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Database: 365,228(8 Aug 2026)

Complete Transformer Standards

Complete Transformer Standards, Total:213 items.

The international standard classification for "Complete Transformer Standards" includes: .

The Chinese standard classification for "Complete Transformer Standards" includes: Insulating oil .


Professional Standard - Energy and Power Planning

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Beijing Provincial Standard of the People's Republic of China

National Metrological Technical Specifications of the People's Republic of China

Professional Standard - Water Conservancy

  • SL 621-2013 Standard for scrapping of dam safety monitoring instrument
  • SL 531-2012 Standard For Installation Of Dam Safety Monitoring Instruments

Thai Industrial Standards Institute (TISI)

Underwriters Laboratories (UL)

  • UL 5085-3 BULLETIN-2006 UL Standard for Safety Standard Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers
  • UL 5085-3 BULLETIN-2007 UL Standard for Safety Standard Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers
  • UL 5085-2-2021 UL Standard for Safety Low Voltage Transformers – Part 2: General Purpose Transformers
  • UL 506 BULLETIN-2002 UL Standard for Safety Specialty Transformers
  • UL 506 BULLETIN-2001 UL Standard for Safety Specialty Transformers
  • UL 506 BULLETIN-2006 UL Standard for Safety Specialty Transformers
  • UL 506 BULLETIN-2005 UL Standard for Safety Specialty Transformers
  • UL 551 BULLETIN-2004 UL Standard for Safety Transformer-Type Arc-Welding Machines
  • UL 551 BULLETIN-2003 UL Standard for Safety Transformer-Type Arc-Welding Machines
  • UL 551 BULLETIN-2001 UL Standard for Safety Transformer-Type Arc-Welding Machines
  • UL 551 BULLETIN-2002 UL Standard for Safety Transformer-Type Arc-Welding Machines
  • UL 2161 BULLETIN-2002 UL Standard for Safety Neon Transformers and Power Supplies
  • UL 2161 BULLETIN-2000 UL Standard for Safety Neon Transformers and Power Supplies
  • UL 2161 BULLETIN-2001 UL Standard for Safety Neon Transformers and Power Supplies
  • UL 506-2017 UL Standard for Safety Specialty Transformers (Fourteenth Edition)
  • UL 1561 BULLETIN-2003 UL Standard for Safety Dry-Type General Purpose and Power Transformers
  • UL 1561 BULLETIN-2005 UL Standard for Safety Dry-Type General Purpose and Power Transformers
  • UL 5085-2 CRD-2010 UL Standard for Safety Low Voltage Transformers – Part 2: General Purpose Transformers - Section / Paragraph Reference: Table 8 Subject: Maximum temperature rise for Class 120(E) transformer insulation system (Edition 1: April 17@ 2006)
  • UL 1561 BULLETIN-2014 UL Standard for Safety Dry-Type General Purpose and Power Transformers
  • UL 5085-1 BULLETIN-2007 UL Standard for Safety Low Voltage Transformers - Part 1: General Requirements
  • UL 1561 BULLETINS-2004 UL Standard for Safety Dry-Type General Purpose and Power Transformers (09/17/2004 (8p); 01/19/2004 (40p))
  • UL 1562 BULLETIN-2000 UL Standard for Safety Transformers@ Distribution@ Dry-Type - over 600 Volts
  • UL 1585 BULLETIN-2001 UL Standard for Safety Class 2 and Class 3 Transformers
  • UL 1562 BULLETIN-2018 UL Standard for Safety Transformers@ Distribution@ Dry-Type - over 600 Volts
  • UL 2161-2016 UL Standard for Safety Neon Transformers and Power Supplies (Second Edition)
