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  • UNE-EN 50387:2003

    Current The latest, up-to-date edition.

    Busbar bushings up to 1 kV and from 1,25 kA to 5 kA, for liquid filled transformers.

    Available format(s):  Hardcopy, PDF

    Language(s):  Spanish, Castilian, English

    Published date:  25-07-2003

    Publisher:  Asociacion Espanola de Normalizacion

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    Table of Contents - (Show below) - (Hide below)

    Introduction
    1 Scope
    2 Definitions
    3 Requirements
      3.1 Application
      3.2 Standard value of rated voltage (U[r])
      3.3 Standard values of rated current (I[r])
      3.4 Minimum nominal creepage distance
      3.5 Dielectric characteristics
      3.6 Dimensions
    Figure 1 - Moulded indoor busbar bushing
    Table 1 - Standard dimensions

    Abstract - (Show below) - (Hide below)

    Applies to moulded indoor busbar bushings for rated voltages up to 1000 V, rated currents from 1250 A up to 5000 A and frequencies from 15 Hz up to 60 Hz for insulating liquid filled transformers.

    General Product Information - (Show below) - (Hide below)

    Committee CTN 207/SC 36
    Development Note Supersedes UNE 21607. (10/2003)
    Document Type Standard
    Publisher Asociacion Espanola de Normalizacion
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    UNE 21428-1-3:2017 Three-phase oil-immersed distribution transformers 50 Hz, from 25 kVA to 3150 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. Section 3: Requirements for dual-voltage transformers in high-voltage and for dual-voltage transformers in low-voltage
    UNE 21428-1-2:2017 Three-phase oil-immersed distribution transformers 50 Hz, from 25 kVA to 3150 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. Section 2: Requirements for dual-voltage transformers in low-voltage
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