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  • IEC 60721-3-3:1994+AMD1:1995+AMD2:1996 CSV

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  31-12-2021

    Language(s): 

    Published date:  22-10-2002

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Definitions
    4 General
    5 Classification of groups of environmental parameters
       and their severities
    6 Sets of environmental condition class combinations
    Annex A (informative) Survey of conditions affecting the choice
            of environmental parameters and their severities
    Annex B (informative) Climatograms
    Annex C (informative) Examples for practical application of the
            classification specified in this standard
    Annex D (informative) Summary of conditions covered by sets of
            class combinations
    Annex E (informative) Explanation of the environmental conditions
            in tropical areas as specified in classes 3K9 and 3K10
    Figures
    Tables

    Abstract - (Show below) - (Hide below)

    Classifies groups of environmental parameters and their severities to which products are subjected when mounted for stationary use at weatherprotected locations. This consolidated version consists of the second edition (1994),its amendment 1 (1995) and its amendment 2 (1996). Therefore, no need to order amendments in addition to this publication. The contents of the corrigendum of June 2008 have been included inthis copy.

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

    Committee TC 104
    Development Note Also numbered as BS EN 60721-3.3. (12/2005) Stability Date: 2017. (10/2017)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By
    Supersedes

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

    BS 7400(1991) : 1991 AMD 7672 SPECIFICATION FOR ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
    I.S. EN 60664-5:2007 INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PART 5: COMPREHENSIVE METHOD FOR DETERMINING CLEARANCES AND CREEPAGE DISTANCES EQUAL TO OR LESS THAN 2 MM
    BS 5760-13.3:1993 RELIABILITY OF SYSTEMS, EQUIPMENT AND COMPONENTS - GUIDE TO RELIABILITY TEST CONDITIONS FOR CONSUMER EQUIPMENT - CONDITIONS PROVIDING A LOW DEGREE OF SIMULATION FOR EQUIPMENT FOR STATIONARY USE IN PARTIALLY WEATHER PROTECTED LOCATIONS
    BS EN 60255-1:2010 Measuring relays and protection equipment Common requirements
    16/30353588 DC : 0 BS EN 61020-1 ED 3.0 - ELECTROMECHANICAL SWITCHES FOR USE IN ELECTRICAL AND ELECTRONIC EQUIPMENT - PART 1: GENERIC SPECIFICATION
    BS 8431:2010 ELECTRICAL STATIC METERS FOR SECONDARY METERING AND SUB-METERING - SPECIFICATION
    BS EN 61869-1:2009 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    PD IEC/TR 60721-4-3:2002 Classification of environmental conditions. Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 Stationary use at weatherprotected locations
    14/30295302 DC : 0 BS EN 61587-1 ED. 4.0 - MECHANICAL STRUCTURES FOR ELECTRONIC EQUIPMENT - TESTS FOR IEC 60917 AND IEC 60297 SERIES - PART 1: ENVIRONMENTAL REQUIREMENTS, TEST SET-UP AND SAFETY ASPECTS FOR CABINETS, RACKS, SUBRACKS AND CHASSIS UNDER INDOOR CONDITIONS
    I.S. EN 50491-2:2010 GENERAL REQUIREMENTS FOR HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) AND BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) - PART 2: ENVIRONMENTAL CONDITIONS
    PD CLC/TR 62685:2011 Industrial communication networks. Profiles. Assessment guideline for safety devices using IEC 61784-3 functional safety communication profiles (FSCPs)
    BS EN 62974-1:2017 Monitoring and measuring systems used for data collection, gathering and analysis Device requirements
    BS EN 61643-312:2013 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 312: SELECTION AND APPLICATION PRINCIPLES FOR GAS DISCHARGE TUBES
