600
500
500
400
400
300
300
200
200
Long-Time
Delay Bands
um
ate
Maximum Total
Clearing Time
40
30
20
40
30
Minimum Total
Clearing Time
20
10
9
8
7
10
9
8
7
6
6
5
5
4
4
3
3
3L
2
2
4L
5L
Short-time
Pickup Points
6L
8L
1
.9
.8
.7
.9
.8
.7
.6
10L
.6
.5
1
.5
Maximum
.4
.4
.3
.3
Short-Time
Delay Bands
Intermediate
.2
.2
Minimum
.1
.09
.08
.07
.06
.1
.09
.08
.07
.06
.05
.05
.04
.04
4L
12L
Instantaneous
Pickup Points
.03
.03
Application
Determines
End of Curve
.02
.02
.01
X-Current Sensor Taps (Amperes)
AKR-30
AKR-50
AKRT-50
AK-75
AK-100
100, 150, 225, 300, 400, 600, 800
300, 400, 600, 800, 1200, 1600
800, 1200, 1600, 2000
1200, 1600, 2000, 3000
1600, 2000, 3000, 4000
Low-Voltage Power Circuit Breakers
Type AK/AKR
ECS™ Solid-state Overcurrent-trip Device
Long-time-delay, Short-time-delay
and Instantaneous Time-Current Curves
Curves apply at 50/60 Hertz and
from -20ºC to 70ºC programmer ambient
GES-6032
Programmer Set Points
Pickup
Long Time:
0.6, 0.7, 0.8, 0.9, 1.0 and 1.1 multiples of current sensor
rating (X). (Settings higher than 100% of the frame size
do not increase the continuous current rating)
Short Time: 3, 4, 5, 6, 8 & 10 multiples of Long-time
pickup setting (L).
Instantaneous: 4, 5, 6, 8, 10 & 12 multiples of
Long-time pickup setting (L).
Time Delay Bands:
Long-time and Short-time: Max., Int. & Min.
4.77 3M
.01
10000
9000
8000
7000
GE Consumer & Industrial Electrical Distribution
6000
MULTIPLES OF LONG-TIME PICKUP (L)
5000
50 60 70 80 90
4000
40
3000
30
2000
20
1000
900
800
700
600
6 7 8 9 10
500
5
400
4
300
3
200
2
100
.5 .6 .7 .8 .9 1
TIME IN SECONDS
m
50
GES-6032
edi
erm
imu
50
100
90
80
70
60
xim
Ma
Int
Min
60
TIME IN SECONDS
1000
900
800
700
600
100
90
80
70
GES-6032
6000
50 60 70 80 90
5000
40
4000
30
3000
20
2000
6 7 8 9 10
1000
900
800
700
600
5
500
4
400
3
300
2
200
.5 .6 .7 .8 .9 1
100
1000
900
800
700
10000
9000
8000
7000
MULTIPLES OF LONG-TIME PICKUP (L)