High Voltage Earthing Switch Manufacturer | Indoor Grounding Switch for Switchgear

Professional indoor earthing switch for 12kV 24kV and 40.5kV switchgear. Features robust mechanical interlocking and high short circuit making capacity.

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Reliable High Voltage Earthing Switch for MV Switchgear Panels

Safety First Indoor Grounding Switch Solutions for OEM Panel Builders and Manufacturers

Product Description

Model No.: (EK6) JN15A-12/31.5

EK6‑12/31.5 Series indoor earthing switch is an upgraded design developed on the basis of the ES1 type. It is applicable to 3–12 kV three‑phase AC 50(60) Hz power systems. Serving as earthing protection equipment, it can be installed in various medium‑voltage switchgear assemblies. The product complies with GB 1985‑2004 and IEC 129 standards. Our high voltage earthing switches are essential safety components designed for medium voltage metal clad switchgear. Engineered for rapid closing and superior short circuit making capacity, these switches ensure the safety of maintenance personnel.

Key Performance Features

Advanced Interlocking: Seamlessly integrates with the VCB and cabinet door.

Short Circuit Capacity: Designed to withstand high thermal and dynamic stresses.

Durable Construction: High strength galvanized steel frame and silver plated copper contacts.

Working condition
  • Ambient temperature: -10℃ -+40℃
  • Altitude: ≤ 1000m;
  • Relative humidity: Daily average ≤95%, Monthly average ≤ 90%;
  • Earthquake intensity: ≤8 degree;
  • Dirtiness degree: II.
Parámetros técnicos
No.ArtículoUnidadDatos
1Tensión nominalKV12
2Rated short time withstand currentKA31.5
3Rated short circuit withstand timeS4
4Rated short circuit making currentKA80
5Corriente nominal de pico soportadaKA80
6Nivel de aislamiento nominal1 min frecuencia de potencia tensión soportadaKV42
Lightning Impulse withstand voltage75
7Vida mecánicaTimes2000

Dibujo

 

high voltage earthing switch manufacturer | indoor grounding switch for switchgear

SpecificationEFGHDC
EK6-12/31.5-16516575160565426
EK6-12/31.5-18018075160595456
EK6-12/31.5-20020075160635496
EK6-12/31.5-21021075160655516
EK6-12/31.5 2302307516069555696
EK6-12/31.5-2502507516073559696
EK6-12/31.5-2752757518581064696

Asistencia técnica y preguntas frecuentes

Our products are designed and manufactured in strict compliance with major international standards, including IEC 62271-100, IEC 62271-200 and IEEE C37.04 standards. All products are inspected by our Quality Control department.

Estamos especializados en la gama de media tensión. Nuestros disyuntores de vacío y componentes de aparamenta son adecuados para tensiones nominales de 7,2kV a 40,5kV. La corriente nominal normal cubre hasta 4000 A, y la capacidad de corte en cortocircuito puede diseñarse hasta 40 kA o más para satisfacer las demandas de diversas aplicaciones, desde la distribución simple hasta el uso industrial pesado.

 Yes, customization is one of our core strengths. We understand that compatibility with existing equipment is critical. We offer OEM and ODM services and can customize components (like brackets, linkages, shutters) and modify breakers to be compatible with major switchgear brands such as Siemens, ABB, Schneider, GE, and others. Please provide your technical drawings or specifications for a precise solution.

Our quality assurance is embedded in every step of the process:

Material Sourcing: We use premium-grade raw materials and components from certified suppliers.

Manufacturing: Advanced CNC machinery and automated production lines ensure precision and consistency.

Testing: 100% routine tests (e.g., contact resistance, mechanical operation, HV withstand) are performed on every unit. We also conduct destructive and non-destructive tests on samples.

For standard products, our lead time is typically 1-4 weeks. For large or customized orders, the lead time will be confirmed based on the project's complexity and quantity.

Certainly. We provide comprehensive pre-sales and after-sales technical support. Our team of engineers can assist with product selection, technical drawings. We also offer detailed documentation, including manuals and drawings. In the rare event of an issue, we provide remote troubleshooting and have a efficient warranty claim process.

Our vacuum circuit breakers are engineered for superior performance and reliability, offering these key benefits:

High Breaking Capacity: Advanced vacuum interrupter technology ensures reliable interruption of high short-circuit currents.

Long Electrical and Mechanical Life: Designed for thousands of operations with minimal maintenance, significantly reducing life cycle costs.

Maintenance-Free Operation: The sealed vacuum interrupters eliminate the need for regular maintenance of the quenching medium, unlike oil or SF6 breakers.

Safety and Environmental Friendliness: They operate silently, are fire-safe, and contain no greenhouse gases (SF6), making them an eco-friendly choice.

Compact Design: Allows for space-saving switchgear designs, which is ideal for retrofitting or modernizing existing substations.

Our products are designed for global deployment. Please specify your environmental conditions for the most suitable product recommendation.

We stand behind our products with a standard 12-month warranty from the date of shipment, covering any defects in materials or workmanship under normal use and service conditions. Our warranty terms are clearly stated in our commercial contract.

 You can request a quote easily by clicking the Contacte con nosotros or  Request a Quote button. To provide you with the most accurate and competitive quotation, please have the following information ready:

Product name and model number (if known)

Technical specifications (such as Rated Voltage, Current, Short-circuit breaking current, etc.)

Quantity required

Any special requirements (customization, etc.)

Por qué elegirnos

soporte técnico

Asistencia técnica

Desde el asesoramiento preventa hasta el servicio posventa, ofrecemos asistencia técnica integral para maximizar el éxito de su proyecto. Nuestros expertos le ayudan en la selección de productos, la integración de sistemas, la resolución de problemas y el mantenimiento, con el respaldo de un seguimiento continuo de los proyectos para que sus operaciones sigan siendo fluidas y eficientes.

soluciones personalizadas

Soluciones a medida

Estamos especializados en soluciones a medida para aparamenta y componentes, diseñadas para adaptarse a sus requisitos específicos. Nuestro equipo colabora estrechamente con usted para desarrollar productos optimizados en cuanto a rendimiento, eficiencia y fiabilidad, garantizando que destaquen en su aplicación específica.

control de calidad

Control de calidad

La calidad está presente en todas las fases. Probamos rigurosamente todos los materiales antes de la producción y supervisamos los procesos de fabricación para garantizar la estabilidad del producto. Antes de su envío, cada unidad se somete a exhaustivas pruebas de rendimiento eléctrico, mecánico y de seguridad para cumplir las normas del sector.

respuesta rápida (2) comprimido

Respuesta rápida

Nuestro experimentado equipo de servicio ofrece asistencia 24 horas al día, 7 días a la semana durante todo el año. Gracias a procesos racionalizados y a un personal especializado, entregamos 90% de presupuestos en 24 horas.

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