PRODUCT OVERVIEW
DZ48N-63 miniature circuit breaker is applicable to a line of AC 50Hz/60Hz, 230V in singlepole, 400V in double, three, four poles for protecting overload and short circuit, and rated cur-rent up to 63A. It can also be used for infrequent line conversion under the normal condition.Thebreaker is applicable to lighting distribution system in industrial enterprise, commercially district,high-rise building and dwelling house. It conforms with the standards of IEC60898.
TECHNICAL PARAMETER
Main Technical Parameter
|
Type
|
DZ48N-63 |
|
Pole
|
1P
|
2P, 3P, 4P
|
|
Rated current (A)
|
6,10,16,20,25,32,40,50,63
|
|
Rated voltage(V)
|
230
|
400
|
|
Type of instantaneous release
|
C
|
D
|
C
|
D
|
|
Rated short circuit breaking capacity Icn(KA)
|
1-40A: 6
50-63A: 4.5
|
4.5
|
1-40A: 6
50-63A: 4.5
|
4.5
|
|
Life (times)
|
1-32A
|
Electric life
|
4000
|
|
Mechanical life
|
6000
|
|
Operation frequency
|
240 times per hour
|
|
40-63A
|
Electric life
|
4000
|
|
Mechanical life
|
6000
|
|
Operation frequency
|
120 times per hour
|
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
|
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 (In≤32A)
|
Release
|
Current smoothly rises to specified value within 5s
|
|
Cold position
|
2.55In
|
1s32A)
|
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
|