AFNOR - Página 1150/2476

• Norma Técnica NF EN 61557-16

  Título: Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 16 : equipment for testing the effectiveness of the protective measures of electrical equipment and/or medical electrical equipment
  Entidade: AFNOR
  Assunto: Medição de magnitudes elétricas e magnéticas

• Norma Técnica NF EN 61557-2

  Título: Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2 : insulation resistance
  Entidade: AFNOR
  Assunto: Medição de magnitudes elétricas e magnéticas

• Norma Técnica NF EN 61557-3

  Título: Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 3 : loop impedance
  Entidade: AFNOR
  Assunto: Medição de magnitudes elétricas e magnéticas

• Norma Técnica NF EN 61557-4

  Título: Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 4 : resistance of earth connection and equipotential bonding
  Entidade: AFNOR
  Assunto: Medição de magnitudes elétricas e magnéticas

• Norma Técnica NF EN 61557-5

  Título: Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 5 : resistance to earth
  Entidade: AFNOR
  Assunto: Medição de magnitudes elétricas e magnéticas

• Norma Técnica NF EN 61557-6

  Título: Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 6 : effectiveness of residual current devices (RCD) in TT, TN and IT systems
  Entidade: AFNOR
  Assunto: Medição de magnitudes elétricas e magnéticas

• Norma Técnica NF EN 61557-7

  Título: Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 7 : phase sequence
  Entidade: AFNOR
  Assunto: Medição de magnitudes elétricas e magnéticas

• Norma Técnica NF EN 61557-8

  Título: Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8 : insulation monitoring devices for IT systems
  Entidade: AFNOR
  Assunto: Medição de magnitudes elétricas e magnéticas

• Norma Técnica NF EN 61557-9

  Título: Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9 : equipment for insulation fault location in IT systems
  Entidade: AFNOR
  Assunto: Medição de magnitudes elétricas e magnéticas

• Norma Técnica NF EN 61558-1

  Título: Safety of power transformers, power supplies, reactors and similar products - Part 1 : general requirements and tests
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-1

  Título: Safety of power transformers, power supplies, reactors and similar products - Part 2-1 : particular requirements and tests for separating transformers and power supplies incorporating separating transformers for general applications
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-10

  Título: Safety of transformers, reactors, power supply units and combinations thereof - Part 2-10 : particular requirements and tests for separating transformers with high insulation level and separating transformers with output voltages exceeding 1 000 V
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-12

  Título: Safety of transformers, reactors, power supply units and combinations thereof - Part 2-12 : particular requirements and tests for constant voltage transformers and power supply units for constant voltage
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-13

  Título: Safety of transformers, reactors, power supply units and similar products for voltages up to 1100 V - Part 2-13 : particular requirements and tests for auto transformers and power supply units incorporating auto transformers
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-14

  Título: Safety of transformers, reactors, power supply units and combinations thereof - Part 2-14 : particular requirements and tests for variable transofrmers and power supply units incorporating variable transformers
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-15

  Título: Safety of transformers, reactors, power supply units and combinations thereof - Part 2-15 : particular requirements and tests for isolating transformers for the supply of medical locations
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-16

  Título: Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16 : Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-17

  Título: Safety of power transformers, power supply units and similar - Part 2-17 : particular requirements for transformers for switch mode power supplies
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-19

  Título: Safety of power transformers, power supply units and similar devices - Part 2-19 : particular requirements for perturbation attenuation transformers
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-2

  Título: Safety of power transformers, power supplies, reactors and similar products - Part 2-2 : particular requirements and tests for control transformers and power supplies incorporating control transformers
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-20

  Título: Safety of transformers, reactors, power supply units and combinations thereof - Part 2-20 : particular requirements and tests for small reactors
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-23

  Título: Safety of transformers, reactors, power supply units and combinations thereof - Part 2-23 : particular requirements and tests for transformers and power supply units for construction sites
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-26

  Título: Safety of transformers, reactors, power supply units and combinations thereof - Part 2-26 : particular requirements and tests for transformers and power supply units for saving energy and other purposes
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-3

  Título: Safety of transformers, reactors, power supply units and combinations thereof - Part 2-3 : particular requirements and tests for ignition transformers for gas and oil burners
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

• Norma Técnica NF EN 61558-2-4

  Título: Safety of transformers, reactors, power supply units and similar products for voltages up to 1 100 V - Part 2-4 : particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers
  Entidade: AFNOR
  Assunto: Transformadores. Bobinas

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