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 , Mini Circuit Breaker >> DZ49N SERIES

DZ49N-63 Series Miniature Circuit Breaker
1. Application
DZ49N-63 is applicable to a line of AC 50Hz/60Hz, 230V in single pole, 400V in double, three, four poles for protecting overload and short circuit, and rated current up to 63A. It can also be used for infrequent line conversion under the normal condition.The breaker is applicable to lighting distribution system in industrial enterprise, commercially district, high-rise building and dwelling house. It conforms with the standards of IEC60898.
2. Main Technical Parameter

Type

DZ49N-63

Pole

1P

2P,3P,4P

Rated current (A)

1,2,3,4,5,6,10,16,20,25,32,40,50,63

Rated voltage (V)

230

400

Ambient temperature

-5oC~+40oC

Type of instantaneous release

B       C

D

B      C

D

Rated short circuit breaking capacity Icn(kA)

1-32A:6

4.5

1-32A:6

4.5

50-63A:4.5

50-63A:4.5

3. Applicable conducting wire

Rated current(A)

Norminal cross section of wire mm2

1-6A

1

10A

1.5

16,20A

2.5

25A

4

32A

6

40,50A

10

63A

16

4. The over-current protection property

Ambient Temperature

Initial Status

Test Current

Expected Result

Expected Result

Note

30\2oC

Cold position

1.13In

t1h

Non-release

-

Carried out immediatelyafter previous test

1.45In

t < 1h

Release

-

Cold position

2.55In

1s < t< 60s(In32A)

Release

Current smoothly rises tospecified #118alue within 5s

Cold position

2.55In

1s < t < 120s(In>32A)

Release

-5~+40oC

Cold position

3In

t0.1s

Non-release

Type B

Cold position

5In

t < 0.1s

Release

Type B

Cold position

5In

t0.1s

Non-release

Type C

Cold position

10In

t < 0.1s

Release

Type C

Cold position

10In

t0.1s

Non-release

Type D

Cold position

20In

t < 0.1s

Release

Type D

5. Dimension

 

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