Normas IEC
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IEC
IEC 60317-21:2013
En Vigor
2013-10-10
Specifications for particular types of winding wires - Part 21:
Solderable polyurethane enamelled round copper wire overcoated with
polyamide, class 155
IEC
IEC 63241-2-22:2025
En Vigor
2025-02-25
Electric motor-operated tools - Dust measurement procedure - Part 2-22:
Particular requirements for hand-held cut-off machines and wall chasers
IEC
IEC 61857-21:2009
En Vigor
2009-05-13
Electrical insulation systems - Procedures for thermal evaluation - Part
21: Specific requirements for general-purpose models - Wire-wound applications
IEC
IEC 60076-22-5:2021
En Vigor
2021-01-18
Power transformers - Part 22-5: Power transformer and reactor fittings -
Electric pumps for transformers
