GE AKR-30 Series Maintenance Manual page 220

SECTION 9-Fused Breakers (Cont.)
1 . 2 5 0 0 A
Sp e c ial Fu s e
2 .
Di s c onne ct Key
3 .
Heat Sink
FIG. 53 AKRU 50 WITH S PECIAL
2500 AMP FUSE
E
MA
N
Fuse
Class
600V
60 Hz
J
L
Special
* Mounting adapter required - see Fig. 52
42
4 .
Upp e r Ba r r i e r
5 .
Primary Di s c onne ct
TAB LE 6
FUSES FOR AKRU BR EAKERS
Breaker
Type
30 50
-
-
-
-
\>
-
CAUTION:
WHEN REPLACING THE FUSE I N THE
LEFT POLE (FRONT VIEW) OF THE B REAKER,
N O TE PA R TI C UL A R L Y THA T THIS F U S E I S
MOUNTED DIFFERENTL Y THAN THE O THER TWO
FUSES. AS SHOWN IN FIG . 54, FOR THIS PHASE
THE FUSE IS ROTA TED 1 80 DEGREES A B O U T
I TS A XIS S O THA T I TS I N B O A R D TA NG I S
POSITIONED BENEA TH THE B REAKER S TU D .
THIS TANG IS OFFSET WITH RESPECT TO THE
OPPOSITE END SO THA T R O TA TING THE FUSE
DOES NOT 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
POSIT I O N E D ON TOP
STUD
O F B R EA K E R STUD
lTANG BOLT•
HOLES
I N USE
P R I MARY D I SC O N N E CT ASSEM BLY ( S E E F I G .
MOUNTS DI RECTLY O N OUTBOARD FUSE TANG
AKRU 50-2500A FUSE TANG POSITIONS
Gould Shawmut
Ampere
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
0
FOR T H I S POLE O N LY ,
F U S E I S ROTATED 1 80c
TO POSITION TANG
B E N EATH
L•� ·� I
2500A. F U S E
C AT. N O .
GF9F2500 AK
(±) (±)
53)
FIG. 54
Cat. Nos.
Limiter
-
-
-
-
-
-
A4BX 800
A4BX 1 000BG
A4BX 1 200BG
A4BX 1 600BG
A4BX 2000BG
A4BX 2500GE
ER STUD