GE AKR-30 Series Maintenance Manual page 42

SECTION 9-Fused Breakers (Cont.)
1 . Spe c ial Z S OOA Fu s e
Z . Di s c onnect Key
3 . Heat Sink
FIG. 53 AK RU 50 WITH SPECIAL
2500 AMP FUSE
NEMA
Fuse
Clan
600V
60 Hz
J
L
Spec1al
• Mounting adapter requ•red - see
42
4 . Upper Ba r r i e r
5 . Primary Di s c onnect
TABLE 6
FUSES FOR AKRU BREAKERS
B reaker
30
-
-
-
I
I
-
-
19 52
F
WHEN REPLACING THE FUSE IN THE
CAUTION:
LEFT POLE (FRONT VIEW) OF THE BREAKER,
NOTE PAR TI C ULARL Y THA T THIS FUSE IS
MOUNTED DIFFERENTLY THAN THE OTHER TWO
FUSES. A S SHOWN IN FIG .
THE FUSE IS ROTA TED
ITS AXIS S O THA T I TS INBOARD TA N G IS
POSITIONED
THIS TANG IS OFFSET WITH RESPECT TO THE
OPPOSITE END SO THA T ROTATING THE FUSE
DOES NOT ALTER THE POSITION OF THE PRI­
MARY DISCONNECT.
FRONT OF BREAKER
FUSE TANGS
BREAKER
POSITIONED ON TOP
STUD
OF BREAKER STUD
1 T ANG BOLT•
HOLES
GF9F2500 AK
IN USE
0
0
PRIMARY DISCONNECT ASSEMBLY (SEE FIG.
MOUNTS DIRECTLY ON OUTBOARD FUSE TANG
AKRU 50-2500A FUSE TANG POSITIONS
Gould Shawmut
Ampere
Rating
Fuse
300
300'
A4J
350'
A4J 350
400' A4J 400
450 A4J 450
A4J 500
500
600
A4J 600
800 A48Y 800
1 000 A4BY 1 000 B G
1 200
A4BY 1 200BG
A48Y 1 600BG
1 600
A48Y 2000 B G
2000
-
2500
54,
FOR THIS PHASE
1 80
DEGREES ABOUT
THE BREAKER S TUD.
0
FOR THIS POLE ONLY,
FUSE IS ROTATED
TO POSITION TANG
BENEATH
2500A. FUSE
CAT. NO.
0 0 0
0
1 3)
FIG. 54
Cat. Nos.
Limiter
-
-
-
-
-
-
A4BX 800
A4BX 1 000BG
A4BX 1 200BG
A4BX 1 600BG
A4BX 2000BG
A4BX 2500GE
1 80
STUD