    CLC/TS 62603-1:2014 Industrial process control systems - Guideline for evaluating process control systems - Part 1: Specifications
    BS EN 60687:1993 ALTERNATING CURRENT STATIC WATT HOUR METERS FOR ACTIVE ENERGY (CLASSES 0.2S AND 0.5S)
    PD IEC/TR 61916:2017 ELECTRICAL ACCESSORIES - HARMONIZATION OF GENERAL RULES
    15/30325784 DC : 0 BS EN 62974-1 - MONITORING AND MEASURING SYSTEMS USED FOR DATA COLLECTION, GATHERING AND ANALYSIS - PART 1: DEVICE REQUIREMENTS
    I.S. EN 61810-1:2015 ELECTROMECHANICAL ELEMENTARY RELAYS - PART 1: GENERAL AND SAFETY REQUIREMENTS
    12/30259054 DC : DRAFT JAN 2012 BS EN 60794-2-20 - OPTICAL FIBRE CABLES - PART 2-20: INDOOR CABLES - FAMILY SPECIFICATION FOR MULTI-FIBRE OPTICAL DISTRIBUTION CABLES
    I.S. EN 50125-3:2003 RAILWAY APPLICATION - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 3: EQUIPMENT FOR SIGNALLING AND TELECOMMUNICATIONS
    PD CEN ISO/TS 14907-1:2015 Electronic fee collection. Test procedures for user and fixed equipment Description of test procedures
    BS 7415(1991) : 1991 AMD 7674 SPECIFICATION FOR TIME SWITCHES FOR TARIFF AND LOAD CONTROL
    11/30258040 DC : 0 BS EN 61810-1 - ELECTROMECHANICAL ELEMENTARY RELAYS - PART 1: GENERAL REQUIREMENTS
    10/30181171 DC : 0 BS EN 62586 - POWER QUALITY MONITORING DEVICES IN POWER SUPPLY SYSTEMS
    BS EN 61036:1997 ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
    CEI EN 60794-2-41 : 2009 OPTICAL FIBRE CABLES - PART 2-41: INDOOR CABLES - PRODUCT SPECIFICATION FOR SIMPLEX AND DUPLEX BUFFERED A4 FIBRES
    CEI EN 62488-2 : 1ED 2018 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 2: ANALOGUE POWER LINE CARRIER TERMINALS OR APLC
    BS EN 60664-5:2003 INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PART 5: COMPREHENSIVE METHOD FOR DETERMINING CLEARANCES AND CREEPAGE DISTANCES EQUAL TO OR LESS THAN 2 MM
    17/30333935 DC : 0 BS EN 1300 - SECURE STORAGE UNITS - CLASSIFICATION FOR HIGH SECURITY LOCKS ACCORDING TO THEIR RESISTANCE TO UNAUTHORIZED OPENING
    CEI EN 60654-1 : 1998 INDUSTRIAL-PROCESS MEASUREMENTS AND CONTROL EQUIPMENT - OPERATING CONDITIONS - PART 1: CLIMATIC CONDITIONS
    DD CEN ISO/TS 14907-1:2010 Electronic fee collection. Test procedures for user and fixed equipment Description of test procedures
    CEI EN 50125-2 : 2003 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
    12/30238970 DC : 0 BS EN 60204-31 - SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 31: PARTICULAR SAFETY AND EMC REQUIREMENTS FOR SEWING MACHINES, UNITS AND SYSTEMS
    11/30251478 DC : 0 BS EN 1300 - SECURE STORAGE UNITS - CLASSIFICATION FOR HIGH SECURITY LOCKS ACCORDING TO THEIR RESISTANCE TO UNAUTHORIZED OPENING
    BS PD IEC TR 62685 : 2010 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - ASSESSMENT GUIDELINE FOR SAFETY DEVICES USING IEC 61784-3 FUNCTIONAL SAFETY COMMUNICATION PROFILES (FSCPS)
    CEI EN 60051-1 : 1999 DIRECT ACTING INDICATING ANALOGUE ELECTRICAL MEASURING INSTRUMENTS AND THEIR ACCESSORIES - PART 1: DEFINITIONS AND GENERAL REQUIREMENTS COMMON TO ALL PARTS
    UNE-EN 1300:2014 Secure storage units - Classification for high security locks according to their resistance to unauthorized opening
    96/211436 DC : DRAFT SEP 1996 IEC 60721-3-0 - CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 0: INTRODUCTION AND GUIDE
    NF EN 60947-5-5 : 1998 AMD 2 2017 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-5: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - ELECTRICAL EMERGENCY STOP DEVICE WITH MECHANICAL LATCHING FUNCTION
    INCITS/ISO/IEC 13614 : 1995 INFORMATION TECHNOLOGY - INTERCHANGE ON 300 MM OPTICAL DISK CARTRIDGES OF THE WRITE ONCE, READ MULTIPLE (WORM) TYPE USING THE SSF METHOD
