GE AKR-4-30 Maintenance Manual Supplement page 29

10
00
00
•
00
I
00
00
200
100
..
..
7 0
..
0
I �
0
IX
;!: 2 0
�
0
•
7 I
I
•
�.
.
Ground Fault
!
De ay Bands
.2
..
1
. ...
.
.07
..
OS
.
.
.
.03
.01
.
.2
.
NOTE:
4th wire Ground lensor top mu5t be set some
as phose senlOr tap
.
G E N E R A L E L E C T R I C
Sensor Tops {Amperes)
Current
70, 1 00, 1 50, 2 2 5
A K- 1 5
70. 1 00. 1 50, 2 2 5 200, 300, 400, 600
A K 2 5 or
1 00, 1 50, 225, 300 300, 400, 600, 8 0 0
AKR-30 o r
78 ! 3 M I
600, 800, 1 2 00, 1 6 00
300, 400, 600, 8 0 0
A K . A K R · S O o r
2
MULTIPLES OF CURRENT SENSOR TAP (X)
AK-15/25
Ground Fault
Pickup Points
.BX
AKR-30
Ground Fault
Pickup Points
I.O)(
1.2X
Maximum
Intermediate
Minimum
.• 5 6 1
MULTIPLES OF CURRENT SENSOR TAP
TYPE AKR LOW-VOLTAGE POWER CIRCUIT BREAKERS
SSTT"'
SOLID-STATE OVERCURRENT TRIP DEVICE
Ground Trip Time-current Curves
20C + 70C
Curve5 opply ot
From ro
�
GENERAl ElECTRIC CO., CIRCUIT PROTECTIVE DEVICES DEPT., PlAINVI llE, CONN.
Power Circuit Breakers, GEI-86134
5X
.2
Ground Fault
Pickup Points
.7X
.•
·'
(X)
Ground Fault Pickup:
A K - 1 5 i 2 5
AKR-30
50/60 He-rtt
AKiAKR-50
Ground Fault Delay Bands:
06062
Programmer Ambient
1
...
...
100
700
...
500
...
...
200
1
00
..
10
70
..
so
..
,.
1
AK-50
AKR-50
Maximum
lntermedi ate
.1
.0
.0
.0
Minimum
.0
.0
.0
.01
, , 1
GES-6034A
Programmer Points
&
Set
&
&
S x , . 6 x , . S x , 1 O x , l . S x , 2.0x
X =
4 x , .Sx, . 6 x . . 8 x , l .O x , 1 .2 x
.2Sx . . 3x . . 4 x , .Sx . . 6x, . 7 x
&
Where sensor top settmg
Intermediate
M a x r m u m M i n r m u m
29