PRODUCTS CATEGORIES
CQB47B-100 Miniature Circuit Case Breaker
1 Application
·Thermal-magnetic overload protection
·Short circuit protection
·Isolation function
·High Interruption rating capabilities.
·Single phase and three phase applications(220V/380V)
Suitable for industrial, commercial, high-rise and civil residences circuit protection.
2. Type designation
3 Technical data
| Specifications | |
|
Rated voltage(v) : |
230V(1P)、400V(2~4P) |
|
Rated current(A) : |
63A、80A、100A |
|
Poles : |
1P、2P、3P、4P |
|
Rated breaking capacity(A ) : |
Icu=10000A、Ics=7500A |
|
Rated impulse withstand voltage Uimp(V) |
8000V |
|
Tripping characteristics: |
Table 1 |
|
Mechanical life & Electrical life: |
8500&1500（operation frequency：120/h） |
|
Nominal cross section area
(mm2): |
Table 2 |
|
Pollution Degree : |
2 |
|
Protection class : |
IP20 |
|
Overvoltage category : |
Ⅱ&Ⅲ |
Table 1: Tripping characteristics
| Model | Tripping Characteristic | Test current | Tripping time | Test result | Remarks |
|
a |
1.05In |
Cold
Following No.1 test |
t≤1h(In≤63A）
t≤2h(In≥63A） |
Non-tripping |
|
|
|
|||||
|
b |
1.3In |
Cold |
t＜1h(In≤63A）
t＜2h(In≥63A） |
tripping |
Current smoothly rises to specified value in 5s |
|
c |
2In |
Cold |
0＜t＜300s |
tripping |
|
|
d |
8In |
Cold |
t≤0.2s |
Non-tripping |
Switch on the power supply by closing the auxiliary switch
|
|
e |
12In |
Cold |
t＜0.2s |
tripping |
Note: "cold" means without load before test at the base of the calibration temperature.
Table 2: Normal cross section area: ≤35mm²
| Rated current(A) | Nominal cross section area (mm²) |
|
63 |
16 |
|
80 |
25 |
|
100 |
35 |
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）
