DZ49-63
Low Voltage Circuit Breakers
Manual Type
Normal Type Circuit Breaker
Air
Fixed
MCB
2
Circuit Breaker
Circuit-Breaker Failure Protection
ISO9001-2000, CE
ELECAL
Carton
Wenzhou
85362000
Product Description
1.Application
DZ49-63 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 tolighting distribution system in industrial enterprise, commercially district, high-rise building anddwelling house. It conforms with the standards of IEC60898.
2.Main Technical Parameter
| Type | DZ49-63 | ||||
|---|---|---|---|---|---|
| Pole | 1P | 2P, 3P, 4P | |||
| Rated current (A) | 6,10,16,20,25,32,40,50,63 | ||||
| Rated voltage(V) | 230 | 400 | |||
| Ambient temperature | -5C~+40C | ||||
| Type of instantaneous release | C | D | C | D | |
| Rated short circuit breaking capacity(KA) | 1-32A: 6 50-63A: 4 | 4 | 1-32A: 6 50-63A: 4 | 4 | |
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 |
