Circuit Breaker>>Air Circuit Breaker>>DW45 Series
DW45 series air circuit breaker(hereinafter referred to as breaker)is suitable for the circuit of AC 50Hz with rated voltage 400V,690V and rated current up to 6300A.It is mainly used to distribute electric energy and protect circuits and power-supply equipment from over-load,under-voltage,short-circuit and single-phase earthing.with intelligentized and selective protection functions,the breaker can improve the reliability of power supply,and avoid unnecessary power failure. The breaker is applicable for power stations,factories,mines(for 690V) and modern high-buildings,especially for the distribution system of intelligentized building.This breaker conforms to IEC60947-2 and GB14048.2.The whole series have past CCC certification and CB certification of SEMKO.
Main teachnical parameter:
DW45-1000
Rated ultimate short circuit breaking capacity(KA) |
lcu=42KA 400V 20KA 690V lcu=lcw=30KA 400V 15KA 690V |
|
Rated current in (A) |
200 400 630 800 1000 | |
Number of poles |
3,4 | |
Rated voltage ue(V) |
400V,690V | |
Rated insulation voltage Ui (A) |
1000V | |
Rated current of N-pole IN(A) |
50%In,100%IN | |
Fixed disconnection time |
23-32Ms | |
Intelligent controller |
sandard type(M) |
|
Communication type(H) |
||
Operation performance |
Electric life |
500 |
mechanical life |
Non-maintenance 2500 | |
| Maintenance 10000 | ||
Connection pattern |
Horizontal,vertical | |
DW45-2000
| Rated ultimate short circuit breaking capacity(KA) | lcu=80KA 400V 50KA 690V lcs=lcw=50KA 690V 40KA 690V |
|
| Rated current in (A) | 400 630 800 1000 1250 1600 2000 | |
| Number of poles | 3,4 | |
| Rated voltage ue(V) | 400V,690V | |
| Rated insulation voltage Ui (A) | 1000V | |
| Rated current of N-pole IN(A) | 50%In,100%IN | |
| Fixed disconnection time | 23-32Ms | |
| Intelligent controller | sandard type(M) | |
| Communication type(H) | ||
| Operation performance | Electric life | 500 |
| mechanical life | Non-maintenance 2500 | |
| Maintenance 10000 | ||
| Connection pattern | Horizontal,vertical | |
DW45-3200 DW45-4000
| Rated ultimate short circuit breaking capacity(KA) | lcu=100KA 400V 80KA 690V lcs=lcw=80KA 400V 40KA 690V |
|
| Rated current in (A) | 2000 2500 3200 4000 | |
| Number of poles | 3, 4 3 | |
| Rated voltage ue(V) | 400V,690V | |
| Rated insulation voltage Ui (A) | 1000V | |
| Rated current of N-pole IN(A) | 50%In,100%IN | |
| Fixed disconnection time | 23-32Ms | |
| Intelligent controller | sandard type(M) | |
| Communication type(H) | ||
| Operation performance | Electric life | 500 |
| mechanical life | Non-maintenance 2500 | |
| Maintenance 10000 | ||
| Connection pattern | Horizontal,vertical | |
DW45-6300
| Rated ultimate short circuit breaking capacity(KA) | lcu=120KA 400V 80KA 690V lcs=lcw=100KA 400V 60KA 690V |
|
| Rated current in (A) | 4000 5000 6300 | |
| Number of poles | 3, 4 3 | |
| Rated voltage ue(V) | 400V,690V | |
| Rated insulation voltage Ui (A) | 1000V | |
| Rated current of N-pole IN(A) | 50%In,100%IN | |
| Fixed disconnection time | 23-32Ms | |
| Intelligent controller | sandard type(M) | |
| Communication type(H) | ||
| Operation performance | Electric life | 500 |
| mechanical life | Non-maintenance 2500 | |
| Maintenance 10000 | ||
| Connection pattern | Horizontal,vertical | |