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DW45 Low voltage intelligent circuit breaker
Published in2018-09-01
2693 ViewsDetailed description
Product Description
DW45 breaker is a intelligent circuit breaker, suitable for circuits of AC 50Hz with rated voltage 400V, 690V and rated current from 630A up to 6300A. It is mainly used to distribute electric energy and protect circuit in power supply equipment from overload, under-voltage, short circuit and single-phase earth. It has intelligent and selective protection functions, can improve reliability of power supply, and avoid unnecessary power failure. It conforms to IEC60947-2.
Structure
Main technical parameters
| Type |
DW45-3200 |
DW45-4000 |
DW45-6300 |
||
|
Frame rated current Inm(A) |
2000 |
3200 |
4000 |
6300 |
|
|
Number of poles |
3, 4 |
3, 4 |
3, 4 |
3, 4 |
|
|
Rated current In (A) |
630, 800, 1000, |
2000, 2500, 3200 |
2000, 2500, 3200, |
4000, 5000, 6300 |
|
|
Icu(kA) |
400V |
80 |
100 |
100 |
120 |
|
690V |
50 |
65 |
65 |
80 |
|
|
Ics=Icw(kA) |
400V |
50 |
80 |
80 |
100 |
|
690V |
40 |
50 |
50 |
65 |
|
|
Rated current at N-pole In(A) |
50%In, 100%In |
||||
|
Inherent making & breaking time |
23-32ms |
||||
|
Operational performance |
Electric life |
500 |
|||
|
Mechanical life |
Maintenance-free: 2500, maintenance: 10000 |
||||
|
Mounting mode |
Fixed/withdrawable |
||||
|
Arcing distance(mm) |
0 |
||||
|
Intelligent controller |
Standard type(M), Telecommunication type(H) |
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