ZN12-12(40.5) Interruptor automático de alto voltaje 12kV 40.5kV CA para interiores

ZN12-12(40.5) is a 12kV/40.5kV indoor AC high voltage vacuum circuit breaker with vacuum arc extinguishing structure. Featuring reliable breaking performance, long service life and low maintenance, it is widely used in power plants, substations and industrial high-voltage distribution systems.

Información complementaria

Detalles del producto:

 

Introducción general:

The ZN12-12(40.5) is a three-phase AC 50Hz indoor high-voltage vacuum circuit breaker, covering two voltage levels: 12kV and 40.5kV.

It adopts advanced vacuum arc-extinguishing technology, which has the advantages of strong breaking capacity, long electrical and mechanical life, and no environmental pollution.

It is mainly used for control and protection of power transmission and distribution equipment in power plants, substations, industrial and mining enterprises, and other places, and is especially suitable for occasions requiring frequent operation.

 

Condiciones de trabajo:

1. Altitud: 1000m;

2. Temperatura ambiente: -25 ~+40 ;

3. Humedad relativa: media diaria 95 , media mensual 90 ;

4. Intensidad del terremoto: 8 grados;

5. Las ocasiones aplicables deben estar libres de inflamables, explosivos, corrosivos y vibraciones severas.

 

Model Interpretation

  • ZN: Vacuum Circuit Breaker
  • 12: Design Serial Number
  • 12(40.5): Rated Voltage: 12kV / 40.5kV
  • Indoor AC HV Vacuum Circuit Breaker: The product is used indoors, suitable for AC high-voltage power systems, and adopts vacuum arc-extinguishing principle.

 

Características:

1. La capacidad de ruptura de la cámara de extinción del arco es alta, la capacidad de transporte de corriente es baja y la vida eléctrica es larga.

2. la disposición es de adelante hacia atrás, estructura simple y compacta, operación completa y fácil mantenimiento.

3. En orden a la estructura e instalación, se pueden dividir en: Tipo fijo horizontal, tipo fijo inclinado, tipo móvil de conjunto intermedio.

 

Especificaciones técnicas:

 

Nombre del parámetro
Specification (12kV)
Specification (40.5kV)
Tensión nominal
12kV
40.5kV
Frecuencia nominal
50Hz
50Hz
Corriente nominal
630A, 1250A, 1600A, 2000A
630A, 1250A, 1600A, 2000A
Rated Short-Circuit Breaking Current
20kA, 25kA, 31.5kA, 40kA
20kA, 25kA, 31.5kA, 40kA
1min Power Frequency Withstand Voltage
42kV
95kV
Lightning Impulse Withstand Voltage (Peak)
75kV
185kV
Operating Mechanism
Spring Energy Storage Type (AC/DC Dual-Use, Manual Optional)
Spring Energy Storage Type (AC/DC Dual-Use, Manual Optional)
Mechanical Life
≥10,000 Times
≥10,000 Times

 

S/N Artículo Unidad Datos
1 Rated

tensión

kV 12
2 Nivel de aislamiento nominal 1 min de potencia

frecuencia

soportar

tensión

42
Rayo

impulso

soportar

tensión

75
3 Frecuencia nominal Hz 50
4 Corriente nominal A 6301250

1600

12501600

2000

2500

3150

12501600

2000

2500

3150

20002500

3150

4000

5 Corriente nominal de corte en cortocircuito kA 20/25 31.5 40 50
6 Corriente de corta duración de 4 s 20/25 31.5 40/3s 50/3s
7 Corriente nominal de cortocircuito (pico) 50/63 80 100 125
8 Corriente nominal de pico soportada (pico) 50/63 80 100 125
9 Tiempos de corte de la corriente nominal de corte en cortocircuito veces 50 30
10 Vida mecánica 10000 6000
11 Hora de cierre ms ≤75
12 Hora de apertura ≤65
13 Distancia entre centros de fase mm 210、230、250、275

Product Advantages

Reliable Breaking Performance: Adopting vacuum arc-extinguishing technology, there is no oil leakage, explosion or other potential safety hazards. The chopping current is low, which can effectively protect the power equipment from overvoltage damage.
Flexible Operation: Equipped with spring energy storage operating mechanism, which supports AC/DC power supply and manual operation. It is fast in action, stable in performance, and suitable for frequent operation scenarios.
Easy Maintenance: The product has a simple structure, few wearing parts, long service life, and no need for frequent maintenance. It can reduce the maintenance cost and improve the operation efficiency of the power system.
Wide Application: It is widely used in power plants, substations, industrial and mining enterprises, high-rise buildings, and other power distribution systems. It can be used for switching on and off the power supply, and protecting transformers, motors, capacitors and other equipment.

Contorno Dimensión

Disyuntor de vacío ZN12

es_ARSpanish

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