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LTD pick up current test
NV250-SEW : I
=225A
T
BREAKER
1
ON
2
MODE
：
Current
3
START
LTD pickup
LTD operating time test
NV250-SEW
1
BREAKER
ON
200%
Current
3
LEVEL
LTD
2
MODE
operating time
STD operating time test
NV250-SEW
1
BREAKER
ON
2
MODE
Current
STD
operating time
INST operating time test
NV250-SEW
1 BREAKER
MODE
2
Current
INST operating time
LEVEL
UP
4
：
L
7
STD operating time test
8
BREAKER trip
200
：
4
START
L
：
4 TRIP
In case of type NF125/160/250-SGW/HGW(RE)
Even if it makes Ts into which value (0.06-0.1-0.2-0.3)
in the case of the test of STD pick up (mode-S),
the test result is displayed as "0.06".
S
：
However,it is not the abnormalities of the breaker tester.
3
START
In practice ,it is set up as setting value.
Only when tested by "Y-250".
When checking the setup, please perform setting value
check mode (mode-C).
ON
I
：
3
START
PAL pick up current test
5 OVER LED ON
LTD pickup
103%I
T
6
STOP
Current
PAL pickup
PAL operating time test
5
TRIP
CONNECT
200%
Current
Operating time
PAL
100s
operating time
6
LED ON
Setting points of characteristics
NV250-SEW
BREAKER
1
Operating
time
0.3s
5
LED ON
1
2
3
Number
Lighting-up time of 70% LED
Ref. current(A)
32
I
(A)
r
Min. adjust
Time
(s)
Max. adjust
10
T
12
60
80
L
(
S
)
12
60
100
I
2
2.5
3
(
Ir )
S
×
T
(
)
0.06
0.1
S
S
I
0.7
0.75
0.8
(
Ir )
P
×
After the test
4 TRIP
Operating time
0.01s
5
LED ON
NV250-SEW : I
=225A
Ｔ
1
BREAKER
ON
2
MODE : P
3
START
Caution
PAL-M
NV250-SEW
1 BREAKER
ON
PALa
PALc
2
4 LEVEL : 200
3
MODE : P
ON
2
MODE
C
：
3
START
Setting points
START
70%LED
Ir
225A
Ir
：
ON
T
100s
：
L
I
2.5
Ir
：
×
S
70%LED
T
0.1s
：
S
OFF
2s
I
0.9
Ir
：
×
P
4
5
6
7
8
9
10
63
100
125
160
225
250
400
630
800
1000
1250
1600
5
5.1
6.3
6
5
5
5
5
5
5
5
5
5
10
10
10
10
9
10
10
10
10
10
10
10
100
For 125,160 and 250A Frame
150
For 400,630,800,1000,1250 and 1600A Frame
3.5
4
5
6
7
8
10
0.2
0.3
0.85
0.9
0.95
1.0
pull
2
1
POWER switch OFF
PAL LED ON
5
PAL pickup
63%I
Ｔ
6
STOP
4 LEVEL : UP
7 STD operating time test
8 BREAKER trip
PALa
Voltage
P2
230
VAC
P1
(PALc)
STOP SIGNAL TERMINAL
Operating
time
50s
5
START
6
LED
ON
4
70% LED ON
5 STOP
STOP
T
I
T
I
L
2 1
4 3
2 1
1
3 2
2 1
4 3
5
9s
S
S
P
0.5s
0.5s
2s
9s
Number
4
：
Number
2
：
Number
3
：
Number
5
：
3 Close
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