Moulded case circuit breaker is suitable for circuit AC 50/60Hz, rated voltage up to AC 660V, rated operating current to 630V.
It has the features like novel structure, reliable performance, complete accessories & high breaking capacity etc, used for power distribution and protecting the circuit and electrical equipment against overload and short circuit. It complies with standard of IEC947-2.DD.
It has the features like novel structure, reliable performance, complete accessories & high breaking capacity etc, used for power distribution and protecting the circuit and electrical equipment against overload and short circuit. It complies with standard of IEC947-2.DD.
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Rated current of release (A)
|
Thermodynamic release (ambient temp +40℃)
|
Operational current of magnetic release (A)
|
|
|
1.05In (cold state) inoperative time(h)
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1.30In (heat state) inoperative time (h)
|
||
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In≤63
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≥1
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<1
|
10-50In±20%
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63<In≤250
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≥2
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<2
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10In±20%
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25<In≤800
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≥2
|
<2
|
5-10In±20%
|
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Type
|
Rated current
(A) |
Rated insulating voltage
|
Pole number
|
Rated operating voltage
|
Untimate short circuit breaking capacity 1cu
KA |
-Service short circuit breaking capacity 1cu
KA |
|||
|
AC380V
(400) |
AC660V
(690) |
DC250V
|
AC380V
(400) |
AC660V
(690) |
|||||
|
125E
|
12.5,16,20,
25,32,40,50, 63,80,100 |
600V
|
Two three four
|
380V
660V |
15
|
-
|
-
|
7.5
|
-
|
|
125S
|
25
|
-
|
20
|
16
|
-
|
||||
|
160S
|
16,20,25,32,
40,50,63,80, 100,125,160 |
35
|
8
|
20
|
18
|
-
|
|||
|
160H
|
50
|
10
|
40
|
25
|
-
|
||||
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250S
|
100,125,160,
180,200,225,250 |
35
|
10
|
40
|
18
|
-
|
|||
|
250M
|
50
|
16
|
40
|
30
|
-
|
||||
|
250H
|
65
|
18
|
40
|
48
|
-
|
||||
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400S
|
200,225,250,
315,350,400 |
35
|
16
|
40
|
18
|
-
|
|||
|
400M
|
50
|
20
|
40
|
30
|
-
|
||||
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400H
|
65
|
25
|
40
|
48
|
-
|
||||
|
630S
|
400,500,630
|
50
|
20
|
40
|
30
|
-
|
|||
|
630M
|
65
|
25
|
40
|
48
|
-
|
||||
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630H
|
80
|
30
|
40
|
60
|
-
|
||||
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800S
|
500,630,700,800
|
50
|
20
|
40
|
30
|
-
|
|||
|
800M
|
65
|
25
|
40
|
48
|
-
|
||||
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800H
|
80
|
30
|
40
|
60
|
-
|
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