CQB2HL-63 10kA Residual Current Operated Circuit Breaker with Over-current Protection (Electronic)
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Suitable for industrial, commercial, high-rise and civil residences circuit protection. -Overload& short circuit protection -Tripping curves B,C ,D -Protect people against indirect contacts and additional protection against direct contacts. -Protect installations against fire hazard due to insulation faults. -Conforms to IEC 61009-1
1 Application
Suitable for industrial, commercial, high-rise and civil residences circuit protection.
-Overload& short circuit protection
-Tripping curves B,C ,D
-Protect people against indirect contacts and additional protection against direct contacts.
-Protect installations against fire hazard due to insulation faults.
-Conforms to IEC 61009-1
2 Type designation
3 Technical data
| Specifications | |
Rated voltage (V) | 230V~(1P+N、2P)、400V~（3P/3P+N/4P） |
Rated current (A) | 6、10、16、20、25、32、40、50、63 |
Rated tripping current I△n(mA) | 30、50、75、100、300 |
Poles | 1P+N、2P、3P、3P+N、4P |
Rated breaking capacity lcn(A) | 10000 |
Mechanical &Electrical life | Mechanical≥20000,Electrical≥6000 |
Tightening torque（N.m） | 3.5 |
Pollution degree | 2 |
Protection class | IP20 |
Overvoltage category | Ⅱ、Ⅲ |
Tripping characteristics | 2 |
Table 2 Tripping characteristics（Reference temp. 30℃）
| Item | Type | Rated current ln(A) | Initial status | Time limit for tripping or non-tripping | Expected result | Remarks |
| a | B、C、D | 1.13ln | Cold | t≤1h | Non-tripping | Current smoothly rises to specified value within 5s |
| b | B、C、D | 1.45ln | Following previous test | t＜1h | tripping | |
| c | B、C、D | 2.55ln | Cold | 1s＜t＜60s(ln≤32A) 1s＜t＜120s(ln＞32A) | tripping | |
| d | B | 3ln | Cold | t≤0.1s | Non-tripping | Switch on the power supply by closing the auxiliary switch |
| C | 5ln | |||||
| D | 10ln | |||||
| e | B | 5ln | Cold | t＜0.1s | tripping | Switch on the power supply by closing the auxiliary switch |
| C | 10ln | |||||
| D | 20ln |
4 Nominal operation conditions
1: Ambient temp. range:-5℃~+40 ℃，average temperature in 24 hours not exceed +35℃
2: Altitude:≤ 2000m;
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: Mounting type : Din rail embedded(TH35-7.5)
5: Installation conditions
Any direction of the outer magnetic field of the installation site should not exceed 5 times than earth's magnetic field; residual current operated circuit breaker should be mounted vertically, the installation place should be no significant impact and vibration.
5 Dimensions（unit :mm）
6 Tripping curve
7 Conductor requirements and cross-sectional area
| Copper cross-section(mm2) | Rated current In(A) |
| 1 | In≤6 |
| 1.5 | 6＜In≤13 |
| 2.5 | 13＜In≤20 |
| 4 | 20＜In≤25 |
| 6 | 25＜In≤32 |
| 10 | 32＜In≤50 |
| 16 | 50＜In≤63 |
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