NF C52-176-22-8*NF EN IEC 60076-22-8:2021 Power transformers - Part 22-8 : power transformer and reactor fittings - Devices suitable for use in communication networks
2021NF C52-176-22-8*NF EN IEC 60076-22-8:2021 Power transformers - Part 22-8 : power transformer and reactor fittings - Devices suitable for use in communication networks