Ecs Trip Characteristics; Ecs Current Sensors On Akru-44-30 Breaker - GE AKR Series Maintenance Manual Supplement

Power Circuit Breokers, GEI-86134
Fi.g.
31. ECS
current
sensors on
AKRU-44-30
breaker
IABI.I
5
TCS
IRIP
CHARACITRISIICS
@
time
delay shown
at
6007o
of
long time pickup setting
(6L),
at
lower
limit of
band.
@
fim"
delay shown at
lower
limit
of
band.
(See page
27
for
time-current
cuwes)
ri)
\J/
@
Pickup tolerance
is+
9Vo
Pickup tolerance
is
+
10Vo
Breaker
Type
Frame
Size
(Amperes)
X
=
Trip Rating
in Amperes
=Sensor
Rating
ECS
PROGRAMMER ADJUSTMENT RANGE
(Set Points)
Long Time
Short Time
Instantaneous
Pickup
/O\
-
1
Multiple
\
\ ofl',
/
/
Sensor
\
(amp"'e
)
\
Rating
/
Pickg(=L)
/
Muiiiple
\
\ ofX /
Time
Delav
Band @
(Seconds)
Pickup
@
/
Multiple
\
\ ofl, /
Time
Delav
Band
@
(Seconds)
AKR.3O
800
100, 150,
225,
300,400,
600, 800
.6, .7, .8,
q 10
1.1(X)
Maximum
22
Intermed.
10
Minimum
^
3,4,5,
6,
8, 10
(L)
-or-
7.75,2,
2.25,2.5,
3,4 (L)
Maximum
0.35
Intermed.
o.2L
Minimum
0.095
4,5,6,
8, 10, 12
(L)
AKR.50
1600
300,400, 600,
800, 1200,
1600
AKRT.SO
2000
800, 1200,
1600, 2000
25