SN10-10 Interruptor automático de 10 kV para interiores sin aceite

SN10-10 10kV Indoor Less Oil Circuit Breaker is a classic medium voltage oil circuit breaker, adopting transformer oil for arc extinction and insulation. With mature structure, stable performance and economic cost, it is widely used in 10kV indoor switchgear and distribution substations.

Información complementaria

Detalles del producto:

 

Introducción general

SN10-10 series 10kV Indoor Less Oil Circuit Breaker is a traditional type medium voltage oil circuit breaker. It takes transformer oil as the arc quenching and insulating medium, with simple mechanical structure, stable breaking performance and high cost performance.
This circuit breaker is mainly designed for 10kV indoor power distribution systems, suitable for frequent closing and opening operation, as well as overload and short-circuit fault protection for transformers, power lines and electrical equipment. It is widely adopted in old substation renovation, industrial plants, mining enterprises and conventional power grid projects.

 

Condiciones de trabajo

Temperatura ambiente: no superior a +40 °C, no inferior a -15 °C

Altitud: no superar los 1000 m.

Humedad relativa: media diaria no superior a 95%, media mensual no superior a 90%.

Intensidad del terremoto: no más de diez.

Sin riesgo de incendio, explosión, suciedad grave, corrosión química, así como lugares de vibraciones intensas.

 

Key Features

Mature less oil arc extinguishing technology, stable and reliable operation

Simple mechanical structure, easy installation, inspection and maintenance

Multiple rated current and breaking current specifications for selection

Strong overload and short-circuit breaking capability

Suitable for indoor fixed switch cabinet installation

Low failure rate, long service life and competitive price

Especificaciones técnicas

  • Model: SN10-10
  • Rated Voltage: 10kV
  • Rated Frequency: 50Hz
  • Rated Current: 630A, 1000A, 1250A
  • Rated Short-circuit Breaking Current: 16kA, 20kA, 31.5kA
  • Installation: Indoor floor / cabinet mounted
  • Arc Quenching Medium: Transformer Less Oil
  • Operating Mechanism: Electromagnetic type / Spring type
  • Ambient Temperature: -20℃ ~ +40℃
  • Applicable Altitude: ≤1000m
NO Artículo Unidades parámetros
1 Tensión nominal KV 12
2 Frecuencia nominal HZ 50
3 Corriente nominal A 630.

1250

1600

2000

3150

4 Corriente asignada de corte en cortocircuito KA 20 25 31.5
5 Corriente nominal de cierre en cortocircuito (pico) KA 50 63 80
6 Duración asignada del cortocircuito S 4
7 Corriente asignada de corte en cortocircuito Número de corte nos 50s
8 Secuencia de funcionamiento nominal 0-0,3s-CO-180s-CO
9 Tensión nominal soportada por impulso de rayo kv 125
10 1min frecuencia de alimentación tensión soportada KV 65
11 Hora de cierre ms ≤ 70
12 hora de apertura ms ≤ 50
13 Vida mecánica Times 20000
14 Tensión nominal de almacenamiento y funcionamiento V CA CC 220/110
15 Romper la vida ms ≤ 80
16 Vida útil s ≤ 10

Ajuste los parámetros de las propiedades mecánicas:

No Artículo Unidad Parámetros
1 Distancia de contacto mm 14±1
2 Contacto Sobrecarrera mm 3.5±1
3 Velocidad de cierre m/s 1.0±0.2
4 Velocidad de apertura m/s 1.3±0.2
5 Contacto cierre primavera ms ≤2
6 Presión nominal de contacto N 20KA(2400±200) 25KA (2400±200) 31,5KA(3100±200)
7 Asincronía trifásica de cierre y apertura ms ≤2

 

Aplicación

It is commonly used in 10kV indoor substations, distribution rooms, industrial and mining enterprises, power plants and residential power supply systems.

Used for switching, overload protection and short-circuit protection of lines, transformers and other high-voltage equipment.

Our Services

We provide original SN10-10 less oil circuit breakers with complete specifications. Factory direct supply, fast delivery and professional technical support. Custom solution and OEM service are available for global customers.
SN10-10 10kV Indoor Less Oil Circuit Breaker for MV Distribution System

Contorno Dimensión

sn10 10 disyuntor exterior sin aceite sn10 10 disyuntor exterior sin aceite 1

 

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