    I.S. EN 60044-8:2002 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    TS 136 104 : 13.3.0 LTE; EVOLVED UNIVERSAL TERRESTRIAL RADIO ACCESS (E-UTRA); BASE STATION (BS) RADIO TRANSMISSION AND RECEPTION (3GPP TS 36.104 VERSION 14.7.0 RELEASE 14)
    CSA C60044-8 : 2007 : R2016 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    CEI EN 60747-15 : 2012 SEMICONDUCTOR DEVICES - DISCRETE DEVICES - PART 15: ISOLATED POWER SEMICONDUCTOR DEVICES
    I.S. EN 60694:1999 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    S.R. HD 60364-5-51:2009 ELECTRICAL INSTALLATIONS OF BUILDINGS - PART 5-51: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - COMMON RULES
    I.S. EN 61643-311:2013 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 311: PERFORMANCE REQUIREMENTS AND TEST CIRCUITS FOR GAS DISCHARGE TUBES (GDT) (IEC 61643-311:2013 (EQV))
    I.S. EN 60512-11-14:2003 ELECTROMECHANICAL COMPONENTS FOR ELECTRONIC EQUIPMENT - BASIC TESTING PROCEDURES AND MEASURING METHODS - CLIMATIC TESTS - FLOWING SINGLE GAS CORROSION TEST
    PD IEC TR 63040:2016 Guidance on clearances and creepage distances in particular for distances equal to or less than 2 mm. Test results of research on influencing parameters
    I.S. EN 60204-31:2013 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 31: PARTICULAR SAFETY AND EMC REQUIREMENTS FOR SEWING MACHINES, UNITS AND SYSTEMS (IEC 60204-31:2013 (EQV))
    EN 62271-1:2017 High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear
    I.S. EN 62586-1:2017 POWER QUALITY MEASUREMENT IN POWER SUPPLY SYSTEMS - PART 1: POWER QUALITY INSTRUMENTS (PQI)
    OIML D 11 : 2013 GENERAL REQUIREMENTS FOR MEASURING INSTRUMENTS - ENVIRONMENTAL CONDITIONS
    IEC TR 63040:2016 Guidance on clearances and creepage distances in particular for distances equal to or less than 2 mm - Test results of research on influencing parameters
    I.S. EN 60495:1994 SINGLE SIDEBAND POWER-LINE CARRIER TERMINALS
    IEC 60605-3-3:1992 Equipment reliability testing - Part 3: Preferred test conditions - Section 3: Test Cycle 3: Equipment for stationary use in partially weatherprotected locations - Low degree of simulation
    UNE-EN 61812-1:2012 Time relays for industrial and residential use - Part 1: Requirements and tests
    BS EN 61557-8:2015 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures Insulation monitoring devices for IT systems
    04/30125208 DC : DRAFT NOV 2004 IEC 61557-8 ED.2 - ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. V D.C. EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 8: INSULATION MONITORING DEVICES FOR IT SYSTEMS
    13/30238229 DC : 0 BS EN 62052-31 - ELECTRICITY METERING EQUIPMENT (AC) - GENERAL REQUIREMENTS, TEST AND TEST CONDITIONS - PART 31: PRODUCT SAFETY REQUIREMENTS
    BS EN 62477-1 : 2012 SAFETY REQUIREMENTS FOR POWER ELECTRONIC CONVERTER SYSTEMS AND EQUIPMENT - PART 1: GENERAL (IEC 62477-1:2012)
    IEC 60687:1992 Alternating current static watt-hour meters for active energy (classes 0,2 S and 0,5 S)
    CEI EN 61800-1 : 2000 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 1: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR LOW VOLTAGE ADJUSTABLE SPEED D.C. POWER DRIVE SYSTEMS
    EN 62052-31:2016 Electricity metering equipment (AC) - General requirements, tests and test conditions - Part 31: Product safety requirements and tests
    EN 61268:1996 Alternating current static var-hour meters for reactive energy (classes 2 and 3)
    EN 60794-2-20:2014 Optical fibre cables - Part 2-20: Indoor cables - Family specification for multi-fibre optical cables
    HD 384.5.51 : 200S2 ELECTRICAL INSTALLATION OF BUILDINGS - PART 5: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - CHAPTER 51: COMMON RULES
    CLC/TS 61643-22:2016 Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles
    EN 60794-2-41 : 2008 OPTICAL FIBRE CABLES - PART 2-41: INDOOR CABLES - PRODUCT SPECIFICATION FOR SIMPLEX AND DUPLEX BUFFERED A4 FIBRES
