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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-INMERSED DISTRIBUTION TRANSFORMERS 50 HZ, FROM 50 TO 2 500 KVA WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEDING 36 KV. PART 1: GENERAL REQUIREMENTS. SECTION 1: REQUIREMENT FOR MULTI-VOLTAGE TRANSFORMERS IN HIGH-VOLTAGE.
WITHDRAWN published on 21.5.1996
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. Section 1: Requirement for multi-voltage transformers in high-voltage.
WITHDRAWN published on 22.10.2004
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. Section 1: Requirement for multi-voltage transformers in high-voltage.
WITHDRAWN published on 4.5.2011
Selected format: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 1: Requirement for dual voltage transformers in high-voltage.
WITHDRAWN published on 5.12.2017
Selected format: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.
WITHDRAWN published on 21.5.1996
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. Section 2: Requirements for dual-voltage transformers in low-voltage.
WITHDRAWN published on 22.10.2004
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. Section 2: Requirements for dual-voltage transformers in low-voltage.
WITHDRAWN published on 4.5.2011
Selected format: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
WITHDRAWN published on 5.12.2017
Selected format: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
WITHDRAWN published on 5.12.2017
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 1: GENERAL REQUIREMENTS.
WITHDRAWN published on 24.5.1996
Selected format:Latest update: 2026-09-24 (Number of items: 2 302 501)
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