Post insulators made of cast epoxy and are used in outdoor and indoor conditions in AC installations and equipment. They are designed to operate in temperate climate, i.e. in between 25°C and +40°C and a relative humidity up to 90% in atmospheric air free of such pollutants as: dust, fumes, corrosive vapours and gases.
Post insulators consist of an insulating part and end fittings embedded in an epoxy mass.
Depending on the application and customer requirements, insulators are provided with various end fittings made of non-ferrous metals or stainless steel. They may also be provided with end fittings with other thread diameters in holes indicated by the Customer.
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Insulators are compliant with the following standards: PN-IEC 60273 (requirements) and PN-EN 60660 (U) (tests). |