  • UL 1585 BULLETIN-2005 UL Standard for Safety Class 2 and Class 3 Transformers
  • UL 1585 BULLETIN-2002 UL Standard for Safety Class 2 and Class 3 Transformers
  • UL 1585 BULLETIN-2006 UL Standard for Safety Class 2 and Class 3 Transformers
  • UL 5085-3 CRD-2010 UL Standard for Safety Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers - Section / Paragraph Reference: Table 7 Subject: Maximum temperature rise for Class 120(E) transformer insulation system (Edition 1: April 17, 2006)
  • UL 5085-2 BULLETIN-2012 UL Standard for Safety Low Voltage Transformers - Part 2: General Purpose Transformers (COMMENTS DUE: August 13@ 2012)
  • UL 5085-2 BULLETIN-2017 UL Standard for Safety Low Voltage Transformers - Part 2: General Purpose Transformers (COMMENTS DUE: November 27@ 2017)
  • UL 5085-2 BULLETIN-2011 UL Standard for Safety Low Voltage Transformers - Part 2: General Purpose Transformers (COMMENTS DUE: May 16@ 2011)
  • UL 347A BULLETIN-2011 UL Standard for Safety Outline of Investigation for Medium Voltage Power Conversion Controllers
  • UL 632 BULLETIN-2010 UL Standard for Safety Electrically-Actuated Transmitters
  • UL 1561 BULLETIN-2018 UL Standard for Safety Dry-Type General Purpose and Power Transformers (COMMENTS DUE: October 29@ 2018)
  • UL 5085-3 BULLETIN-2017 UL Standard for Safety Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers (COMMENTS DUE: November 27@ 2017)
  • UL 5085-3 BULLETIN-2011 UL Standard for Safety Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers (COMMENTS DUE: July 05@ 2011)
  • UL 1561 BULLETIN-2019 UL Standard for Safety Dry-Type General Purpose and Power Transformers (COMMENTS DUE: April 22@ 2019)
  • UL 5085-3 BULLETIN-2012 UL Standard for Safety Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers (COMMENTS DUE: August 13@ 2012)
  • UL 1562-2013 UL Standard for Safety Transformers@ Distribution@ Dry-Type - over 600 Volts (Fourth Edition)
  • UL 1411-2016 UL Standard for Safety Transformers and Motor Transformers for Use in Audio-@ Radio-@ and Television-Type Appliances (Seventh Edition)
  • UL 5085-2-2006 UL Standard for Safety Low Voltage Transformers – Part 2: General Purpose Transformers (First Edition; Reprint with revisions through and including May 24@ 2011)
  • UL 5085 BULLETIN-2006 UL Publication of the First Edition of the Standard for Safety for Low Voltage Transformers – Part 1: General Requirements
  • UL 1561-2023 Standard for Dry-Type General Purpose and Power Transformers
  • UL 2592 BULLETIN-2009 UL Standard for Safety Outline of Investigation for Low Voltage LED Wire
  • UL 6141 BULLETIN-2014 UL Standard for Safety OUTLINE OF INVESTIGATION FOR WIND TURBINE CONVERTERS AND INTERCONNECTION SYSTEMS EQUIPMENT
  • UL 5087 BULLETIN-2005 UL Proposed First Edition of the Standard for Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers
  • UL 5086 BULLETIN-2005 UL Proposed First Edition of the Standard for Low Voltage Transformers - Part 2: General Purpose Transformers@ UL 5085-2
  • UL 6141 BULLETIN-2015 UL Standard for Safety OUTLINE OF INVESTIGATION FOR WIND TURBINE CONVERTERS AND INTERCONNECTION SYSTEMS EQUIPMENT
  • UL 5085 BULLETINS-2005 UL Standard for Low Voltage Transformers - Part 1: General Requirements@
  • UL 2877 BULLETIN-2014 UL Standard for Safety Outline of Investigation for Power Supplies@ Medium Voltage

