United Petroleum Services FZE

Circuit Breaker>>Miniature Circuit Breaker>>DZ53-63 Series

 

1.Application

 

DZ53-63 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 beused for infrequent line conversion under the normal condition.The breaker is applicable to light-ing distribution system in industrial enterprise, commercially district, high-rise building and dwell-ing house. It conforms with the standards of IEC60898.

2.Specification

Type
DZ53-63
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
Ambient temperature
-5oC~+40oC
Type of Instantaneous release
B,C,D
Rated short circuit breaking capacity Icn(KA)
10

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
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 tospecified 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