Description:
NDB2 series circuit breakers provide short circuit protection, overload protection, control, isolation, etc. They are applicable to low-voltage terminal power distribution in such fields as industry, civil construction, energy, communications and infrastructure.
Features:
- Quick closure: ensures reliable operation of impact load and prolongs the service life of circuit breaker
- The product structure provides short-circuit current limitation and improves short-circuit breaking capacity
- Frame wiring structure: Reliable wiring
- Supporting a variety of accessories: Simple and convenient function extension
Application scope and purpose
- Short- circuit protection
- Over-load protection
- Control
- Isolation
- DC system protection
NDB2Z-63 dedicated to the low voltage power distribution system of industrial, buildings, energy communications and infrastructure.
Technology data
| Specifications | NDB2Z-63 |
| Rated operational voltage | /DC500V(2P)) |
| Rated insulation voltage | 1000V |
| Rated impulse withstand voltage | 6kV |
| Rated current | 50A |
| Rated ultimate short-circuit breaking capacity | 10kA |
| Rated running short-circuit breaking capacity | 7.5kA |
| Instantaneous tripping characteristic | C：12In±20% |
| Number of poles | 2P |
| Mechanical life | 20000 |
NDB2-Series-MCB-Datasheet
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