Time- Current Characteristic - GE AK-2A-15 User Maintenance Manual

Power circuit breaker
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GEI-50299 Power Circuit Breakers Types AK-2 -15 and AK-2/3-25
I
L O IIi G T I M E
A D J U S T M
lA- 15
38
TO
S E C.
I B -7. 5 ro l 8 s
I
!! •·
I C -3..3 ro 8. 2 sEc
;
( T ! M E VA LUES A R E
1: I •
RESETTABLE DELAY T I M E
A T 6 111o1 E S CO I L R AT I N G )
2
3
I C
USE FOR
N O TE S
I N STA N TA N E O U S P I C K
O N E RANGE
AVA I L A B L E
O T H E RW I S E
S P E C I FI E D - S E T T I N GI S
@
c U R V ES
A R E P L O T T E D
@ IQ.ill
C L t. A R I N G
T I M E - I S DURATION
@
GIV E N
V A L. U E
A N D
W I T H O U T
T H E
B R E A K E R
PICK U P
TO L E R A N C E A RE P L. U S
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FOR
D E TA I L.
M O R E
O F F I C E .
30
RESETT ABL.E
6 7 8 9 10 1 2
15
2
3
USE FOR
4
UP
S E T T I N G S ADJUSTABLE
TO
OF 6 TO
P E R D E V I CE , R A N G E
12
ARE AT
T I M E S
25°C
AT
A M B I E NT
OF FAUL.T
C U R R E N T I N C LUDI N G
- I S DURATION
OF
FA U L. T
8 0
THEN
D R O P
TO
° / .o OF
THE
TR I PP I N 8 .
1 0 %
FOR
O R M INU S
2868 2 0 1 A, B , C
I N F O R M ATION
ORD E R
DWG.
CURR E N T I N T I M ES C OIL RATI N G
Figure 23. (2 86B209) Time- Current Characteristic - E C Devices
1 1:0 110
i.ONI T I ME D E L. AY PI C K U P
WHEN
FURN I SH E D.
D E L AY .,
TIME
.7 .8 9 1
4
5
6 7 8 9 10 1 2
15
I B
9, 6
I 2
9
15
TO
OR
TO
TIM ES · W I T H
12
T I MES IS F U RN I S H ED U N L. E S S
R A T I N G! .
A R C I N G T I M E .
C U R R E N T
W H I C H M A Y P E R S I S T AT A
L.ON8 TilliE D E L. AY
P I C K UP S E T T IN G! ,
L.ONGI
T I M E
a
I N STA NTANEOUS
F R O M L.OCAL.
A P PARATUS
I ETTI N I A D .IUITAIL.E
80 - 1 00 - 120 - 140- 160
1 00 ° / 0
SET AT
TO TA L
C L E A R I N G
T I M E
(D
7 8 9 10 12
1 5
20
TOTA L.
C L EA R I N G
T I M E
K - 1 - 1 5
81

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