Iec 6193612021 Link — Latest & Validated

| Voltage (kV) | Min. phase-to-earth clearance (indoor, standard atmosphere) | |--------------|-------------------------------------------------------------| | 12 | 120 mm | | 24 | 180 mm | | 36 | 250 mm | | 52 | 360 mm | | 145 | 1.0 m (approx.) |

: Updated minimum clearances in air based on modern practices and specific safety requirements for bare conductors in closed areas. Asset-Specific Improvements : Reintroduced missing requirements for Gas-insulated switchgear (GIS) and improved regulations for transformer installations HVAC ventilation Fire & Earthing iec 6193612021 link