• EN 61869-1 : 2009

    Current The latest, up-to-date edition.

    INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS

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    Published date:  04-09-2009

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Normal and special service conditions
    5 Ratings
    6 Design and construction
    7 Tests
    8 Rules for transport, storage, erection, operation and
       maintenance
    9 Safety
    10 Influence of products on the natural environment
    Annex A (normative) - Identification of test specimen
    Annex B (informative) - Rules for transport, storage, erection,
                            operation and maintenance
    Annex C (informative) - Fire hazard
    Annex D (informative) - Sample test
    Bibliography
    Annex ZA (normative) - Normative references to international
                           publications with their corresponding
                           European publications
    Annex ZZ (informative) - Coverage of Essential Requirements
                             of EC Directives

    Abstract - (Show below) - (Hide below)

    Pertains to newly manufactured instrument transformers with analogue or digital output for use with electrical measuring instruments or electrical protective devices having frequencies from 15 Hz to 100 Hz.

    General Product Information - (Show below) - (Hide below)

    Committee TC 38
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    15/30314789 DC : 0 BS EN 50152-3-1 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-1: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - DEVICES
    PREN 50152-3-1 : DRAFT 2015 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-1: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - DEVICES
    CEI EN 61869-6 : 1ED 2017 INSTRUMENT TRANSFORMERS - PART 6: ADDITIONAL GENERAL REQUIREMENTS FOR LOW-POWER INSTRUMENT TRANSFORMERS
    BS EN 50152-3-3:2016 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-3: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - VOLTAGE TRANSFORMERS
    I.S. EN 61869-5:2011 INSTRUMENT TRANSFORMERS - PART 5: ADDITIONAL REQUIREMENTS FOR CAPACITOR VOLTAGE TRANSFORMERS (IEC 61869-5:2011)
    EN 61400-12-1:2017 Wind energy generation systems - Part 12-1: Power performance measurement of electricity producing wind turbines
    CEI EN 50152-3-3 : 2001 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-3: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - VOLTAGE TRANSFORMERS
    PREN 50152-3-2 : DRAFT 2015 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-2: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - SINGLE-PHASE CURRENT TRANSFORMERS
    I.S. EN 61869-6:2016 INSTRUMENT TRANSFORMERS - PART 6: ADDITIONAL GENERAL REQUIREMENTS FOR LOW-POWER INSTRUMENT TRANSFORMERS
    I.S. EN 50152-3-3:2016 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-3: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - VOLTAGE TRANSFORMERS
    EN 61869-4:2014/AC:2014 INSTRUMENT TRANSFORMERS - PART 4: ADDITIONAL REQUIREMENTS FOR COMBINED TRANSFORMERS (IEC 61869-4:2013)
    EN 50152-3-1:2017 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-1: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - DEVICES
