... ,T/T 4.Various types,easily mounted 12(40.5)kV Indoor 3 phases Earthing Switch for Switchgears ... 1 Technical Parameters for JN11-12Q, 40.5Q or 40.5GY Earthing SwitchesTechnical Parameters Table Reated Voltage ... and installtion dimensions for JN11-12Q, 40.5Q or 40.5GY can be provided under request. Notes ... shall be provided upon request. 12(40.5)kV Indoor 3 phases Electrical Earthing Switch for ...