Complaint
1.Application
DZ53-63 is applicable to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three,four poles for protecting overload and short circuit, and rated current up to 63A. It can also beused for infrequent line conversion under the normal condition.The breaker is applicable to light-ing distribution system in industrial enterprise, commercially district, high-rise building and dwell-ing house. It conforms with the standards of IEC60898.
2.Specification
| Type | DZ53-63 | |
| Pole | 1P | 2P, 3P, 4P |
| Rated current (A) | 1,2,3,4,6,10,16,20,25,32,40,50,63 | |
| Rated voltage(V) | 230 | 400 |
| Ambient temperature | -5oC~+40oC | |
| Type of Instantaneous release | B,C,D | |
| Rated short circuit breaking capacity Icn(KA) | 10 | |
3. Applicable conducting wire
| Rated current(A) | 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 | 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 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 | 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 |
