NAIJI.
EVN-12 Indoor Vacuum Circuit Breaker
Disjuntores a Vacuo Internos

EVN-12 Indoor Vacuum Circuit Breaker

The EVN-12 is the latest generation 12kV indoor vacuum circuit breaker independently developed by NAIJI Electric. Features solid-sealed poles with miniaturized ultra-low resistance vacuum arc chambers cast in epoxy resin. M2-E2-C2 performance level with 30,000-cycle mechanical life.

Principais Caracteristicas

  • 12kV rated voltage, up to 5000A rated current
  • Up to 50kA short-circuit breaking capacity
  • Mechanical life: 30,000 operations
  • M2-E2-C2 performance level (GB & IEC)
  • Solid-sealed poles with ultra-low resistance vacuum chambers
  • Convection ventilation for reduced temperature rise
  • Silver-plated main conductors for lower contact resistance
  • Modular spring mechanism — maintenance-free with self-lubricating bearings
  • Oil buffer with optimized cam curve — reduced rebound

Especificacoes Tecnicas

Rated Voltage12 kV
Rated CurrentUp to 5000 A
Rated Short-Circuit Breaking Current50 kA
Mechanical Life30,000 operations
Performance LevelM2-E2-C2 (GB & IEC)
InsulationEpoxy resin solid-sealed poles
CoolingConvection ventilation
Operating MechanismModular spring mechanism

Aplicacoes

Power grid networksPower generation plantsOil & gas / petrochemical facilitiesRail transit systemsUrban infrastructure projects

Conformidade com Normas

IEC 62271-100GB 1984
Solicitar OrcamentoOrcamento WhatsApp
Resposta em 12hCertificado ISO / CE / CCCOEM Disponivel

Produtos Relacionados

VN3-12E Indoor Vacuum Circuit Breaker (12kV)

VN3-12E Indoor Vacuum Circuit Breaker (12kV)

The VN3-12E is a 12kV indoor vacuum circuit breaker providing reliable control and protection for 10kV power systems. Features ultra-low resistance vacuum arc chambers and a modular spring mechanism designed for minimal maintenance.

VN2-24E Indoor Vacuum Circuit Breaker (24kV)

VN2-24E Indoor Vacuum Circuit Breaker (24kV)

The VN2-24E is a 24kV indoor vacuum circuit breaker providing reliable control and protection for 24kV power networks. Supports operation at altitudes up to 4,500 meters and is compatible with 12kV networks.

VN1-40.5E Indoor Vacuum Circuit Breaker (40.5kV)

VN1-40.5E Indoor Vacuum Circuit Breaker (40.5kV)

The VN1-40.5E is a 40.5kV indoor vacuum circuit breaker for 36kV and 40.5kV power networks. Offers the highest voltage class in the VN series with 20,000 mechanical operations life and up to 3150A rated current.

Perguntas Frequentes

Qual e a tensao nominal do EVN-12 Indoor Vacuum Circuit Breaker?
O EVN-12 Indoor Vacuum Circuit Breaker tem tensao nominal de 12 kV. Consulte a tabela de especificacoes tecnicas para as classificacoes eletricas completas.
Qual e o prazo de entrega para o EVN-12 Indoor Vacuum Circuit Breaker?
O prazo padrao para o EVN-12 Indoor Vacuum Circuit Breaker e de aproximadamente 30 dias. Quantidades maiores podem exigir tempo adicional.
O EVN-12 Indoor Vacuum Circuit Breaker pode ser personalizado para projetos OEM?
Sim, a NAIJI Electric oferece fabricacao OEM e personalizada para o EVN-12 Indoor Vacuum Circuit Breaker.
Quais normas o EVN-12 Indoor Vacuum Circuit Breaker atende?
O EVN-12 Indoor Vacuum Circuit Breaker e projetado e testado conforme IEC 62271-100, GB 1984. Todos os produtos passam por testes rigorosos antes do embarque.

Interessado no EVN-12 Indoor Vacuum Circuit Breaker?

Obtenha precos diretos de fabrica, especificacoes tecnicas e opcoes de configuracao personalizada.

Solicitar OrcamentoWhatsApp