CEN CENELEC - Page 643/1255

• Norma Técnica EN 50533

  Title: Railway applications - Three-phase train line voltage characteristics
  Entity: CEN CENELEC
  Subject: Railway rolling stock in general

• Norma Técnica EN 50536

  Title: Protection against lightning - Thunderstorm warning systems
  Entity: CEN CENELEC
  Subject: Geology. Meteorology. Hydrology

• Norma Técnica EN 50539-11

  Title: Low-voltage surge protective devices - Surge protective devices for specific application including d.c. - Part 11: Requirements and tests for SPDs in photovoltatic applications
  Entity: CEN CENELEC
  Subject: Fuses and other overcurrent protection devices

• Norma Técnica EN 50540

  Title: Conductors for overhead lines - Aluminium conductors steel supported (ACSS) for overhead lines
  Entity: CEN CENELEC
  Subject: Power transmission and distribution lines

• Norma Técnica EN 50541-1

  Title: Three-phase dry-type distribution transformers 50 Hz, from 100 to 3150 kVA, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements
  Entity: CEN CENELEC
  Subject: Transformers. Reactors

• Norma Técnica EN 50541-2

  Title: Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3150 kVA, with highest voltage for equipment not exceeding 36 kV - Part 2: Determination of loadability of a transformer loaded with non-sinusoidal current
  Entity: CEN CENELEC
  Subject: Transformers. Reactors

• Norma Técnica EN 50543

  Title: Electronic portable and transportable apparatus designed to detect and measure carbon dioxide and/or carbon monoxide in indoor ambient air - Requirements and test methods
  Entity: CEN CENELEC
  Subject: Alarm and warning systems

• Norma Técnica EN 50545-1

  Title: Electrical apparatus for the detection and measurement of combustible gases in car parks and tunnels - Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides
  Entity: CEN CENELEC
  Subject: Transport exhaust emissions

• Norma Técnica EN 50546

  Title: Railway applications - Rolling Stock - Three-phase shore (external) supply system for rail vehicles and its connectors
  Entity: CEN CENELEC
  Subject: Plugs, socket-outlets, couplers

• Norma Técnica EN 50547

  Title: Railway applications - Batteries for auxiliary power supply systems
  Entity: CEN CENELEC
  Subject: Galvanic cells and batteries in general

• Norma Técnica EN 50548

  Title: Junction boxes for photovoltaic modules
  Entity: CEN CENELEC
  Subject: Solar energy engineering

• Norma Técnica EN 50549-1

  Title: Requirements for generating plants to be connected in parallel with distribution networks - Part 1: Connection to a LV distribution network - Generating plants up to and including Type B
  Entity: CEN CENELEC
  Subject: Power stations in general

• Norma Técnica EN 50549-10

  Title: Requirements for generating plants to be connected in parallel with distribution networks - Part 10: Tests for conformity assessment of generating units
  Entity: CEN CENELEC
  Subject: Power stations in general

• Norma Técnica EN 50549-2

  Title: Requirements for generating plants to be connected in parallel with distribution networks - Part 2: Connection to a MV distribution network - Generating plants up to and including Type B
  Entity: CEN CENELEC
  Subject: Generators

• Norma Técnica EN 50550

  Title: Power frequency overvoltage protective device for household and similar applications (POP)
  Entity: CEN CENELEC
  Subject: Fuses and other overcurrent protection devices

• Norma Técnica EN 50551-1

  Title: Simplex and duplex cables for use in terminated cable assemblies - Part 1: Blank Detail Specification and minimum requirements
  Entity: CEN CENELEC
  Subject: Fibres and cables

• Norma Técnica EN 50551-2

  Title: Simplex and duplex cables to be used for cords - Part 2: Detailed specification and minimum requirements for a 3,0 mm simplex ruggedised single mode fibre cable to be used for patchcords/cords category U
  Entity: CEN CENELEC
  Subject: Fibres and cables

• Norma Técnica EN 50553

  Title: Railway applications - Requirements for running capability in case of fire on board of rolling stock
  Entity: CEN CENELEC
  Subject: Fire protection

• Norma Técnica EN 50554

  Title: Basic standard for the in-situ assessment of exposure to radio frequency electromagnetic fields in the vicinity of a broadcast site
  Entity: CEN CENELEC
  Subject: Radiation measurements

• Norma Técnica EN 50556

  Title: Road traffic signal systems
  Entity: CEN CENELEC
  Subject: Road equipment and installations

• Norma Técnica EN 50557

  Title: Requirements for automatic reclosing devices for circuit breakers-RCBOs-RCCBs for household and similar users (ARDs)
  Entity: CEN CENELEC
  Subject: Fuses and other overcurrent protection devices

• Norma Técnica EN 50559

  Title: Electric room heating, underfloor heating, characteristics of performance - Definitions, method of testing, sizing and formula symbols
  Entity: CEN CENELEC
  Subject: Electric heaters

• Norma Técnica EN 50561-1

  Title: Power line communication apparatus used in low-voltage installations - Radio disturbance characteristics - Limits and methods of measurement - Part 1: Apparatus for in-home use
  Entity: CEN CENELEC
  Subject: Powerline telecommunications

• Norma Técnica EN 50561-3

  Title: Power line communication apparatus used in low-voltage installations - Radio disturbance characteristics - Limits and methods of measurement - Part 3: Apparatus operating above 30 MHz
  Entity: CEN CENELEC
  Subject: Powerline telecommunications

• Norma Técnica EN 50562

  Title: Railway applications - Fixed installations - Process, protective measures and demonstration of safety for electric traction systems
  Entity: CEN CENELEC
  Subject: Electric traction equipment

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