EN 50719:2024

Connecting terminal flags for bushings from 250 A to 4 000 A for insulating liquid filled transformers

This document is applicable to vertical connecting terminal flags for insulated bushings with rated currents from 250 A to 4 000 A and frequencies from 15 Hz to 60 Hz for liquid immersed equipment.

Anschlussfahnen für Durchführungen von 250 A bis 4 000 A für flüssigkeitsgefüllte Transformatoren

Cosses à drapeau pour traversées de 250 A à 4 000 A pour les transformateurs à remplissage de liquide isolant

Le présent document s'applique aux cosses à drapeau vertical des traversées isolées pour des courants assignés compris entre 250 A et 4 000 A et des fréquences comprises entre 15 Hz et 60 Hz utilisées avec des équipements immergés dans un liquide.

Povezovalni ploščati priključki za skoznjike od 250 A do 4000 A za transformatorje, polnjene z izolacijsko tekočino

Ta standard se uporablja za navpične povezovalne ploščate priključke za izolirane skoznjike z nazivnim tokom od 250 A do 4000 A in frekvenco od 15 Hz do 60 Hz za opremo, potopljeno v tekočino.

General Information

• Status: Published
• Publication Date: 14-Mar-2024
• ICS: 29.180 - Transformers. Reactors
• Technical Committee: CLC/TC 36A - Insulated bushings
• Drafting Committee: CLC/TC 36A - Insulated bushings
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 15-Mar-2024
• Due Date: 29-Jul-2021
• Completion Date: 15-Mar-2024
• Ref Project: SIST EN 50719:2024 - Connecting terminal flags for bushings from 250A to 4 000 A for insulating liquid filled transformers

Relations

• Amends: EN 50386:2010 - Bushings up to 1 kV and from 250 A to 5 kA, for liquid filled transformers
• Effective Date: 25-Sep-2018
• Revised: EN 50386:2010/A1:2013 - Bushings up to 1 kV and from 250 A to 5 kA, for liquid filled transformers
• Effective Date: 25-Sep-2018

Standards Content (Sample)

SLOVENSKI STANDARD
01-julij-2024
Povezovalni ploščati priključki za skoznjike od 250 A do 4000 A za transformatorje,
polnjene z izolacijsko tekočino
Connecting terminal flags for bushings from 250A to 4 000 A for insulating liquid filled
transformers
Durchführungen bis 1 kV und von 250 A bis 5 kA für flüssigkeitsgefüllte Transformatoren
Cosses à drapeau pour traversées de 250 A à 4 000 A pour les transformateurs à
remplissage de liquide isolant
Ta slovenski standard je istoveten z: EN 50719:2024
ICS:
29.080.20 Skoznjiki Bushings
29.180 Transformatorji. Dušilke Transformers. Reactors
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50719
NORME EUROPÉENNE
EUROPÄISCHE NORM March 2024
ICS 29.180
English Version
Connecting terminal flags for bushings from 250 A to 4 000 A
for insulating liquid filled transformers
Cosses à drapeau pour traversées de 250 A à 4 000 A pour Anschlussfahnen für Durchführungen von 250 A bis 4 000 A
les transformateurs à remplissage de liquide isolant für flüssigkeitsgefüllte Transformatoren
This European Standard was approved by CENELEC on 2024-02-12. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50719:2024 E
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 4
4 Requirements . 4
4.1 Manufacturing process . 4
4.2 Material . 4
4.3 General requirements . 4
4.4 Standard values of rated current (Ir) . 5
4.5 Compliance. 5
5 Flag common dimensions . 5
5.1 General . 5
5.2 Type 250 A . 6
5.3 Type 630 A . 7
5.4 Type 1 250 A . 8
5.5 Type 2 000 A . 9
5.6 Type 3 150 A .10
5.7 Type 4 000 A .11
6 Tests .12
6.1 Type tests .12
6.1.1 Temperature rise tests .12
6.1.2 Acceptance .12
6.2 Routine tests .12
Bibliography .13
European foreword
This document (EN 50719:2024) has been prepared by CLC/TC 36A “Insulated bushings”.
The following dates are fixed:
• latest date by which this document has to be (dop) 2025-02-12
...