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NF EN 50243 : 2004

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

OUTDOOR BUSHINGS FOR 24 KV AND 36 KV AND FOR 5 KA AND 8 KA, FOR LIQUID FILLED TRANSFORMERS
Superseded date

16-01-2023

Published date

12-01-2013

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.

Committee
CLC/TC 36A
DevelopmentNote
Indice de classement: C66-557 (01/2005)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Superseded
SupersededBy

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

NF EN 20286-2 : 1993 ISO SYSTEM OF LIMITS AND FITS - PART 2: TABLES OF STANDARD TOLERANCE GRADES AND LIMIT DEVIATIONS FOR HOLES AND SHAFTS
ISO 1101:2017 Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form, orientation, location and run-out
NF ISO 261 : 1999 ISO GENERAL PURPOSE METRIC THREADS - GENERAL PLAN
NF EN ISO 1302 : 2002 GEOMETRICAL PRODUCT SPECIFICATION (GPS) - INDICATION OF SURFACE TEXTURE IN TECHNICAL PRODUCT DOCUMENTATION
IEC 60137:2017 Insulated bushings for alternating voltages above 1000 V
NF EN 60672-3 : 1998 CERAMIC AND GLASS-INSULATING MATERIALS - PART 3: SPECIFICATIONS FOR INDIVIDUAL MATERIALS
HD 329 : 200S1 TESTS ON HOLLOW INSULATORS FOR USE IN ELECTRICAL EQUIPMENT

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