Off-load isolating devices providing a visible, rated isolating distance in air-insulated substations and switchyards. Available in single-, double-break and centre-break rotating configurations, with optional motor drives and interlocked earthing switches. Used for busbar sectionalising, feeder isolation and maintenance earthing on lines and transformer bays across MV distribution and HV transmission networks.
Circuit Breakers, Fuses, Current Transformers (CTs) & Voltage Transformers (VTs/PTs)
HV up to 170 kV
IEC 62271-100, IEC 61869-1, IEC 61869-2, IEC 61869-3, IEC 60282-1