    EN 50152-3-3:2016 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-3: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - VOLTAGE TRANSFORMERS
    EN 61869-3 : 2011 INSTRUMENT TRANSFORMERS - PART 3: ADDITIONAL REQUIREMENTS FOR INDUCTIVE VOLTAGE TRANSFORMERS (IEC 61869-3:2011)
    EN 61869-6 : 2016 INSTRUMENT TRANSFORMERS - PART 6: ADDITIONAL GENERAL REQUIREMENTS FOR LOW-POWER INSTRUMENT TRANSFORMERS (IEC 61869-6:2016)
    EN 50152-3-2 : 2016 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-2: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - CURRENT TRANSFORMERS
    BS EN 61869-5 : 2011 INSTRUMENT TRANSFORMERS - PART 5: ADDITIONAL REQUIREMENTS FOR CAPACITOR VOLTAGE TRANSFORMERS
    BS EN 50588-1 : 2017 MEDIUM POWER TRANSFORMERS 50 HZ, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    BS EN 61869-2:2012 Instrument transformers Additional requirements for current transformers
    BS EN 61869-4:2014 Instrument transformers Additional requirements for combined transformers
    CEI EN 61869-4 : 2014 INSTRUMENT TRANSFORMERS - PART 4: ADDITIONAL REQUIREMENTS FOR COMBINED TRANSFORMERS
    CEI EN 61869-2 : 2014 INSTRUMENT TRANSFORMERS - PART 2: ADDITIONAL REQUIREMENTS FOR CURRENT TRANSFORMERS
    DIN IEC/TR 62543 : 2018 HIGH-VOLTAGE DIRECT CURRENT (HVDC) POWER TRANSMISSION USING VOLTAGE SOURCED CONVERTERS (VSC) (IEC/TR 62543:2011 + A1:2013 + A2:2017)
    VDE 0553-543 : 2018 HIGH-VOLTAGE DIRECT CURRENT (HVDC) POWER TRANSMISSION USING VOLTAGE SOURCED CONVERTERS (VSC) (IEC/TR 62543:2011 + A1:2013 + A2:2017)
    BS EN 61869-6 : 2016 INSTRUMENT TRANSFORMERS - PART 6: ADDITIONAL GENERAL REQUIREMENTS FOR LOW-POWER INSTRUMENT TRANSFORMERS
    15/30314795 DC : 0 BS EN 50152-3-3 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-3: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - SINGLE-PHASE INDUCTIVE VOLTAGE TRANSFORMERS
    PREN 50152-3-3 : DRAFT 2015 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-3: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - SINGLE-PHASE INDUCTIVE VOLTAGE TRANSFORMERS
    BS EN 62689-1:2016 (published 2017-01) Current and voltage sensors or detectors, to be used for fault passage indication purposes General principles and requirements
    I.S. EN 50588-1:2017 MEDIUM POWER TRANSFORMERS 50 HZ, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    BS EN 61869-3 : 2011 INSTRUMENT TRANSFORMERS - PART 3: ADDITIONAL REQUIREMENTS FOR INDUCTIVE VOLTAGE TRANSFORMERS
    I.S. EN 61869-2:2012 INSTRUMENT TRANSFORMERS - PART 2: ADDITIONAL REQUIREMENTS FOR CURRENT TRANSFORMERS (IEC 61869-2:2012 (EQV))
    I.S. EN 60076-19:2015 POWER TRANSFORMERS - PART 19: RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
    I.S. EN 50152-3-2:2016 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-2: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - SINGLE-PHASE CURRENT TRANSFORMERS
    I.S. EN 61400-12-1:2017 WIND POWER GENERATION SYSTEMS - PART 12-1: POWER PERFORMANCE MEASUREMENT OF ELECTRICITY PRODUCING WIND TURBINES
    UNE-EN 60076-19:2016 Power transformers - Part 19: Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
    UNE-EN 50152-3-2:2016 Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 3-2: Measurement, control and protection devices for specific use in a.c. traction systems - Current transformers
