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Disyuntores de aire — CW1 Series ACB
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Designation

CW1 series intelliqent air circuit breakers (hereinafter called ACB) are applied for the network circuit of AC 50Hz. rated voltage 400V. 690V and rated current between 630A and 6300A. Mainly used for distributing energy and protecting the circuit and power supply device against short-circuit, undervoltage, single-phase ground fault, etc. The ACB has intelligent protection function and the key parts adopt intelligent release. The release can make the accurate selective protection, which can avoid cutting off the power and improve the reliability of power supply.

The products conform with IEC60947-1.IEC60947-2 standards.


Specaition

Type


CW1-2000

CW1-3200

CW1-6300

Pole


3P, 4P

3P, 4P

3P, 4P

Rated current In

A

630, 800, 1000
1250, 1600, 2000

2000, 2500, 3000

4000, 5000, 6300

Rated operation voltage Ue

V

400, 660

400, 660

400, 660

Rated insulation voltage Ui

V

800

800

800

Rated impulse withstanding voltage Uimp

V

8000

8000

8000

Rated operation short circuit
breaking capacity Ics (O-t-CO)

400V

kA

50

80

100

690V

kA

40

50

75

Rated limiting short circuit
breaking capacity Icu (O-t-CO)

400V

kA

80

100

120

690V

kA

50

65

85

Rated short circuit closing
capacity Icm

400V

kA

176

220

264

690V

kA

105

143

187

Rated short time withstanding
current Icw (O-t-CO, AC400V 0.4S)

400V

kA

50

65

85

Operation life

Per hour

times

20

20

10

Electrical

times

1000

500

500

Mechanical

times

10000

5000

5000



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