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This Document Has Been Superseded
A newer publication replaces it: BSI BS EN IEC 60317-70-1, BSI BS EN IEC 60317-70-2
Specifications for particular types of winding wires -- Polyester glass-fibre wound fused, unvarnished or resin or varnish impregnated, bare or enamelled round copper wire, temperature index 155 (IEC 60317-70:2017)
This part of IEC 60317 specifies requirements of polyester glass-fibre wound fused, unvarnished or resin or varnish impregnated, bare or grade 1 or grade 2 enamelled round copper winding wires, temperature index 155.
The impregnating agent can be, for instance, epoxy, polyester, or polyesterimide resin based.
NOTE For this type of wire, the heat shock test is inappropriate and therefore a heat shock temperature cannot be established.
Consequently, a class based on the requirements for temperature index and heat shock temperature cannot be specified.
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