Porcelain Station Post Insulators   Porcelain station post insulators are used in substations and related switching equipment. They can be produced up to 2300mm in a single piece and can operate at voltages up to 1100kV in a stacked configuration. Products are available with voltage class 1-110kV (<245kV in stacked configuration), creepage up to 55mm/kV … Continue reading Station Post Insulators