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NF C52-558-2-20 ; NF EN 61558-2-20:2011-05-01
Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20 : particular requirements and tests for small reactors
Edition
2011-05-01
NF C66-554-1 ; NF EN 50180-1:2015-12-11
Bushings above 1 kV up to 52 kV and from 250 A to 3,15 kA for liquid filled transformers - Part 1: general requirements for bushings
Edition
2015-12-11
NF C66-554-3 ; NF EN 50180-3:2015-12-11
Bushings above 1 kV up to 52 kV and from 250 A to 3,15 kA for liquid filled transformers - Part 3: requirements for bushings fixations
Edition
2015-12-11
NF C66-554-2 ; NF EN 50180-2:2015-12-11
Bushings above 1 kV up to 52 kV and from 250 A to 3,15 kA for liquid filled transformers - Part 2: requirements for bushings components
Edition
2015-12-11
NF C61-743-351 ; NF EN 61643-351:2017-04-08
Components for low-voltage surge protective devices - Part 351: performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
Edition
2017-04-08
NF C61-743-352 ; NF EN IEC 61643-352:2018-03-23
Components for low-voltage surge protection - Part 352: selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)
Edition
2018-03-23
Verpackung 1
Packstoffe
Edition
2024-06
Untersuchung von Abfall, Boden und Wasser
Begriffe
Edition
2016-01
VOB 2019 in English
German Construction Contract Procedures: Parts A, B and C - Translations of all VOB 2019 standards
Edition
2020-03
PR NF C64-471-211 ; PR NF EN IEC 62271-211
High-voltage switchgear and controlgear - Part 211: direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages of 52 kV
