DN Series Mini Circuit Breaker
Application
| Type | Mini |
| Poles Number | 1-4P |
| Material | PA66 |
| Mechanical life | no less than 20000 |
| Rated voltage | 240V/415V |
| protective characteristics | 400C |
| Breaking capacity | 4.5KA/6KA |
| Rated Frequency | 50/60Hz |
| Standard | GB10963/IEC60898 |
| Port | NINGBO |
| Lead Time | 10-20 days |
Application
DN breaker is mainly used in AC50/60Hz single pole230V or two,three,four pole 400V voltage for overload and short-circuit protection as well as for unfrequent on-and-off switching electric equipment and lighting circuit under nrmal conditionl the product is suitable for industry,business,building,ressidence,etc. It's conformity with GB10963,IEC60898 standards.
Main technical data
|
Standard |
|
IEC60898,EN898,GB10963 |
|
Number of poles |
|
1P,2P,3P,4P |
|
Rated current(In) |
|
10,16,20,25,32,40,63 |
|
Rated voltage(Un) |
|
AC240/415V |
|
Rated frequency |
|
50/60Hz |
|
Tripping curve |
|
C,D |
|
Release action characteristics |
Time delay |
1.13In>1h Non-trip |
|
1.45In<1h trip |
||
|
2.55In 1s~60S trip |
||
|
Instantaneous(Curve C) |
5In >0.1s Non-trip |
|
|
10In<0.1s trip |
||
|
Magnetic releases operate |
|
B curve:between 3 and 5In |
|
C curve :between 5 and 10In |
||
|
D curve: between 10 and 15In |
||
|
Ratedbreaking capacit(Lcn) |
|
3000A |
|
Endurance |
|
>2500 |
|
Circumstance temperature |
|
-5~+40 |
|
Electrical life |
|
>6000times |
|
Mechanical life |
|
20000 times |
|
Tropical ration |
|
Treatmen 2(RH95%,at 55°C) |
|
Protection degree |
|
IP20 |
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 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 |
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 |
Dimension
