25
Type
Rated current
I
n (A)
Rated insulation voltage Ui (V) AC
Standard
690V
500V
440V
400V
230V
Frame (A)
AC Breaking
capacity (kA rms)
I
EC60947-2
I
cu/
I
cs
Number of poles
Automatic tripping
device
Rating (A) and
Inst. (A)
Low-inst
Number of poles
Automatic tripping
device
Rating (A) and
Inst. (A)
250
Automatic tripping
device
Rating (A) and
Inst. (A)
Generator
Number of poles
Mag-Only
Number of poles
Automatic tripping
device
Rating (A) and
Inst. (A)
–
–
Electronic trip relay
Adjustable ampere rating
Adjustable long time delay
operating time, short time delay
pick up, and instantaneous
Short time delay pick up current
Variation is within
±
15% of
setting current
2 to 10
I
r
125 250-312.5-375-437.5-500-
625-750-875-1000-1250
150 300-375-450-525-600-
750-900-1050-1200-1500
175 350-437.5-525-612.5-700-
875-1050-1225-1400-1750
200 400-500-600-700-800-1000-
1200-1400-1600-2000
225 450-562.5-675-787.5-900-
1125-1350-1575-1800-2250
250 500-625-750-875-1000-
1250-1500-1750-2000-2500
Instantaneous pick up current
Variation is within
±
15% of
setting current
4 ~ 14
I
n
125 ~ 250 1000 ~ 3500
–
NF250-HEP
125-250
690
5/3
30/8
50/13
50/13
100/25
3
4
–
3
–
–
Electronic trip relay
Adjustable ampere rating
Adjustable long time delay
operating time, short time delay
pick up, and instantaneous
Short time delay pick up current
Variation is within
±
15% of
setting current
2 to 10
I
r
125 250-312.5-375-437.5-500-
625-750-875-1000-1250
150 300-375-450-525-600-
750-900-1050-1200-1500
175 350-437.5-525-612.5-700-
875-1050-1225-1400-1750
200 400-500-600-700-800-1000-
1200-1400-1600-2000
225 450-562.5-675-787.5-900-
1125-1350-1575-1800-2250
250 500-625-750-875-1000-
1250-1500-1750-2000-2500
Instantaneous pick up current
Variation is within
±
15% of
setting current
4 ~ 14
I
n
125 ~ 250 1000 ~ 3500
–
NF250-SEP
125-250
690
–
15/8
25/13
30/15
50/25
3
4
–
3
–
–
–
–
Electronic trip relay
Adjustable ampere rating
Adjustable long time delay
operating time, short time delay
pick up, and instantaneous
Electronic trip relay
Adjustable ampere rating
Adjustable long time delay
operating time, short time delay
pick up, and instantaneous
Rating: 125 ~
250A
Inst.
: Operating characteristics
must be adjusted as
follows.
STD
q
3 (
I
s setting)
LTD : minimum setting
(T
L
= 12sec setting)
Rating: 125 ~
250A
Inst.
: Operating characteristics
must be adjusted as
follows.
STD
q
3 (
I
s setting)
LTD : minimum setting
(T
L
= 12sec setting)