American National Standards Institute (ANSI)

  • ANSI/UL 5085-2-2012 Standard for Safety for Low Voltage Transformers - Part 2: General Purpose Transformers
  • ANSI/IEEE 111:2000 Standard for Wide Band (Greater than 1 Decade) Transformers
  • ANSI/UL 506-2008 Standard for Safety for Specialty Transformers (Proposal document dated 4/11/08)
  • ANSI/UL 5085-2-2006 Standard for Safety for Low Voltage Transformers - Part 2: General Purpose Transformers
  • ANSI/UL 5085-3-2006 Standard for Safety for Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers
  • ANSI/UL 551-2009 Standard for Safety for Transformer-Type Arc-Welding Machines
  • ANSI/UL 5085-3-2012 Standard for Safety for Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers
  • ANSI/UL 1585-2006 Standard for Safety for Class 2 and Class 3 Transformers
  • ANSI/UL 5085-1-2006 Standard for Safety for Low Voltage Transformers - Part 1: General Requirements
  • ANSI/UL 1411-2011 Standard for Safety for Transformers and Motor Transformers for Use in Audio-, Radio-, and Television-Type Appliances
  • ANSI/IEEE C57.12.80:2010 Standard Terminology for Power and Distribution Transformers
  • ANSI/IEEE 390:2007 Standard for Pulse Transformers
  • ANSI/UL 5085-1-2013 Standard for Safety for Standard for Low Voltage Transformers - Part 1: General Requirements
  • ANSI C57.12.20-1997 Transformers - Overhead-Type Distribution Transformers, 500 kVA and Smaller: High Voltage, 34 500 Volts and Below; Low Voltage, 7970/13 800Y Volts and Below
  • ANSI/UL 1561-2012 Standard for Safety for Dry-Type General Purpose and Power Transformers
  • ANSI/UL 697-2012 Standard for Safety for Toy Transformers (proposal dated 2-17-12)
  • ANSI/IEEE C57.13.6:2005 Standard for High Accuracy Instrument Transformers
  • ANSI/IEEE C57.148:2011 Standard for Control Cabinets for Power Transformers
  • ANSI/UL 697a-2012 Standard for Safety for Toy Transformers (proposal dated 2-17-12)
  • ANSI/IEEE C57.13:2008 Standard Requirements for Instrument Transformers
  • ANSI C57.12.24-2000 Transformers - Underground-Type Three-Phase Distribution Transformers, 2500 kVA and Smaller: High Voltage 34 500 Grd Y/19 920 Volts and Below; Low Voltage, 480 Volts and Below - Requirements
  • ANSI/IEEE 388:1992 Standard for Transformers and Inductors in Electronic Power Conversion Equipment
  • ANSI/IEEE C57.12.35:2007 Standard Bar Coding for Distribution Transformers
  • ANSI/NECA 409-2009 Standard for Installing and Maintaining Dry-Type Transformers
  • ANSI/IEEE C57.144:2004 Guide for Metric Conversion of Transformer Standards
  • ANSI/NECA 410-2013 Standard for Installing and Maintaining Liquid-Filled Transformers
  • ANSI/UL 1876-2011 Standard For Safety For Isolating Signal and Feedback Transformers for Use in Electronic Equipment
  • ANSI C57.12.55-1987 Transformers - Dry-Type Transformers Used in Unit Installations, Including Unit Substations - Conformance Standard
  • ANSI/IEEE C57.12.10:2011 Standard Requirements for Liquid-Immersed Power Transformers

Institute of Electrical and Electronics Engineers (IEEE)

Gosstandart of Russia

  • GOST 4.375-1985 Product-quality index system. Measuring analogue transducers, amplifiers, stabilizers and transformers. Index nomenclature

CN-STDBOOK

  • 图书 3-8219 Safety volume of national standard compilation of transformers [ISBN9787506682190]

South African Bureau of Standard

Standards New Zealand

Belgian Standards Institute

Magyar Szabványügyi Testület

German Institute for Standardization

  • DIN 42404:1985-07 Terminal markings for small transformers, safety isolating transformers, variable transformers and small chokes
  • DIN 42404:1985 Terminal markings for small transformers, safety isolating transformers, variable transformers and small chokes
  • DIN EN 50629 A1 E:2016-10 Energy performance of large power transformers (Um > 36 kV or Sr ≥ 40 MVA)
  • DIN 42513:1989 Transformers; marking of components for transformers and reactors
  • DIN 42513:1989-03 Transformers; marking of components for transformers and reactors / Note: To be replaced by DIN 42513 (1998-09).
  • DIN EN 50629 A2 E:2018-11 Energy performance of large power transformers (Um>36kV)

Canadian Standards Association (CSA)

National Electrical Manufacturers Association(NEMA)

  • NEMA TP 3-2000 Standard for the Labeling of Distribution Transformer Efficiency
  • NEMA TR 1-2013(2019) Standards for Transformers, Step-Down Voltage Regulators and Reactors

