NDB2Z-63 DC Miniature Circuit Breaker 50A

Description

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