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GN19-12C/630A Indoor High Voltage Isolator Switch | 12kV 630A Disconnect Switch for Switchgear

The GN19-12C/630A series indoor high-voltage isolating switches are indoor devices with a rated voltage of 12 kV, applicable to three-phase alternating current systems at a frequency of 50 Hz.

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The GN19-12C/630A series is a classic indoor high voltage isolating switch designed for power systems with a rated voltage of 12kV (ideal for 11kV networks) and AC 50/60Hz. Its compact structure and high reliability make it the preferred choice for KYN28 and other types of high-voltage switchgear for circuit isolation under no-load conditions.

GN19-12C/630A series indoor high-voltage isolating switches

Core Technical Parameters

  • Model: GN19-12C / GN19-12

  • Rated Voltage: 12kV (Max)

  • Rated Current: 630A (Available up to 1250A)

  • Peak Withstand Current: 40kA

  • Mechanical Life: 2000 Cycles

  • Standard: IEC 62271-102

GN19-12C/630A series indoor high-voltage isolating switches

Top 4 Advantages

  1. Compact & Space-Saving: Designed specifically for modern switchgear with limited internal space.

  2. Stable Contact Pressure: Features high-strength spring-loaded contacts to ensure low resistance and prevent overheating.

  3. Durable Porcelain Insulators: High creepage distance insulators provide superior dielectric strength, even in humid environments.

  4. Easy Installation: Standardized mounting dimensions for seamless replacement of older GN19 or GN24 units.

GN19-12C/630A series indoor high-voltage isolating switches

Service Environment Conditions

a. The installation site should be free from gases, vapors, chemical deposits, salt spray, dust, dirt and other explosive or corrosive substances that can seriously affect the insulation and conductivity of the isolating switches.
b. The installation site should be free from frequent and intense vibrations.

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