1.General
NPB2-80-High-Breaking Small Circuit Breaker is mainly used for AC 50Hz (or 60Hz), the rated working voltage is 400V, the rated current is 80A, and the rated short circuit breaking capacity is not more than 10000A in the protective distribution lines. It has the functions of overload and short circuit protection, advanced structure, reliable performance, high breaking capacity and beautiful appearance. The product meets GB10963.1 and IEC 60898-1 standards.
2.Specification
| Rated operating voltage (Ue) | AC220V/400V (1P),AC400V (2P,3P,4P) |
| Rated insulation voltage (Ui) | 500V |
| Rated impulse withstand voltage (Uimp) | 4KV |
| Rated current (In) | 1/2/4/610/16/20/25/32/40/50/63/70/80A |
| Rated breaking capacity | 3000A 4500A 6000A 10000A |
| Rated short-circuit capacity (Icn) | Icn = 10kA |
| Service short-circuit capacity (les) | les = 7.5kA |
| Instantaneous tripping type | C,D |
| Reference ambient air temperature | 30°C |
| Grid distance (mm) | 18mm | Degree of protection | IP20 |
| Material group | nia | Pole | 1P 2P 3P 4P |
| Limitation Degree | Class 3 |
| Eviroment Temperature | -10°C + 40°C |
| Over Voltage Categori | III |
| Mechanical Operations | 20.000 |
| Electrical Operations | 10.000 |
3.Overall And Mounting Dimensions(mm)
Yueqing Lovadon Electric Co., Ltd.
