共找到 75 条与 相关的标准,共 5 页
Настоящий стандарт устанавливает требования к заземляющим устройствам и защитным проводникам электроустановок. Область применения стан
Electrical installations of buildings. Part 5. Selection and erection of electrical equipment. Chapter 54. Earthing arrangements and protective conductors
Electrical installations of buildings - Part 4: Protection for safety - Chapter 44: Protection against overvoltages - Section 443: Protection against overvoltages of atmospheric origin or due to switching
Electrical installations of buildings. Part 4. Protection for safety. Measures of protection against overcurrent
Electrical installations of buildings. Part 4. Protection for safety. Protection against undervoltage
Настоящий стандарт устанавливает требования по выполнению защиты проводников от сверхтока с целью обеспечения безопасности при эксплуа
Electrical installations of buildings. Part 4. Protection for safety. Protection against overcurrent
The document applies to the design and execution of constructions of buildings and which serve for the earthing of the electrical installations of these buildings.
Foundation earth electrode
Настоящий стандарт устанавливает требования по применению мер защиты от сверхтоков при эксплуатации электроустановок зданий. Область пр
Electrical installations of buildings. Part 4. Protection for safety. Measures of protection against overcurrent
Настоящий стандарт устанавливает общие требования по выполнению защиты от понижения напряжения с целью обеспечения безопасности при экс
Electrical installations of buildings. Part 4. Protection for safety. Protection against undervoltage
Настоящий стандарт устанавливает требования по выполнению защиты проводников от сверхтока с целью обеспечения безопасности при эксплуа
Electrical installations of buildings. Part 4. Protection for safety. Protection against overcurrent
Specifies the requirements and tests for equipment up to 100 A rating on single phase, or one phase of a three phase low-voltage public electricity supply system up to 440 V a.c at 50 Hz with the neutral effectively earthed. To be read in conjunction with BS EN 60947-1
Specification for fuses (cut-outs), ancillary terminal blocks and interconnecting units up to 100 A rating, for power supplies to buildings
Electrical installations of buildings; part 4: protection for safety; chapter 44: protection against overvoltages; section 442: protection of low-voltage installations against faults between high-voltage systems and earth
Electrical installations of buildings. Part 4 : Protection for safety. Chapter 45 : Protection against undervoltage
Electrical installations of buildings. Part 5 : Selection and erection of electrical equipment. Chapter 54 : Earthing arrangements and protective conductors
Electrical installations of buildings. Part 4 : Protection for safety. Chapter 43 : Protection against overcurrent
Electrical installations of buildings. Part 4 : Protection for safety. Chapter 47: Application of protective measures for safety. Section 473 - Measures of protection against overcurrent
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