    EN 60694:1996/A2:2001 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
    HD 60364-5-51:2009/A12:2017 ELECTRICAL INSTALLATIONS OF BUILDINGS - PART 5-51: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - COMMON RULES
    EN 60747-15:2012 Semiconductor devices - Discrete devices - Part 15: Isolated power semiconductor devices
    EN 50125-3 : 2003 COR 2010 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 3: EQUIPMENT FOR SIGNALLING AND TELECOMMUNICATIONS
    EN 61204-6:2001 Low-voltage power supplies, DC output - Part 6: Requirements for low-voltage power supplies of assessed performance
    EN 62040-5-3:2017 Uninterruptible power systems (UPS) - Part 5-3: DC output UPS - Performance and test requirements
    EN 50065-4-2 : 2001 AMD 2 2005 SIGNALLING ON LOW VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ - PART 4-2: LOW VOLTAGE DECOUPLING FILTERS - SAFETY REQUIREMENTS
    EN 60687:1992/corrigendum:1993 ALTERNATING CURRENT STATIC WATT HOUR METERS FOR ACTIVE ENERGY (CLASSES 0.2S AND 0.5S)
    EN 62586-1:2017 Power quality measurement in power supply systems - Part 1: Power quality instruments (PQI)
    EN 61850-3:2014 Communication networks and systems for power utility automation - Part 3: General requirements
    EN 60870-2-2:1996 Telecontrol equipment and systems - Part 2: Operating conditions - Section 2: Environmental conditions (climatic, mechanical and other non-electrical influences)
    EN 60794-2-10:2011 Optical fibre cables - Part 2-10: Indoor optical fibre cables - Family specification for simplex and duplex cables
    EN 60721-3-7:1995/A1:1997 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 7: PORTABLE AND NON-STATIONARY USE
    EN 60512-11-14:2003 Connectors for electronic equipment - Tests and measurements - Part 11-14: Climatic tests - Test 11p: Flowing single gas corrosion test
    EN 60495:1994 Single sideband power-line carrier terminals
    12/30255394 DC : DRAFT APR 2012 BS EN 62586-1 - POWER QUALITY MEASUREMENT IN POWER SUPPLY SYSTEMS - POWER QUALITY INSTRUMENTS (PQI)
    03/318812 DC : DRAFT NOV 2003 IEC 62257-3 TS ED.1 - RECOMMENDATIONS FOR SMALL RENEWABLE ENERGY AND HYBRID SYSTEMS FOR RURAL ELECTRIFICATION - PART 3: PROJECT DEVELOPMENT AND MANAGEMENT
    IEC 60364-3:1993 Electrical installations of buildings - Part 3: Assessment of general characteristics
    14/30297601 DC : 0 BS EN 61643-351 - COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST CIRCUITS FOR LIGHTNING ISOLATION TRANSFORMERS (LIT)
    NF EN 60664-5 : 2008 INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PART 5: COMPREHENSIVE METHOD FOR DETERMINING CLEARANCES AND CREEPAGE DISTANCES EQUAL TO OR LESS THAN 2 MM
    CEI EN 60794-3-30 : 2010 OPTICAL FIBRE CABLES - PART 3-30: OUTDOOR CABLES - FAMILY SPECIFICATION FOR OPTICAL TELECOMMUNICATION CABLES FOR LAKES, RIVER CROSSINGS AND COASTAL APPLICATION
    BS EN 60044-1:1999 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    BS 5760-18(1997) : 1997 AMD 10390 RELIABILITY OF SYSTEMS, EQUIPMENT AND COMPONENTS - REFERENCE CONDITIONS FOR FAILURE RATES OF ELECTRONIC COMPONENTS AND STRESS MODELS FOR CONVERSION
    NF EN 61869-1 : 2009 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    PD CLC/TS 61643-22:2016 Low-voltage surge protective devices Surge protective devices connected to telecommunications and signalling networks. Selection and application principles
    PD IEC TR 60721-4-7:2001 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 4-7: GUIDANCE FOR THE CORRELATION AND TRANSFORMATION OF ENVIRONMENTAL CONDITION CLASSES OF IEC 60721-3 TO THE ENVIRONMENTAL TESTS OF IEC 60068 - PORTABLE AND NON-STATIONARY USE
    BS EN 60794-2-20:2014 (published 2014-06) Optical fibre cables Indoor cables. Family specification for multi-fibre optical cables
