| Customization: | Available |
|---|---|
| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Manual Type |
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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 | |||||
|---|---|---|---|---|---|---|
| Pole | 1P | 2P, 3P, 4P | ||||
| Rated current (A) | 6,10,16,20,25,32,40,50,63 | |||||
| Rated voltage(V) | 230 | 400 | ||||
| Type of instantaneous release | C | D | C | D | ||
| 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 | ||
| Life (times) | 1-32A | Electric life | 4000 | |||
| Mechanical life | 6000 | |||||
| Operation frequency | 240 times per hour | |||||
| 40-63A | Electric life | 4000 | ||||
| Mechanical life | 6000 | |||||
| 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 |
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