Air Circuit Breaker( ACB) MT-6300 drawable type universal Circuit Breaker

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DW45 Air Circuit Breaker (ACB):

DW45 series air circuit breaker(hereinafter referred to as breaker)is suitable for the circuit of AC 50Hz with rated voltage 400u0003V,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

DW45-1000 Main teachnical parameter:

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 Main teachnical parameter:

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 poles3,4

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 time23-32Ms

Intelligent controllersandard type(M)

Communication type(H)

Operation performanceElectric life500

mechanical lifeNon-maintenance 2500

Maintenance 10000

Connection patternHorizontal,vertical

DW45-3200 OW45-4000 Main teachnical parameter:

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 poles3, 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 time23-32Ms

Intelligent controllersandard type(M)

Communication type(H)

Operation performanceElectric life500

mechanical lifeNon-maintenance 2500

Maintenance 10000

Connection patternHorizontal,vertical

DW45-6300 Main teachnical parameter:

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 poles3, 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 time23-32Ms

Intelligent controllersandard type(M)

Communication type(H)

Operation performanceElectric life500

mechanical lifeNon-maintenance 2500

Maintenance 10000

Connection patternHorizontal,vertical

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