Customization: | Available |
---|---|
Breaking Capacity: | Low Voltage Circuit Breakers |
Operation: | Manual Type |
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Type
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BKN
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Pole
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1P
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2P, 3P, 4P
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Rated current (A)
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1,2,3,4,5,6,10,16,20,25,32,40,50,63
|
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Rated voltage(V)
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230
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400
|
||||
Type of instantaneous release
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B C
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D
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B C
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D
|
||
Rated short circuit breaking capacity Icn(KA)
|
1-40A: 6
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4.5
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1-40A: 6
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4.5
|
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50-63A: 4.5
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50-63A: 4.5
|
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Life (times)
|
1-32A
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Electric life
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no less than 6000 operations
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Mechanical life
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(O-C) no less than 20000 operations
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Operation frequency
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240 times per hour
|
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40-63A
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Electric life
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no less than 6000 operations
|
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Mechanical life
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(O-C) no less than 20000 operations
|
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Operation frequency
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120 times per hour
|
3. Applicable conducting wire
|
|||||
Rated current(A)
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Norminal cross section of wire mm2
|
||||
1-6A
|
1
|
||||
10A
|
1.5
|
||||
16,20A
|
2.5
|
||||
25A
|
4
|
||||
32A
|
6
|
||||
40,50A
|
10
|
||||
63A
|
16
|
4. The over-current protection property
|
|||||
Ambient Temperature
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Initial Status
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Test Current
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Expected Result
|
Expected Result
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Note
|
30±2oC
|
Cold position
|
1.13In
|
t≥1h
|
Non-release
|
-
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Carried out immediatelyafter previous test
|
1.45In
|
t < 1h
|
Release
|
-
|
|
Cold position
|
2.55In
|
1s < t< 60s(In≤32A)
|
Release
|
Current smoothly rises tospecified value within 5s
|
|
Cold position
|
2.55In
|
1s < t < 120s(In>32A)
|
Release
|
||
-5~+40oC
|
Cold position
|
3In
|
t≤0.1s
|
Non-release
|
Type B
|
Cold position
|
5In
|
t < 0.1s
|
Release
|
Type B
|
|
Cold position
|
5In
|
t≤0.1s
|
Non-release
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Type C
|
|
Cold position
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10In
|
t < 0.1s
|
Release
|
Type C
|
|
Cold position
|
10In
|
t≤0.1s
|
Non-release
|
Type D
|
|
Cold position
|
20In
|
t < 0.1s
|
Release
|
Type D
|