    UNE-EN 50152-3-1:2017 Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 3-1: Measurement, control and protection devices for specific use in a.c. traction systems - Devices
    UNE-EN 61869-5:2012 Instrument transformers - Part 5: Additional requirements for capacitor voltage transformers
    15/30314792 DC : 0 BS EN 50152-3-2 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-2: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - SINGLE-PHASE CURRENT TRANSFORMERS
    EN 62689-1 : 2016 CURRENT AND VOLTAGE SENSORS OR DETECTORS, TO BE USED FOR FAULT PASSAGE INDICATION PURPOSES - PART 1: GENERAL PRINCIPLES AND REQUIREMENTS (IEC 62689-1:2016)
    CEI EN 61869-3 : 2012 INSTRUMENT TRANSFORMERS - PART 3: ADDITIONAL REQUIREMENTS FOR INDUCTIVE VOLTAGE TRANSFORMERS
    UNE-EN 61869-4:2017 Instrument transformers - Part 4: Additional requirements for combined transformers
    I.S. EN 61869-3:2011 INSTRUMENT TRANSFORMERS - PART 3: ADDITIONAL REQUIREMENTS FOR INDUCTIVE VOLTAGE TRANSFORMERS (IEC 61869-3:2011)
    CEI EN 50152-3-2 : 2001 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-2: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - CURRENT TRANSFORMERS
    UNE-EN 61869-3:2012 Instrument transformers - Part 3: Additional requirements for inductive voltage transformers
    CEI EN 61400-12-1 : 2007 WIND POWER GENERATION SYSTEMS - PART 12-1: POWER PERFORMANCE MEASUREMENT OF ELECTRICITY PRODUCING WIND TURBINES
    I.S. EN 50152-3-1:2017 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-1: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - DEVICES
    EN 50588-1:2017 MEDIUM POWER TRANSFORMERS 50 HZ, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    I.S. EN 61869-4:2014 INSTRUMENT TRANSFORMERS - PART 4: ADDITIONAL REQUIREMENTS FOR COMBINED TRANSFORMERS
    I.S. EN 62689-1:2016 CURRENT AND VOLTAGE SENSORS OR DETECTORS, TO BE USED FOR FAULT PASSAGE INDICATION PURPOSES - PART 1: GENERAL PRINCIPLES AND REQUIREMENTS
    UNE-EN 50152-3-3:2016 Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 3-3: Measurement, control and protection devices for specific use in a.c. traction systems - Voltage transformers
    BS EN 61400-12-1:2017 Wind power generation systems Power performance measurement of electricity producing wind turbines
    BS EN 60076-19:2015 (published 2016-01) Power transformers Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
    UNE-EN 61869-2:2013 Instrument transformers - Part 2: Additional requirements for current transformers
    CEI EN 61869-5 : 2012 INSTRUMENT TRANSFORMERS - PART 5: ADDITIONAL REQUIREMENTS FOR CAPACITOR VOLTAGE TRANSFORMERS
    BS EN 50152-3-1:2017 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR A.C. SWITCHGEAR - PART 3-1: MEASUREMENT, CONTROL AND PROTECTION DEVICES FOR SPECIFIC USE IN A.C. TRACTION SYSTEMS - DEVICES
    EN 60076-19 : 2015 POWER TRANSFORMERS - PART 19: RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS (IEC/TS 60076-19:2013, MODIFIED)
    EN 61869-2 : 2012 INSTRUMENT TRANSFORMERS - PART 2: ADDITIONAL REQUIREMENTS FOR CURRENT TRANSFORMERS
    EN 61869-5 : 2011 INSTRUMENT TRANSFORMERS - PART 5: ADDITIONAL REQUIREMENTS FOR CAPACITOR VOLTAGE TRANSFORMERS (IEC 61869-5:2011)

