PRODUCTS CATEGORIES
CQB47-63 Miniature Circuit Case Breaker
1. Application
·Thermal-magnetic overload protection
·Short circuit protection
·Isolation function
·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/400V(1P)、400V(2P、3P、4P) |
|
Rated current(A) |
6、10、16、20、25、32、40、50、63 |
|
Poles |
1P、2P、3P、4P |
|
Rated breaking capacity(A) |
Table 1 |
|
Tripping characteristic |
Table 2 |
|
Mechanical life |
10000 |
|
Nominal cross section area (mm2) |
Table 3 |
|
Tightening torque (N·m) |
2.5 |
|
Pollution Degree |
2 |
|
Protection class |
IP20 |
|
Overvoltage category |
Ⅱ |
Table 1: Rated breaking capacity
| Tripping Characteristics | Rated current(A) | Rated breaking capacity(A) | Power factor |
|
B、C |
≤40 |
6000 |
0.65-0.70 |
|
B、C |
＞40 |
4500 |
0.75-0.80 |
|
D |
≤63 |
4500 |
0.75-0.80 |
Table 2: Tripping characteristic (temperature 30℃)
| Model | Rated current(A) | Initial situation | Test current | Tripping time | Test result | Remarks |
|
Delay |
≤63 |
Cold |
1.13In |
≤1h |
Non-tripping |
|
|
Delay |
≤63 |
Following No.1 test |
1.45In |
＜1h |
tripping |
Current smoothly rises to specified value in 5s |
|
Delay |
≤32 |
Cold |
2.55In |
1＜t＜60s |
tripping |
|
|
Delay |
＞32 |
Cold |
2.55In |
1＜t＜120s |
tripping |
|
|
Instant |
Any value |
Cold |
3、5、10In |
≤0.1s |
Non-tripping |
B、C、D |
|
Instant |
Any value |
Cold |
5、10、20In |
＜0.1s |
tripping |
B、C、D |
Table 3: Normal cross section area: ≤16mm²
| 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 |
|
32＜In≤50 |
10 |
|
50＜In≤63 |
16 |
Table 4 : Installation sizes （mm）
| Poles | a | b | ||
|
1P |
66±0.64 |
72±0.64 |
||
|
2P-4P |
69±0.64 |
75±0.64 |
||
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）
