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DW45 Low voltage intelligent circuit breaker

DW45 Low voltage intelligent circuit breaker

DW45 Low voltage intelligent circuit breaker

Product Description DW45 breaker is a intelligent circuit breaker, suitable for circuits of AC 50Hzwith rated voltage 400V, 690V and rated current from 630A up to 6300A. It is mainly used todistribute electric energy and protect circuit in power supp
Published in2018-09-01
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Detailed 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,
1250, 1600, 2000

2000, 2500, 3200

2000, 2500, 3200,
4000

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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