China Industrial HV Grounding Switch Manufacturer, Supplier, Factory

For any industrial or substation facility, ensuring personnel safety during maintenance and preventing dangerous electrical faults are non-negotiable priorities. This is where advanced grounding solutions provide the ultimate protection. A robust Indoor High Voltage Earthing Switch (also known as an Indoor HV Grounding Device) is the cornerstone of a safe electrical isolation procedure. Engineered specifically for integration within switchgear assemblies, a reliable High Voltage Switchgear Earthing Switch offers a visible earth point and securely connects de-energized circuits to ground, eliminating the risk of accidental re-energization. When paired with a disconnector for a complete isolation point, an HV Isolator Grounding Switch forms a critical part of the safety interlocking system, safeguarding engineers and technicians working on high-voltage lines and equipment.


The <产品名字> is designed to meet the rigorous demands of modern industrial applications. Its construction prioritizes durability, operational safety, and long-term reliability under continuous electrical and mechanical stress. Key to its performance is the use of high-conductivity, corrosion-resistant materials for main contacts and grounding blades, ensuring a consistent, low-resistance path to earth. The switch mechanism is engineered for smooth, positive operation, often featuring a manual operating handle with clear ON/OFF position indicators. For enhanced safety, models can be equipped with mechanical interlocks to prevent incorrect sequencing with associated circuit breakers or isolators, a fundamental requirement in any safety protocol. The housing, typically constructed from galvanized steel or aluminum, provides robust mechanical strength and protection for internal components.

Technical Specifications & Parameters

The <产品名字> is available in a range of standard and custom configurations to suit various voltage levels and installation requirements.

  • Rated Voltage: 12kV, 17.5kV, 24kV, 36kV
  • Rated Frequency: 50Hz / 60Hz
  • Rated Short-Time Withstand Current (kA): 25kA, 31.5kA, 40kA for 3 seconds
  • Rated Peak Withstand Current (kA): 63kA, 80kA, 100kA
  • Mechanical Endurance: ≥ 2000 operations
  • Operating Mechanism: Manual (standard), Motor-operated (optional)
  • Safety Interlock: Mechanical interlock with circuit breaker/isolator (standard)
  • Insulation Level: Conforms to IEC 62271-102 standards
  • Ambient Temperature: -25°C to +40°C for operation
Model Variant Rated Voltage (kV) Rated Current (A) Short-Time Current (kA/3s) Mounting Type
IGS-12 12 630, 1250 25, 31.5 Fixed, Withdrawable
IGS-24 24 1250, 2000 31.5, 40 Fixed
IGS-36 36 2000, 2500 40 Fixed

For specific project requirements, including different short-circuit ratings, special coatings for harsh environments, or integration with SCADA systems via auxiliary contacts and sensors, our engineering team can provide tailored solutions based on the core <产品名字> platform.

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