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I.S. EN 50243:2002

Current
Current

The latest, up-to-date edition.

OUTDOOR BUSHINGS FOR 24 KV AND 36 KV AND FOR 5 KA AND 8 KA, FOR LIQUID FILLED TRANSFORMERS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2002

Publisher

National Standards Authority of Ireland

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Requirements
  4.1 Application
  4.2 Standard values of highest voltage for
      equipment (U[m])
  4.3 Standard values of rated current (l[r])
  4.4 Compliance
  4.5 Common dimensions and creepage distances of
      bushings type A and type B
  4.6 Parts list according to bushing type A
  4.7 Parts list according to bushing type B
Annex A (normative) Detail drawings of components
A.1 Insulator (Item N degree 1)
A.2 Conductor tube (Item N degree 2)
A.3 Upper cap (Item N degree 4)
A.4 Lower cap (Item N degree 6)
A.5 Nut (Item N degree 3)
A.6 Sealing ring (Item N degree 5)
A.7 Flat gasket (Item N degree 9)
A.8 Flat gasket (Item N degree 18)
A.9 Clamping ring (Item N degree 16)
A.10 Interlayer (Item N degree 13)
A.11 Compression ring (Item N degree 11)
A.12 Retaining ring (Item N degree 12)
A.13 Flat gasket (Item N degree 10)
A.14 Clamping paw (Item N degree 17)

Applies to ceramic insulated outdoor bushings for highest voltages for equipment of 24 kV and 36 kV, with rated currents of 5 kA and 8 kA and frequencies from 15 Hz up to 60 Hz for insulating liquid filled transformers and gives dimensions to ensure interchangeability and adequate mounting of bushings.

DocumentType
Standard
Pages
19
PublisherName
National Standards Authority of Ireland
Status
Current
SupersededBy

Standards Relationship
UNE-EN 50243:2004 Identical
NEN EN 50243 : 2002 Identical
EN 50243:2002 Identical
DIN EN 50243:2003-01 Identical
NBN EN 50243 : 2002 Identical
NF EN 50243 : 2004 Identical
BS EN 50243:2002 Identical

ISO 1101:2017 Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form, orientation, location and run-out
EN 60672-3:1997 Ceramic and glass-insulating materials - Part 3: Specifications for individual materials
ISO 2768:1973 Permissible machining variations in dimensions without tolerance indication
ISO 1302:2002 Geometrical Product Specifications (GPS) Indication of surface texture in technical product documentation
ISO 286-2:2010 Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts
ISO 261:1998 ISO general purpose metric screw threads General plan
HD 329 : 200S1 TESTS ON HOLLOW INSULATORS FOR USE IN ELECTRICAL EQUIPMENT

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PDF - English
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