GE AKR-30 Series Maintenance Manual page 57

Breaker
Type
(Amperes)
AKR-30
AKR-50
AKRT-50
(!)
Pickup tolerance is ±. 9%
®
Pickup tolerance is ±. 10%
1 1 .1 ECS CABLING DIAGRAM
ECS TRIP CHARACTERISTICS
X Trip
• Rating
in Amperes
-- -
• SeDSOr Rating
- -
( )
Frame
Size
--
Pick
{
Sensor
Ampere
Rating
100, 150, 225,
300 , 400 ,
800
600, 800
300 , 400 , 600,
1600
800, 1200, 1600
2000
800, 1200,
@
1600, 2000
@
TABLE 1 0 - SENSOR R ESISTANCE VALUES
Ampere
Rating
1 00
1 50
225
300
400
600
800
1 200
1 600
2000
� A A
... •• •c
rf -1-
�
I
'
I
• •
I A
I
I
I
I
I
I
FIG. 75. CABLING DIAGRAM FOR ECS TRIP
D EVICE
TABLE 9
ECS PROGRAMME R ADJUSTMENT RANGE (Set Points)
�
Long Time
®
Band ®
(•L) Time Pickup
! }
(
Delay
Mu iple Multiple
of L
X
of (Seconds)
3, 4, 5,
6, 8, 10 (L)
Maximum
-or-
22
Intermed.
.6, .7, .8,
10
.9, 1.0, 1.75, 2,
(X)
Minimum
1.1 2.25, 2.5,
4
3, 4 (L)
Time delay shown at 600% of long time pickup setting (6L), at
lower limit of band.
Time delay shown at lower limit of band.
Resistance In Ohms
between Terminals
3.0 - 3.4
4.4 - 5.0
4.8 - 5.6
6.4 - 7.2
6.7 - 7.8
6.4 - 7.6
8.8 - 1 0.4
1 3.5 - 1 5.8
1 9.4 - 22.8
29.5 - 34.5
4
�
FlUX SHIFT
r - - - - -
,._ DEVICE
- �
I
M«TE
I
c
IILACI<
M«TE
I
IILACI<
M«TE
I
IILACI<
'c
..-s5
PRODIIAM ME R
COHHE CT OR
COHIECTOR
� 201-"11
� 201217 · 1 1
Short Time
Instantaneous
®
@
Time Picku p
(
)
Delay
Band Multiple
(Seconds)
of L
Maximum
0.35
In termed.
4, 5, 6,
0.21
8, 10, 12 (L)
Minimum
0.095
UNT
(..V dcl
(TO SCR
ANODE I
- - - - �
)
57