Swedish Institute for Standards

Standard Association of Australia (SAA)

  • AS 3108.3:1984 Approval and test specification - Isolating transformers and safety isolating transformers, Part 3: Supplementary requirements - Safety isolating transformers
  • AS 2374.1.2:2003(R2005) Minimum Energy Performance Standards (MEPS) Requirements for Power Transformers Distribution Transformers
  • AS 2374.1.2:2003 Power transformers - Minimum Energy Performance Standard (MEPS) requirements for distribution transformers
  • AS 2374.1.2:2003/Amdt 1:2005 Minimum Energy Performance Standards (MEPS) Requirements for Power Transformers Distribution Transformers
  • AS 3108.2:1984 Approval and test specification - Isolating transformers and safety isolating transformers, Part 2: Supplementary requirements - Isolating transformers
  • AS 3108.1:1984 Approval and test specification - Isolating transformers and safety isolating transformers - General requirements
  • AS 3108:1990 Approval and test specification - Particular requirements for isolating transformers and safety isolating transformers
  • AS 1078.1:1972 Guide to loading of oil-immersed transformers, Part 1: Transformers to AS C61-1963

Polski Komitet Normalizacyjny (PKN)

  • PN E08105-1988 Isolating transformers and safety isolating transformers

Korean Agency for Technology and Standards (KATS)

  • KS C 1706-1982 instrument transformers for testing purpose and used with general instrument
  • KS C 1706-2022 Instrument transformers for standard and measuring

Yugoslav Association for Standardization

  • JUS N.H8.023-1987 Isolating transformers and safety isolating transformers. Safety isolating transformers for general use. Additional reguirements
  • JUS N.H8.020-1987 Isolating transformers and safety isolating transformers. Transformers for toys. Additional requirements

British Standards Institution (BSI)

  • BS 3535-2:1990 Isolating transformers and safety isolating transformers-Specification for transformers for reduced system voltage
  • BS 7729:1994 Specification for instrument transformers - Three-phase voltage transformers for voltage levels having Um up to 52 kV
  • BS EN 60742:1996 Isolating transformers and safety isolating transformers - Requirements

Association for Electrical, Electronic & Information Technologies (VDE)

Defense Logistics Agency

Argentine Institute of Standardization

  • IRAM 2099-1953 Transformers for current conduction and shunting and standard transformers (general conditions)

Swiss Association for Standardization (SNV)

  • VSM 13102-1926 16kV distribution transformer standardization principle

Spanish Association for Standardization (UNE)

Czech Standards Institute (UNMZ)

  • CSN 35 1330-1987 Isolating transformers and safety isolating transformers. Requirements

National Electrical Contractors Association (NECA)

  • NECA 409-2015 Standard for Installing and Maintaining Dry-Type Transformers
  • NECA 410-2005 Standard for Installing and Maintaining Liquid-Filled Transformers
  • NECA 409-2009 Standard for Installing and Maintaining Dry-Type Transformers

European Committee for Electrotechnical Standardization(CENELEC)

  • EN 60742:1989 Isolating Transformers and Safety Isolating Transformers - Requirements
  • EN 60742:1995 Isolating Transformers and Safety Isolating Transformers Requirements

Japanese Industrial Standards Committee (JISC)

Australian/New Zealand Standard (AU-AS/NZS)

  • AS/NZS 3108:1994 Approval and test specification - particular requirements for isolating transformers and safety isolating transformers

Association Francaise de Normalisation

  • NF EN 61050/A1:1996 Transformers for tubular discharge lamps having a no-load secondary voltage greater than 1,000 V (commonly called neon transformers) - General and safety requirements
  • NF C52-742:1997 Isolating transformers and safety isolating transformers. Requirements.
  • NF EN 61050:1993 Transformers for tubular discharge lamps having a no-load secondary voltage greater than 1,000 V (commonly called neon transformers) - General and safety requirements

Military Standards (MIL-STD)

International Electrotechnical Commission (IEC)

American Society for Testing and Materials (ASTM)

  • ASTM D2283-86(1997) Standard Specification for Chlorinated Aromatic Hydrocarbons (Askarels) for Transformers