TABLE 9
ECS TRIP CHARACTERISTICS
X
•
Trip
Rating
ECS
PROGRAMMER
ADJUSTMENT RANGE
(Set Points)
in Amperes
Frame
• SeDSOr Rating
Long Time
Short
Time
---
--
--
Instantaneous
Breaker
Siz
e
Pick
�
(•L)
Time
Pickup
Time
Pickup
Type
(Amperes)
(
Sensor
)
{
Mu
!
iple
}
Delay
®
Delay
®
Ampere
Band ®
(
Multiple
)
Band
@
(
Multiple
)
Rating
of
X
(Seconds)
o
f L
(Seconds)
of L
100, 150, 225,
3, 4, 5,
AKR-30
800
300, 400,
6, 8, 10 (L)
600, 800
Maximum
Maximum
22
-or-
0.35
300, 400,
600,
.6, .7, .8,
Intermed.
In termed.
4, 5, 6,
AKR-50
1600
800, 1200, 1600
.9, 1.0,
10
1.75, 2,
0.21
8, 10, 12 (L)
1.1
(X)
Minimum
2.25, 2.5,
Minimum
4
3, 4 (L)
0.095
AKRT-50
2000
800, 1200,
1600, 2000
(!)
Pickup tolerance
is ±. 9%
®
Pickup tolerance
is ±. 10%
@
Time delay shown at 600% of long time pickup setting (6L), at
lower limit of band.
@
Time delay shown at lower limit of band.
TABLE 1 0 - SENSOR R ESISTANCE VALUES
Ampere
Rating
1 00
1 50
225
300
400
600
800
1 200
1 600
2000
1 1 .1
ECS CABLING DIAGRAM
... •• •c
� A A
4
�
rf-1-
- �
I
I
I
'
I
• •
I A
I
I
I
I
I
I
I
I
'c
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
�
UNT
FlUX SHIFT
,._ DEVICE
r-----
M«TE
IILACI<
M«TE
IILACI<
M«TE
IILACI<
c
(..V dcl
(TO SCR
ANODE I
- - - - �
..-s5
PRODIIAMMER
COHHECTOR
COHIECTOR
� 201-"11 � 201217·11
FIG.
75.
CABLING DIAGRAM FOR ECS TRIP
D EVICE
57
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