CQBD-63 Small DC circuit breaker
Product description
- Innovative design, layered structural design, simpler installation, and the ability to achieve
- Integrated functionality of mechanical components, simplified parts, fewer size chains,
- Contact position indicator window, with clear working status at a glance;
- Rail type installation, with a large travel of the installation buckle, the product can be quickly
- Meet the energy level 3 requirements of the EU EN standard to enhance the safety of electrical
- Complete accessory configuration;
- The breaking capacity is optional at 4.5kA/6kA/10kA;
- DC polarity free, with a maximum voltage of DC1200V;
- Built in short-circuit wiring.
Product description
| Project | Parameter |
| Rated Shell Current | 63A |
| Meet The Standard | GB/T 14048.2,IEC 60947-2 |
| Rated Insulation Voltage Ui | 1200V |
| Rated Impulse Withstand Voltage Uimp | 6kV |
| Rated Current | 1A,2A,3A,4A,6A,10A,16A,20A,25A,32A,40A,50A,63A |
| Rated Voltage | DC300V(1P),600V(2P),900V(3P),1200V(4P) |
| Release Curve | B(4In-7In),C:8In±20%,D:12In±20% |
| Polar Number | 1P,2P,3P,4P |
| Unipolar Width | 18mm |
| Ultimate Short-circuit Breaking Capacity Icu | 10kA |
| Operating Short-circuit Breaking Capacity Ics | 7.5kA |
| Reference Temperature | 30℃ |
| Usage Category | A |
| Mechanical Life | 20000 times |
| Electrical Life | More than 1500 times |
| Protection Level | IP20 |
| Wiring Capacity (mm2) | 16 |
| Wiring Method | Both up and down incoming lines are acceptable |
Product release characteristics
| Rated current (A) | Overload tripping characteristic | Instantaneous release characteristic (A) | |
| 1.05ln agreed non trip time H (cold state) | 1.30ln agreed release time H (hot state) | ||
| ln ≤ 63 | 1 | 1 | B(4ln-7ln) C:8ln±20%,D:12ln±20% |
Model meaning
Time-current characteristics
Product appearance and installation dimensions
