GN19-12 Series Indoor HV Disconnector

The GN19-12 series indoor high voltage disconnect switch is designed for a rated voltage of 12kV and three-phase AC 50Hz. It is mainly used in indoor power distribution equipment for isolating power sources under no-load conditions.

This disconnect switch is not suitable for installation environments with explosive, corrosive, or conductive gases, or areas with severe vibration that may affect insulation and conductivity.

• Rated Voltage: 12kV

• Rated Current: 400A, 630A, 1000A, 1250A

• Installation Type: Standard & wall-through types (C1, C2, C3)

• Structure: Conductive parts fixed by post insulators, with blade and static contacts

• Operation: Linked with C56-1 (or C57) manual/mechanical operating mechanism

• Contact System: Blade and static contacts with spring pressure for reliable conductivity

• Stability: Enhanced thermal and dynamic stability with magnetic lock plate (for 1000A & 1250A models)

• High mechanical strength with double-blade copper structure

• Low temperature rise due to increased heat dissipation area

• Strong contact pressure ensures reliable electrical performance

• Enhanced dynamic and thermal stability for high current ratings

• Flexible wall-through installation options for different layouts

• Altitude: ≤ 1000m

• Ambient Temperature: -25°C to +40°C

• Relative Humidity: ≤ 95% (daily average), ≤ 90% (monthly average)

• Seismic Intensity: ≤ 8 degrees

• Installation Site: Free of fire, explosive gases, severe pollution, chemical corrosion, and strong vibration

Main Technical Parameters