Circuit Breaker>>Miniature Circuit Breaker>>DZ48N-63 Series
1.Application
DZ48N-63 miniature circuit breaker is applicable to a line of AC 50Hz/60Hz, 230V in singlepole, 400V in double, three, four poles for protecting overload and short circuit, and rated cur-rent up to 63A. It can also be used for infrequent line conversion under the normal condition.Thebreaker is applicable to lighting distribution system in industrial enterprise, commercially district,high-rise building and dwelling house. It conforms with the standards of IEC60898.
2.Main Technical Parameter
Type |
DZ48N-63 |
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Pole |
1P |
2P, 3P, 4P |
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Rated current (A) |
6,10,16,20,25,32,40,50,63 |
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Rated voltage(V) |
230 |
400 |
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Type of instantaneous release |
C |
D |
C |
D |
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Rated short circuit breaking capacity Icn(KA) |
1-40A: 6 50-63A: 4.5 |
4.5 |
1-40A: 6 50-63A: 4.5 |
4.5 |
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Life (times) |
1-32A |
Electric life |
4000 |
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Mechanical life |
6000 |
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Operation frequency |
240 times per hour |
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40-63A |
Electric life |
4000 |
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Mechanical life |
6000 |
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Operation frequency |
120 times per hour |
3.Applicable conducting wire
Rated current(A) |
Nominal 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 |
Initial Status |
Test Current |
Expected Result |
Expected Result |
Note |
---|---|---|---|---|---|
30±2oC
| Cold position |
1.13In |
t≥1h |
Non-release |
- |
Carried out immediately after previous test |
1.45In |
t<1h |
Release |
- |
|
Cold position |
2.55In |
1s<t<60s (In≤32A) |
Release |
Current smoothly rises to specified 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 |
Type C |
|
Cold position |
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 |