NV250-SEW
Ope
ra
tin
g ti
m
e
4 TRIP
Operating time
LED ON
5
START
3
2
1 BREAKER
ON
MODE
：
I
Current
INST operating time
0.01s
BREAKER
ON
MODE
：
S
6
103%I
T
100s
STOP
6
5 OVER LED ON
LEVEL
：
UP
4
START
MODE
：
L
BREAKER
ON
1
Current
LTD pickup
Ope
ra
tin
g ti
m
e
NV250-SEW : I
T
=225A
Current
200%
Ope
ra
tin
g ti
m
e
LTD
operating time
1
LEVEL
：
200
3
MODE
：
L
2
START
4
LED ON
NV250-SEW
2
BREAKER
ON
1
START
3
NV250-SEW
STD
operating time
Current
Ope
ra
tin
g ti
m
e
STD operating time test
7
BREAKER trip
8
LTD pickup
4 TRIP
5
0.3s
LED ON
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".
However,it is not the abnormalities of the breaker tester.
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
)
.
Operating
time
3
2
TRIP
5
Operating time
LTD pick up current test
INST operating time test
LTD operating time test
STD operating time test
100
2s
0.5s
0.5s
2s
After the test
63
5.1
10
32
5
10
6.3
10
125
6
10
160
5
10
225
5
9
250
5
10
400
5
10
630
5
10
800
5
10
1000
5
10
1250
5
10
1600
5
10
3 Close
4
3
2
1
3
2
1
2
1
9s
5
4
3
2
1
S
I
P
T
S
I
T
L
Ir
Number
：
4
Number
：
2
Number
：
5
Number
：
3
9s
1
Lighting-up time of 70% LED
I
r
(
A
)
12
I
P
(
×
Ir
)
T
S
(
S
)
I
S
(
×
Ir
)
T
L
(
S
)
Number
0.95
0.85
0.7
2
3
4
5
6
7
8
9
10
2
60
0.06
0.75
2.5
0.8
0.1
3
80
0.2
3.5
100
0.9
0.3
4
5
1.0
6
7
8
10
STOP
70%LED
OFF
70%LED
ON
Setting points
START
NV250-SEW
Setting points of characteristics
I
P
：
0.9
×
Ir
T
S
：
0.1s
I
S
：
2.5
×
Ir
T
L
：
100s
Ir
：
225A
START
3
70% LED ON
4
5 STOP
BREAKER
ON
1
150
100
60
12
For 400,630,800,1000,1250 and 1600A Frame
For 125,160 and 250A Frame
3
4 LEVEL : 200
MODE : P
2
1 BREAKER
ON
PALc
PALa
VAC
230
P1
(
PALc
)
P2
PALa
PAL-M
PAL operating time test
START
MODE : P
BREAKER
ON
1
2
3
4 LEVEL : UP
STOP
6
PAL LED ON
5
CONNECT
63%I
Ｔ
PAL pick up current test
Ope
ra
tin
g ti
m
e
NV250-SEW : I
Ｔ
=225A
PAL pickup
PAL pickup
Current
PAL
operating time
Current
Ope
ra
tin
g ti
m
e
Caution
NV250-SEW
200%
7 STD operating time test
8 BREAKER trip
Voltage
STOP SIGNAL TERMINAL
pull
POWER switch OFF
1
MODE
：
C
2
(
s
)
Time
Max. adjust
Min. adjust
Ref. current
(
A
)
6
50s
Operating
time
START
5
LED
ON
2
