UNE 21428-1-2:2017
Superseded Standard
Historical

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
Most recent standard
No description.

Technical characteristics

Publisher Asociacion Espanola de Normalizacion y Certificacion (AENOR)
Publication Date 12/05/2017
Cancellation Date 12/01/2021
Page Count 8
EAN ---
ISBN ---
Weight (in grams) ---

Replaces

Previous versions

UNE 21428-1-2:2021

UNE 21428-1-2:2021

Three-phase liquid-immersed distribution transformers 50 Hz, from 25 kVA to 3 150 kVA with highest voltage for equipment not exceeding 36 kV. Part 1: General requirements. Section 2: Requirements for dual-voltage transformers in low-voltage.
01/12/2021
Active
Most Recent
UNE 21428-1-2:2017

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
05/12/2017
Superseded
Historical
UNE 21428-1-2:2011

UNE 21428-1-2:2011

Three-phase oil-immersed distribution transformers 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. Section 2: Requirements for dual-voltage transformers in low-voltage.
04/05/2011
Superseded
Historical
UNE 21428-1-2:2004

UNE 21428-1-2:2004

Three-phase oil-immersed distribution transformers 50 Hz, from 50 to 2500 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. Section 2: Requirements for dual-voltage transformers in low-voltage.
22/10/2004
Superseded
Historical
UNE 21428-1-2:1999 ERRATUM

UNE 21428-1-2:1999 ERRATUM

THREE PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2 500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEDING 36 KV. PART 1: GENERAL REQUIREMENTS. SECTION 2: REQUIREMENTS FOR BI-VOLTAGE TRANSFORMERS IN LOW-VOLTAGE.
14/06/1999
Superseded
Historical
UNE 21428-1-2:1996

UNE 21428-1-2:1996

THREE PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2 500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEDING 36 KV. PART 1: GENERAL REQUIREMENTS. SECTION 2: REQUIREMENTS FOR BI-VOLTAGE TRANSFORMERS IN LOW-VOLTAGE.
21/05/1996
Superseded
Historical
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