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.
Hardcopy , PDF
Spanish, Castilian, English
25-07-2003
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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
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.
| Committee |
CTN 207/SC 36
|
| DevelopmentNote |
Supersedes UNE 21607. (10/2003)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
Asociacion Espanola de Normalizacion
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| DIN EN 50387:2004-01 | Identical |
| NF EN 50387 : 2003 | Identical |
| NBN EN 50387 : 2003 | Identical |
| NEN EN 50387 : 2003 | Identical |
| I.S. EN 50387:2002 | Identical |
| SN EN 50387 : 2002 | Identical |
| BS EN 50387:2002 | Identical |
| EN 50387:2002 | Identical |
| 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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.