu s e
2 .
D i s c onne c t K e y
3 .
Heat Sink
FIG. 53 AK RU 50 WITH SPECIAL
2500 AMP FUSE
N E M A
Fuse
Class
600V
60 Hz
J
L
Special
•
Mounting adapter required - see Fig.
42
4 .
Upp e r Bar r i e r
5 .
P r i m a r y Di s c onne ct
TABLE 6
FUSES FOR AKRU BREAKERS
Breaker
Type
30 50
-
-
-
-
�
-
52
CAUTION :
WHEN REPLACING THE F U S E I N THE
LEFT POLE (FRONT VIEW) O F THE BREA KER,
NO TE PA R TI C UL A R L Y THA T THIS F U S E I S
MOUN TED DIFFERENTL Y THAN THE O THER TWO
FUSES. A S SHO WN IN FIG . 54, FOR THIS PHASE
THE FUSE IS R O TA TED 1 80 DEGREES A B O U T
I TS A XI S S O THA T I TS I N B O A R D TA N G I S
POSI TIONED
THIS TA NG I S OFFSET WITH RESPECT TO THE
OPPOSITE END SO THA T R O TA TING THE FUSE
DOES NO T A L TER THE POSITION OF THE PRI­
MAR Y DISCONNECT.
FRONT OF B R E A K E R
FUSE TANGS
B R E A K E R
POSI T I O N E D ON TOP
STUD
O F B R E A K E R STUD
l TANG BOLT·
HOLES
I N USE
P R I MA R Y D I SCONN ECT ASSEM BLY ( S E E F I G . 53)
MOUNTS D I RECTLY O N OUTBOA R D FUSE TANG
A K R U 50-2500A FUSE TANG POSITIONS
G o u l d Shawmut
Am pere
Rating
Fuse
300* A4J 300
350*
A4J 350
400* A4J 400
450 A4J 450
500
A4J 500
600 A4J 600
800 A4BY 800
1 000
A4BY 1 000BG
1 200
A4BY 1 200BG
A4BY 1 600BG
1 600
A4BY 2000BG
2000
-
2500
THE B REAKER S TU D .
0
FOR THIS POLE O N L Y ,
F U S E I S ROTATED 1 80'
TO POSITION TANG
B E N EATH BREAKER STUD
2500A. F U S E
CAT. N O .
G F9F2500 A K
G
G
FIG. 54
Cat. Nos.
Li miter
-
-
-
-
-
-
A4BX 800
A4BX 1 000BG
A4BX 1 200BG
A4BX 1 600BG
A4BX 2000BG
A4BX 2500GE