    BS EN 61037:1993 ELECTRICITY METERING - TARIFF AND LOAD CONTROL - PARTICULAR REQUIREMENTS FOR ELECTRONIC RIPPLE CONTROL RECEIVERS
    02/203604 DC : DRAFT MAR 2002 IEC 61810-1. ED.2 - ELEMENTARY RELAYS - PART 1: SAFETY-RELATED AND GENERAL REQUIREMENTS
    EN 61800-2:2015 Adjustable speed electrical power drive systems - Part 2: General requirements - Rating specifications for low voltage adjustable speed a.c. power drive systems
    BS EN 62040-5-3:2017 Uninterruptible power systems (UPS) DC output UPS. Performance and test requirements
    PD CLC/TS 62603-1:2014 Industrial process control systems. Guideline for evaluating process control systems Specifications
    CEI EN 61643-341 : 2002 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 341: SPECIFICATION FOR THYRISTOR SURGE SUPPRESSOR (TSS)
    BS EN 50125-3:2003 Railway applications. Environmental conditions for equipment Equipment for signalling and telecommunications
    EN 61643-351:2017 Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
    03/112283 DC : DRAFT AUG 2003 EN 1300 - SECURE STORAGE UNITS - CLASSIFICATION FOR HIGH SECURITY LOCKS ACCORDING TO THEIR RESISTANCE TO UNAUTHORIZED OPENING
    I.S. EN 60051-1:2017 DIRECT ACTING INDICATING ANALOGUE ELECTRICAL MEASURING INSTRUMENTS AND THEIR ACCESSORIES - PART 1: DEFINITIONS AND GENERAL REQUIREMENTS COMMON TO ALL PARTS - PROPOSED HORIZONTAL STANDARD
    BS EN 62586-1:2017 Power quality measurement in power supply systems Power quality instruments (PQI)
    DIN EN 60687 : 1994 ALTERNATING-CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 0.2 S AND 0.5 S)
    09/30184127 DC : 0 BS EN 61709 - ELECTRONIC COMPONENTS - RELIABILITY - REFERENCE CONDITIONS FOR FAILURE RATES AND STRESS MODELS FOR CONVERSION
    I.S. EN 60747-15:2012 SEMICONDUCTOR DEVICES - DISCRETE DEVICES - PART 15: ISOLATED POWER SEMICONDUCTOR DEVICES (IEC 60747-15:2010 (EQV))
    TS 125 142 : 13.0.1 UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); BASE STATION (BS) CONFORMANCE TESTING (TDD) (3GPP TS 25.142 VERSION 13.1.0 RELEASE 13)
    BS EN 61643-21 : 2001 LOW VOLTAGE SURGE PROTECTIVE DEVICES - PART 21: SURGE PROTECTIVE DEVICES CONNECTED TO TELECOMMUNICATIONS AND SIGNALLING NETWORKS - PERFORMANCE REQUIREMENTS AND TESTING METHODS
    BS EN 50065-4-7:2005 (published 2008-01) Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz and 1,6 MHz to 30 MHz Portable low voltage decoupling filters. Safety requirements
    BS EN 60794-2-10:2011 Optical fibre cables Indoor optical fibre cables. Family specification for simplex and duplex cables
    04/30111859 DC : 0 IEC 62271-1 - HIGH-VOLTAGE SWITCHGEAR AND CONTROL GEAR - PART 1: COMMON SPECIFICATIONS
    CEI EN 60512-11-14 : 2004 CONNECTORS FOR ELECTRONIC EQUIPMENT - TESTS AND MEASUREMENTS - PART 11-14: CLIMATIC TESTS - TEST 11P: FLOWING SINGLE GAS CORROSION TEST
    S.R. CLC/TR 62685:2011 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - ASSESSMENT GUIDELINE FOR SAFETY DEVICES USING IEC 61784-3 FUNCTIONAL SAFETY COMMUNICATION PROFILES (FSCPS) (IEC/TR 62685:2010 (EQV))
    CEI EN 62488-1 : 2013 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 1: PLANNING OF ANALOGUE AND DIGITAL POWER LINE CARRIER SYSTEMS OPERATING OVER EHV/HV/MV ELECTRICITY GRIDS
    BS EN 61810-1:2015 ELECTROMECHANICAL ELEMENTARY RELAYS - PART 1: GENERAL AND SAFETY REQUIREMENTS
    CEI EN 61810-1 : 2016 ELECTROMECHANICAL ELEMENTARY RELAYS - PART 1: GENERAL AND SAFETY REQUIREMENTS
    CSA C60044-8 : 2007 : R2011 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    BS EN 61587-1:2017 Mechanical structures for electronic equipment. Tests for IEC 60917 and IEC 60297 series Environmental requirements, test set-up and safety aspects for cabinets, racks, subracks and chassis under indoor condition use and transportation
