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Início Componentes de alta tensão Chave de aterramento 12kV Indoor High Voltage Switchgear Earthing Switch
12kV Indoor High Voltage Switchgear Earthing Switch
12kV Indoor High Voltage Switchgear Earthing Switch

12kV Indoor High Voltage Switchgear Earthing Switch

Model: 12kV
OEM and ODM Services: Available
Enclosure: PINEELE standard
Brand: PINEELE, a Brand Under ZHENGXI
Form: All- packaged Type
Scope of Application: Suitable for industrial power distribution, voltage stabilization, and transformer protection. Widely used in commercial buildings, manufacturing plants, and utility substations.
Reviewed By: Zheng Ji,Engenheiro elétrico sênior na PINEELE
18+ years of experience in HV switchgear design & testing.
Published On: abril 10, 2025
Last Updated: abril 10, 2025
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Índice
  • Understanding the Core Concept
  • Application Areas
  • Technical Specifications
  • Market Demand and Technology Background
  • Comparative Advantages Over Traditional Earthing Switches
  • Selection Tips and Usage Guidance
  • Perguntas frequentes (FAQ)

The 12kV indoor electric earthing switch is an essential component in medium to high-voltageswitchgear systems. Designed for reliability, safety, and high performance, this switch provides the necessary grounding mechanism in high-voltage electrical cabinets and distribution panels. It plays a crucial role in maintenance operations and fault protection by safely discharging residual electrical energy.

Indoor 12kV high-voltage electric earthing switch installed in switchgear cabinet

Understanding the Core Concept

Anelectric earthing switchis a protective device designed to ground electrical circuits when maintenance or abnormal conditions require it. This specific model, rated at 12kV with a high short-time withstand current capacity of 31.5kA, ensures that high-voltage systems are safely de-energized. The use of electrical actuation enhances automation and operational reliability, making it ideal for modern intelligent substations.

Application Areas

The 12kV earthing switch finds wide application across various sectors, including:

  • Power transmission and distribution stations
  • Urban and rural substations
  • Industrial plants
  • Railway electrification systems
  • Renewable energy switchgear

Its compact indoor design and intelligent actuation make it well-suited for enclosed switchgear compartments where safety and rapid switching are critical.

Application of high-voltage earthing switch in urban power substation system

Technical Specifications

ParameterEspecificação
Rated Voltage12kV
Rated Current3150A
Rated Short-Time Withstand Current31.5kA
Peak Withstand Current80kA
Power Frequency Withstand Voltage (1 min)42kV
Lightning Impulse Withstand Voltage75kV
Control VoltageAC 220V / AC 110V
Electrode Count3 poles
Pole Distance≥125mm
Protection StandardIEC 62271-102
OriginZhejiang, China
Package Dimensions30cm x 20cm x 30cm
Gross Weight5 kg

Market Demand and Technology Background

De acordo comIEEEeIEEMAreports, the global switchgear market is seeing an increasing shift toward automation, fault tolerance, and smart grid readiness. Products such as this 12kV earthing switch align with these trends, offering intelligent operation, high mechanical endurance, and compliance with international standards likeIEC 62271-102.

In addition, evolving energy grids and renewable integrations demand earthing systems that can tolerate higher fault currents and deliver quick operational feedback. The electric actuation function significantly reduces human error and improves time-efficiency during maintenance.

Comparative Advantages Over Traditional Earthing Switches

  • Electric Actuation:Unlike manually operated switches, this unit can be remotely operated, allowing safer and faster response in emergencies.
  • Compact & Lightweight:With only 5kg net weight, it suits enclosed and compact switchgear systems without compromising safety margins.
  • High Fault Tolerance:With 31.5kA withstand capacity, it performs well under severe grid fault conditions.
  • Automation Ready:Supports intelligent switchgear setups in smart substations.

Selection Tips and Usage Guidance

When selecting an indoor high-voltage earthing switch, engineers should consider the following:

  • Rated Voltage Compatibility:Match with your 12kV switchgear environment.
  • Short Circuit Current Profile:Ensure the device can withstand anticipated fault currents.
  • Control Integration:Select the appropriate control voltage (220V or 110V AC) to integrate with existing SCADA or relay systems.
  • Physical Dimensions:Check the available cabinet space for installation compatibility.

Always ensure installation is carried out by qualified personnel in compliance withIECelocal electrical codes.

Perguntas frequentes (FAQ)

Q1: Is this earthing switch suitable for use in smart substations?

A: Yes, it is designed with remote operation capability and supports intelligent switchgear systems, making it ideal for smart grid applications.

Q2: How often does the device require maintenance?

A:Under normal operating conditions, periodic inspection every 12 months is sufficient. This includes checking mechanical movements, insulation status, and control wiring integrity.

Q3: Can the switch handle repetitive operations in high-load environments?

A:Yes. It is rated for high endurance and can sustain frequent operations without loss of reliability, especially in industrial environments.

This12kV electric earthing switchexemplifies a robust, smart-compatible, and safety-oriented solution for high-voltage applications. With excellent current handling capabilities, compliance with global standards, and suitability for automation, it supports the future of digital substations and resilient grid infrastructure.

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É proibida a reprodução do material contido neste documento em qualquer formato ou mídia sem a permissão expressa por escrito da PINEELE Electric Group Co.

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    • Transformador elétrico
      • Transformador do tipo seco
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      • Painel de distribuição isolado a gás
      • Gabinete de compensação de alta tensão
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      • Unidade principal de anel (RMU)
    • Painel de distribuição de baixa tensão
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      • Chave de aterramento
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