Ecs & Sst Time-Current Curves - GE AKR-4-30 Maintenance Manual Supplement

.I .I .l .I . •
2
1110
-
• I
..
...
...
Long-time
Delay Bands
0
0
Mi nimum Total
Cle aring Time
0
•
•
7
•
•
•
2
4L
Low-range
Short-time
Pickup Points
•
.
•
.
•
•
•
Maximum
.1
Minimum
.
.
..
01
..
.
4L
..
.
.
..
..
.
.
..
.02
1
.7 .I .I 1
.I
. 5 5
.
G E N E R A L E L E C T R I C
X = Cumnt Sensor
Rating (Amperot)
AKR-30 1 00. 1 50. 225. 300, 400, 600. 800
AKR·50 300, 400, 600, 800, 1 200, 1 600
800, 1 200, 1 600, 2000
AKRT-50
1 200, 1 600. 2000. 3000
AK-75
12-77 ( 5 M )
AKR-75 1 200, 1 600, 2000, 3000, 3200
GENERAL ELECTRIC CO., CIRCUIT PROTECTIVE DEVICES DEPT., PlAINVIllE, CONN. 06062
AK/AKR- 1 00 1 600, 2000, 3000, 4000
I 1 I 1 11
MULTIPLES OF LONG-TIME PICKUP {L)
.. .. ..
50 10 7G 1010!
Maximum Total
Clearing Time
High-range
Short·time
Pickup Points
1 0
Short-time
Delay Bands
Instantaneous
Pickup Points
Application Determines
End of Curve
I 7
I IDID §
30
1 10 40 50 10 70
MULTIPLES OF LONG-TIME PICKUP (L)
AK/AKR LOW-VOLTAGE POWER CIRCUIT BREAKERS
TM
E c s
SOLID-STATE OVERCURRENT-TRIP DEVICE
Long-time-delay, Short-time-delay
ond Instantaneous Time-current Curves 50/60
20C to + 70C
apply at
Curves
from Programmer
�
Power Circuit Breakers, GEI-86134
! Uf
1 1 !! 1 1 1
I
NOTE:
be
Short-time delay it optional. lnstantaneou•
can omitted.
Lont·liMe: 9
Program-r
(X). h
I'ICKUP
.6, .7, .8, . , 1.0 & 1 . 1 (t}.
e
(SoHong• hig r than 100% of
lnttonto-ovl: 4,
the continuous current ratong.)
Short·ti!M: 1 75, 2. 2.25, 2.5, 3 & 4
Ambient
long-tome pickups.enmg
Lon
S. 6, 8. 1 0 I
Hertz
HH1ng {l).
TIME DELAY lANDS
-ti- eM Short·ti�ne: Mox
I I I II
1 ...
...
I I I
...
lot
...
...
...
...
..
..
..
70
..
..
..
..
..
.D
I
ii!i
.0
.0
7
.0 •
..
..
02
.0
I I
GES-6032A
e
tho
Set Poinh
mul i l •
or 4, lt
t p of current s.enwr ratong
m pl u
frame tole do not increos.e
l e 1
m t pl
3, 5, 6, 8 & 10 u o of
u o of Long-t•m• pockup
12
Int. I Mon.
27