DZ47-63 mini circuit breaker (MCB) has novel structure, reliable performance, high breaking capacity, pleasing outlook and small size. Its case and items are adopted by high fire- resistant and shockproof plastics.
It mainly used in the building office, house and similar building for illuminating at Ac 50Hz (60Hz), rated voltage below 400V, rated current below 63A, distribution circuit and equipment overload, short circuit protection.
It can also be used for unfrequent switch over of the circuit under normal conditions. This product conforms to the requirement of IEC 60898 & GB10963 standards.
Main Technical Parameter
Type |
DZ47-63 |
|||
Pole |
1P |
2P,3P,4P |
||
Rated current (A) |
6,10,16,20,25,32,40,50,63 |
|||
Rated voltage (V) |
230 |
400 |
||
Ambient temperature |
-5oC~+40oC |
|||
Type of instantaneous release |
C |
D |
C |
D |
Rated short circuit breaking capacity Icn(kA) |
1-32A:6 |
4 |
1-32A:6 |
4 |
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 |
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 immediatelyafter 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 |
Dimension
Type |
DZ49-63 |
|||
Pole |
1P |
2P, 3P, 4P |
||
Rated current (A) |
6,10,16,20,25,32,40,50,63 |
|||
Rated voltage(V) |
230 |
400 |
||
Ambient temperature |
-5˚C~+40˚C |
|||
Type of instantaneous release |
C |
D |
C |
D |
Rated short circuit breaking capacity(KA) |
1-32A: 6 |
4 |
1-32A: 6 |
4 |
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<t<60s |
Release |
Current smoothly rises to specified value within 5s |
|
Cold position |
2.55In |
1s<t<120s |
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 |
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