Categories

Hot Products

Miniature Circuit Breaker

High Breaking Capacity MCB

1.Application DZ50-63 high switch-off ability miniature circuit breaker is applicable to a line of AC 50Hz/60Hz, rated voltage 230/400V and rated current up to 63A, used for overload and short circuitprotection. It can also be used for infrequent line conversion under the normal......

1.Application 

DZ50-63 high switch-off ability miniature circuit breaker is applicable to a line of AC 50Hz/60Hz, rated voltage 230/400V and rated current up to 63A, used for overload and short circuitprotection. It can also be used for infrequent line conversion under the normal condition.Thebreaker is applicable to industrial enterprise, commercially district, high-rise building and dwell-ing house. It conforms with the standards of IEC60898.

2.Main Technical Parameter

Type

DZ50-63

Pole

1P

2P, 3P, 4P

Rated current (A)

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

Rated voltage(V)

230

400

Type of instantaneous release

B,C,D

Rated short circuit breaking capacity Icn(KA)

10

Life (times)

1-32A

Electric life

8000

Mechanical life

20000

Operation frequency

240 times per hour

40-63A

Electric life

8000

Mechanical life

20000

Operation frequency

120 times per hour


3.Applicable conducting wire

Rated current(A)

Nominal 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

t≥1h

Non-release

-

Carried out immediately after previous test

1.45In

t<1h

Release

-

Cold position

2.55In

1s<t<60s
     (In≤32A)

Release

Current smoothly rises to specified value within 5s

Cold position

2.55In

1s<t<120s
     (In>32A)

Release

-5~+40oC

Cold position

3In

t≥0.1s

Non-release

Type B

Cold position

5In

t<0.1s

Release

Type B

Cold position

5In

t≥0.1s

Non-release

Type C

Cold position

10In

t<0.1s

Release

Type C

Cold position

10In

t≥0.1s

Non-release

Type D

Cold position

20In

t<0.1s

Release

Type D

Hot Tags: high breaking capacity MCB, China, suppliers, factory, price
  • QR CODE
  • facebook