BS 7821-2.3:1998
Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Distribution transformers with cable boxes on the high voltage and/or low voltage side - Cable boxes type 2 for use on

Standard No.

BS 7821-2.3:1998

Release Date

1998

Published By

British Standards Institution (BSI)

Status

Be replaced 2007-08

Replace By

BS EN 50464-2-3:2007

BS 7821-2.3:1998(1999)

Latest

BS EN 50588-4:2018

BS 7821-2.3:1998(1999)

Scope

Cable boxes described in this document correspond to cable boxes Type 2 in HD 428.2.1 and are suitable for assembly on the cover of oil-immersed distribution transformers meeting the requirements of HD 428.2.1. Cable boxes are air-filled, metal- or non-metal enclosed, for high- and/or low-voltage connections in the following variations: 1 High-voltage side a) Connection directly to bushings; b) Connection via busbar system. 2 Low-voltage side a) Connection directly to bushings (maximum of four connectors per bushing); b) Connection via busbar system.

BS 7821-2.3:1998 history

• 2020 BS EN 50588-4:2018 Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV. Transformers with cable boxes on the high-voltage and/or low-voltage side. Cable boxes type 2 for use on transformers meeting the requirements of ...
• 2007 BS EN 50464-2-3:2007 Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Distribution transformers with cable boxes on the high-voltage and/or low-voltage side - Cable boxes type 2 for use
• 1998 BS 7821-2.3:1998 Three phase oil-immersed distribution transformers, 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV - Distribution transformers with cable boxes on the high voltage and/or low voltage side - Cable boxes type 2 for use on