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 62262:2002 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
    IEC GUIDE 109:2012 Environmental aspects - Inclusion in electrotechnical product standards
    IEC 60480:2004 Guidelines for the checking and treatment of sulfur hexafluoride (SF6) taken from electrical equipment and specification for its re-use
    IEC 62271-100:2008+AMD1:2012+AMD2:2017 CSV High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers
    IEC 60255-22-1:2007 Measuring relays and protection equipment - Part 22-1: Electrical disturbance tests - 1 MHz burst immunity tests
    IEC 60038:2009 IEC standard voltages
    IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
    IEC 60565:2006 Underwater acoustics - Hydrophones - Calibration in the frequency range 0,01 Hz to 1 MHz
    EN 60068-2-75:2014 ENVIRONMENTAL TESTING - PART 2-75: TESTS - TEST EH: HAMMER TESTS (IEC 60068-2-75:2014)
    EN 60376 : 2005 SPECIFICATION OF TECHNICAL GRADE SULFUR HEXAFLUORIDE (SF[6]) FOR USE IN ELECTRICAL EQUIPMENT
    IEC 60028:1925 International standard of resistance for copper
    IEC 60695-1-30:2017 Fire hazard testing - Part 1-30: Guidance for assessing the fire hazard of electrotechnical products - Preselection testing process - General guidelines
    IEC 62155:2003 Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1 000 V
    EN 60085:2008 ELECTRICAL INSULATION - THERMAL EVALUATION AND DESIGNATION
    IEC 60695-1-1:1999 Fire hazard testing - Part 1-1: Guidance for assessing the fire hazard of electrotechnical products - General guidelines
    IEC 61161:2013 Ultrasonics - Power measurement - Radiation force balances and performance requirements
    EN 62155 : 2003 HOLLOW PRESSURIZED AND UNPRESSURIZED CERAMIC AND GLASS INSULATORS FOR USE IN ELECTRICAL EQUIPMENT WITH RATED VOLTAGES GREATER THAN 1000 V
    CISPR 16-1-1:2015 Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-1: Radio disturbance and immunity measuring apparatus - Measuring apparatus
    EN 62271-203:2012 High-voltage switchgear and controlgear - Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
    IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    EN 60867 : 1994 INSULATING LIQUIDS - SPECIFICATIONS FOR UNUSED LIQUIDS BASED ON SYNTHETIC AROMATIC HYDROCARBONS
    IEC 60068-2-11:1981 Basic environmental testing procedures - Part 2-11: Tests - Test Ka: Salt mist
    EN 60480:2004 Guidelines for the checking and treatment of sulphur hexafluoride (SF6) taken from electrical equipment and specification for its re-use
    IEC 61109:2008 Insulators for overhead lines - Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V - Definitions, test methods and acceptance criteria
    IEC 60660:1999 Insulators - Tests on indoor post insulators of organic material for systems with nominal voltages greater than 1 000 V up to but not including 300 kV
    EN 60660 : 1999 INSULATORS - TESTS ON INDOOR POST INSULATORS OF ORGANIC MATERIALS FOR SYSTEMS WITH NOMINAL VOLTAGES GREATER THAN 1 KV UP TO BUT NOT INCLUDING 300 KV
    EN 61462 : 2007 COMPOSITE HOLLOW INSULATORS - PRESSURIZED AND UNPRESSURIZED INSULATORS FOR USE IN ELECTRICAL EQUIPMENT WITH RATED VOLTAGE GREATER THAN 1000 V - DEFINITIONS, TEST METHODS, ACCEPTANCE CRITERIA AND DESIGN RECOMMENDATIONS
    IEC 60376:2005 Specification of technical grade sulfur hexafluoride (SF6) for use in electrical equipment
    IEC 60567:2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
    HD 588.1 : S1 AMD 1 HIGH VOLTAGE TEST TECHNIQUES - GENERAL DEFINITIONS AND TEST REQUIREMENTS
    HD 472 S1:1989/AC:2013 NOMINAL VOLTAGES FOR LOW-VOLTAGE PUBLIC ELECTRICITY SUPPLY SYSTEMS
    EN 60270:2001/A1:2016 HIGH-VOLTAGE TEST TECHNIQUES - PARTIAL DISCHARGE MEASUREMENTS (IEC 60270:2000/A1:2015)
    EN 61161:2013 ULTRASONICS - POWER MEASUREMENT - RADIATION FORCE BALANCES AND PERFORMANCE REQUIREMENTS (IEC 61161:2013)
    EN 62271-2 : 2003 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 2: SEISMIC QUALIFICATION FOR RATED VOLTAGES OF 72,5 KV AND ABOVE
    IEC 60694:1996+AMD1:2000+AMD2:2001 CSV Common specifications for high-voltage switchgear and controlgear standards
    IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
    IEC 60296:2012 RLV Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
