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Spanish national standards UNE are published by the company AENOR, which deals with the development of national standardization and certification in all industrial and services sectors. Its aim is to contribute to the quality, competitiveness and improvement of companies and to protect the environment.
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.
WITHDRAWN published on 25.6.2004
Selected format: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.
WITHDRAWN published on 7.6.2006
Selected format:Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. National complementary annex.
WITHDRAWN published on 4.5.2011
Selected format:Three-phase oil-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. National complementary annex.
WITHDRAWN published on 1.2.2017
Selected format:THREE PHASE OIL-INMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2 500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV. PART 2: DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH VOLTAGE AND/OR LOW VOLTAGE SIDE. SECTION 1: GENERAL REQUIREMENTS.
WITHDRAWN published on 19.6.1996
Selected format:THREE-PHASE OIL-INMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2 500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV. PART 2: DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH-VOLTAGE AND/OR LOW-VOLTAGE SIDE. SECTION 2: CABLE BOXES TYPE 1 FOR USE ON DISTRIBUTION TRANSFORMERS MEETING THE REQUIREMENTS OF HD 428.2.1 S1.
WITHDRAWN published on 28.10.1997
Selected format:THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV. PART 2: DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH-VOLTAGE AND/OR LOW-VOLTAGE SIDE. SECTION 2: CABLE BOXES TYPE 1 FOR USE ON DISTRIBUTION TRANSFORMER MEETING THE REQUIREMENTS OF UNE 21428-2-1.
WITHDRAWN published on 28.1.2000
Selected format:THREE-PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2 500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV. PART 2: DISTRIBUTION TRANSFORMERS WITH CABLE BOXES ON THE HIGH-VOLTAGE AND/OR LOW-VOLTAGE SIDE. SECTION 3: CABLE BOXES TYPE 2 FOR USE ON DISTRIBUTION TRANSFORMERS MEETING THE REQUIREMENTS OF UNE 21428-2-1 STANDARD.
WITHDRAWN published on 16.12.1998
Selected format:THREE PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 2 500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV. PART 4: DETERMINATION OF THE POWER RATING OF A TRANSFORMER LOADED WITH NON-SINUSOIDAL CURRENTS.
WITHDRAWN published on 22.5.1996
Selected format:Three phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV -- Part 6: Requirements and tests concerning pressurised corrugated tanks
WITHDRAWN published on 30.12.2003
Selected format:Latest update: 2026-09-24 (Number of items: 2 302 501)
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