NAIJI.
EVN-12 Indoor Vacuum Circuit Breaker
Interruptores de Vacio Interior

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.

Caracteristicas Principales

  • 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

Especificaciones 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

Aplicaciones

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

Cumplimiento de Normas

IEC 62271-100GB 1984
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Respuesta en 12hCertificado ISO / CE / CCCOEM Disponible

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Preguntas Frecuentes

Cual es la tension nominal del EVN-12 Indoor Vacuum Circuit Breaker?
El EVN-12 Indoor Vacuum Circuit Breaker tiene una tension nominal de 12 kV. Consulte la tabla de especificaciones tecnicas para las clasificaciones electricas completas.
Cual es el plazo de entrega para el EVN-12 Indoor Vacuum Circuit Breaker?
El plazo de entrega estandar para el EVN-12 Indoor Vacuum Circuit Breaker es de aproximadamente 30 dias. Cantidades mayores o configuraciones personalizadas pueden requerir tiempo de produccion adicional.
Se puede personalizar el EVN-12 Indoor Vacuum Circuit Breaker para proyectos OEM?
Si, NAIJI Electric ofrece fabricacion OEM y personalizada para el EVN-12 Indoor Vacuum Circuit Breaker. Podemos ajustar especificaciones, marca y configuraciones segun requisitos especificos del proyecto.
Que normas cumple el EVN-12 Indoor Vacuum Circuit Breaker?
El EVN-12 Indoor Vacuum Circuit Breaker esta disenado y probado de acuerdo con IEC 62271-100, GB 1984. Todos los productos se someten a pruebas rigurosas de fabrica antes del envio.

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