    EN 60255-22-1:2008 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 22-1: ELECTRICAL DISTURBANCE TESTS - 1 MHZ BURST IMMUNITY TESTS
    EN 60599:2016 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    EN 60694:1996/A2:2001 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    EN ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS - REQUIREMENTS (ISO 9001:2015)
    EN 60296:2012 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED MINERAL INSULATING OILS FOR TRANSFORMERS AND SWITCHGEAR (IEC 60296:2012)
    IEC 60121:1960 Recommendation for commercial annealed aluminium electrical conductor wire
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC 61462:2007 Composite hollow insulators - Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1 000 V - Definitions, test methods, acceptance criteria and design recommendations
    EN 60068-2-17 : 1994 BASIC ENVIRONMENTAL TESTING - TEST Q: SEALING
    EN 55011:2016/A1:2017 INDUSTRIAL, SCIENTIFIC AND MEDICAL EQUIPMENT - RADIO-FREQUENCY DISTURBANCE CHARACTERISTICS - LIMITS AND METHODS OF MEASUREMENT (CISPR 11:2015/A1:2016)
    IEC 60068-2-17:1994 Basic environmental testing procedures - Part 2-17: Tests - Test Q: Sealing
    EN 61181:2007/A1:2012 MINERAL OIL-FILLED ELECTRICAL EQUIPMENT - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT (IEC 61181:2007/A1:2012)
    IEC 62271-203:2011 High-voltage switchgear and controlgear - Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
    EN 60695-7-1:2010 FIRE HAZARD TESTING - PART 7-1: TOXICITY OF FIRE EFFLUENTS - GENERAL GUIDANCE
    EN 60695-1-30:2017 FIRE HAZARD TESTING - PART 1-30: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - PRESELECTION TESTING PROCESS - GENERAL GUIDELINES (IEC 60695-1-30:2017)
    EN 60071-1:2006/A1:2010 INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES
    EN 60565:2007 UNDERWATER ACOUSTICS - HYDROPHONES - CALIBRATION IN THE FREQUENCY RANGE 0,01 HZ TO 1 MHZ
    IEC 62262:2002 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
    IEC 60867:1993 Insulating liquids - Specifications for unused liquids based on synthetic aromatic hydrocarbons
    ISO 9001:2015 Quality management systems - Requirements
    IEC 60695-7-1:2010 Fire hazard testing - Part 7-1: Toxicity of fire effluent - General guidance
    IEC 60071-2:1996 Insulation co-ordination - Part 2: Application guide
    IEC 60721-3-3:1994+AMD1:1995+AMD2:1996 CSV Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations
    EN 60071-2 : 1997 INSULATION CO-ORDINATION - APPLICATION GUIDE
    IEC 60068-2-75:2014 Environmental testing - Part 2-75: Tests - Test Eh: Hammer tests
    IEC 61181:2007+AMD1:2012 CSV Mineral oil-filled electrical equipment - Application of dissolved gas analysis (DGA) to factory tests on electrical equipment
    CISPR 11:2015 RLV Industrial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement
    EN 60068-2-11 : 1999 ENVIRONMENTAL TESTING - TESTS - TEST KA-SALT MIST
    EN 61109 : 2008 INSULATORS FOR OVERHEAD LINES - COMPOSITE SUSPENSION AND TENSION INSULATORS FOR A.C. SYSTEMS WITH A NOMINAL VOLTAGE GREATER THAN 1000 V - DEFINITIONS, TEST METHODS AND ACCEPTANCE CRITERIA
    EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
    IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
    IEC 60071-1:2006+AMD1:2010 CSV Insulation co-ordination - Part 1: Definitions, principles and rules
    IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    IEC 62271-2:2003 High-voltage switchgear and controlgear - Part 2: Seismic qualification for rated voltages of 72,5 kV and above
    EN 60567:2011 OIL-FILLED ELECTRICAL EQUIPMENT - SAMPLING OF GASES AND ANALYSIS OF FREE AND DISSOLVED GASES - GUIDANCE (IEC 60567:2011)
    EN 55016-1-1:2010/A2:2014 SPECIFICATION FOR RADIO DISTURBANCE AND IMMUNITY MEASURING APPARATUS AND METHODS - PART 1-1: RADIO DISTURBANCE AND IMMUNITY MEASURING APPARATUS - MEASURING APPARATUS (CISPR 16-1-1:2010/A2:2014)
    ISO 3231:1993 Paints and varnishes Determination of resistance to humid atmospheres containing sulfur dioxide
    EN 60695-1-1 : 2000 FIRE HAZARD TESTING - PART 1-1: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - GENERAL GUIDELINES
    EN 60721-3-3 : 95 AMD 2 97 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STATIONARY USE AT WEATHER-PROTECTED LOCATIONS
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