PRODUCTS CATEGORIES
CQB30-32 Miniature Circuit Case Breaker
1 Application
·Overload protection
·Short circuit protection
·Positive isolation
The product is same as single pole DZ47 miniature circuit breaker, the difference is the product can cut off phase and neuter wires at same time when current faults happen.
2. Type designation
3 Technical data
| Specifications | |
|
Rated voltage(v) : |
230 V |
|
Rated current(A) : |
6、10、16、20、25、32 |
|
Poles : |
1P+N |
|
Rated breaking capacity(A): |
4500 |
|
Tripping characteristic: |
Table 1 |
|
Mechanical life & Electrical life: |
4000 cycles |
|
Nominal cross section area
S (mm2): |
Table 2 |
|
Tightening torque (N·m): |
1.5 |
|
Pollution Degree: |
2 |
|
Protection class: |
IP20 |
|
Overvoltage category : |
Ⅱ |
Table 1: Tripping characteristic (temperature 30℃)
| Model | Tripping Characteristic | Rated current(A) | Test current (A) | Tripping time (t) | Test result | Initial situation |
|
Delay |
C |
Any value |
1.13In |
t≤1h |
Non-tripping |
Cold |
|
Delay |
C |
Any value |
1.45In |
t＜1h |
tripping |
Heat |
|
Delay |
C |
Any value |
2.55In |
1s＜t＜60s |
tripping |
Cold |
|
Instant |
C |
Any value |
5In |
t≤0.1s |
Non-tripping |
Cold |
|
Instant |
C |
Any value |
10In |
t＜0.1s |
tripping |
Cold |
Table 2： Normal cross section area: ≤6mm²
| Rated current(A) | Nominal cross section area (mm²) |
|
In≤6 |
1 |
|
6＜In≤13 |
1.5 |
|
13＜In≤20 |
2.5 |
|
20＜In≤25 |
4 |
|
25＜In≤32 |
6 |
4 Operating conditions.
4.1 : Ambient temp. range:-5℃~+40 ℃，average temperature in 24 hours not exceed +35℃
4.2 : Altitude:≤ 2000m;
4.3 : At mounting site, relative humidity not exceed 50% at the max temperature of +40 ℃，higher relative humidity is allowable under lower temperature, for example ,RH could be 90% at +20 ℃
4.4 : Mounting type : Din rail embedded(TH35-7.5)
5 Dimensions （unit :mm）