    ISO 7240-16:2007 Fire detection and alarm systems Part 16: Sound system control and indicating equipment
    IEC 62498-2:2010 Railway applications - Environmental conditions for equipment - Part 2: Fixed electrical installations
    TS 125 105 : 13.0.1 UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); BASE STATION (BS) RADIO TRANSMISSION AND RECEPTION (TDD) (3GPP TS 25.105 VERSION 13.2.0 RELEASE 13)
    BS EN 60044-8:2002 Instrument transformers Electronic current transformers
    I.S. EN 62271-1:2017 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 1: COMMON SPECIFICATIONS FOR ALTERNATING CURRENT SWITCHGEAR AND CONTROLGEAR
    EN 50470-1:2006 Electricity metering equipment (a.c.) - Part 1: General requirements, tests and test conditions - Metering equipment (class indexes A, B and C)
    I.S. EN 62040-5-3:2017 UNINTERRUPTIBLE POWER SYSTEMS (UPS) - PART 5-3: DC OUTPUT UPS - PERFORMANCE AND TEST REQUIREMENTS
    BS EN 62052-21 : 2004 ELECTRICITY METERING EQUIPMENT (A.C.) - GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - PART 21: TARIFF AND LOAD CONTROL EQUIPMENT (IEC 62052-21:2004)
    I.S. EN 61850-3:2014 COMMUNICATION NETWORKS AND SYSTEMS FOR POWER UTILITY AUTOMATION - PART 3: GENERAL REQUIREMENTS
    BS PD ISO/IEC TR 29106 : 2007 INFORMATION TECHNOLOGY - GENERIC CABLING - INTRODUCTION TO THE MICE ENVIRONMENTAL CLASSIFICATION
    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
    EN 50173-1:2011 Information technology - Generic cabling systems - Part 1: General requirements
    PREN 54-2 : DRAFT 2016 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 2: CONTROL AND INDICATING EQUIPMENT
    CLC/TR 62685 : 2011 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - ASSESSMENT GUIDELINE FOR SAFETY DEVICES USING IEC 61784-3 FUNCTIONAL SAFETY COMMUNICATION PROFILES (FSCPS) (IEC/TR 62685:2010)
    IEC 61643-351:2016 Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
    NF EN 61800-2 : 2015 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 2: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR LOW VOLTAGE ADJUSTABLE FREQUENCY A.C. POWER DRIVE SYSTEMS
    IEC 61800-2:2015 Adjustable speed electrical power drive systems - Part 2: General requirements - Rating specifications for low voltage adjustable speed a.c. power drive systems
    IEC 61643-22:2015 Low-voltage surge protective devices - Part 22: Surge protective devices connected to telecommunications and signalling networks - Selection and application principles
    IEC 60605-3-6:1996 Equipment reliability testing - Part 3: Preferred test conditions - Section 6: Test cycle 6: Outdoor transportable equipment - Low degree of simulation
    IEC 60051-1:2016 Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: Definitions and general requirements common to all parts
    IEC 62689-1:2016 Current and voltage sensors or detectors, to be used for fault passage indication purposes - Part 1: General principles and requirements
    BS EN 61800-1:1998 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 1: RATING SPECIFICATIONS FOR LOW VOLTAGE ADJUSTABLE SPEED D.C. POWER DRIVE SYSTEMS
    IEC 61204-6:2000 Low-voltage power supplies, d.c. output - Part 6: Requirements for low-voltage power supplies of assessed performance
    SCTE 186 : 2016 PRODUCT ENVIRONMENTAL REQUIREMENTS FOR CABLE TELECOMMUNICATIONS
    EN 60947-5-5 : 1997 AMD 2 2016 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 5-5: CONTROL CIRCUIT DEVICES AND SWITCHING ELEMENTS - ELECTRICAL EMERGENCY STOP DEVICE WITH MECHANICAL LATCHING FUNCTION (IEC 60947-5-5:1997/A2:2016)
    EN 61800-1:1998 Adjustable speed electrical power drive systems - Part 1: General requirements - Rating specifications for low voltage adjustable speed d.c. power drive systems