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  • EN 60721-3-3 : 95 AMD 2 97

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 - CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STATIONARY USE AT WEATHER-PROTECTED LOCATIONS

    Available format(s): 

    Superseded date:  29-07-2019

    Language(s): 

    Published date:  12-01-2013

    Publisher:  European Committee for Standards - Electrical

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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
    Tables
    Figure
    Annexes
    A. Survey of conditions affecting the choice of
         environmental parameters and their severities
    B. Climatograms
    C. Examples for practical application of the
         classification specified in this standard
    D. Summary of conditions covered by sets of class
         combinations
    E. (normative) Explanation of the environmental conditions in
         tropical areas as specified in classes 3K9 and 3K10
    ZA. (informative) Other international publications quoted
         in this standard with the references of the relevant
         European publications

    Abstract - (Show below) - (Hide below)

    Specifies groups of environmental parameters and their severities to which products are subjected when mounted for stationary use at weatherprotected locations. Limited to those which may directly affect the performance of products. No special description of the effects of these conditions is given. Environmental conditions directly related to ionizing radiation are excluded. Any other unforeseen incidents are also excluded. Microclimate within a product is not included.

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

    Committee SR 104
    Development Note Supersedes HD 478.3.3 (05/2001)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Superseded
    Superseded By

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

    CEI EN 62974-1 : 1ED 2017 MONITORING AND MEASURING SYSTEMS USED FOR DATA COLLECTION, GATHERING AND ANALYSIS - PART 1: DEVICE REQUIREMENTS
    UNI EN 1300 : 2014 SECURE STORAGE UNITS - CLASSIFICATION FOR HIGH SECURITY LOCKS ACCORDING TO THEIR RESISTANCE TO UNAUTHORIZED OPENING
    BS EN 60044-2 : 1999 INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS
    BS EN 61800-2:2015 (published 2015-10) Adjustable speed electrical power drive systems General requirements. Rating specifications for low voltage adjustable speed a.c. power drive systems
    11/30251717 DC : 0 BS EN 81-20 - SAFETY RULES FOR THE CONSTRUCTION AND INSTALLATION OF LIFTS - LIFTS FOR THE TRANSPORT OF PERSONS AND GOODS - PART 20: PASSENGER AND GOODS PASSENGER LIFTS
    CEI EN 60794-2-42 : 2009 OPTICAL FIBRE CABLES - PART 2-42: INDOOR OPTICAL FIBRE CABLES - PRODUCT SPECIFICATION FOR SIMPLEX AND DUPLEX CABLES WITH A4 FIBRES
    CEI EN 60044-8 : 2004 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRASFORMERS
    BS EN 60654-1 : 1993 INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL EQUIPMENT - OPERATING CONDITIONS - PART 1: CLIMATIC CONDITIONS
    BS EN 60255-1 : 2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    BS EN 61869-1 : 2009 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    EN 61587-1:2017 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 CONDITION USE AND TRANSPORTATION
    VDI 4443:2008-12 Contactless energy transfer for mobile systems of piece goods conveying
    BS EN 54-16 : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT
    CEI 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
    DIN CEN ISO/TS 14907-1;DIN SPEC 91192:2015-12 ELECTRONIC FEE COLLECTION - TEST PROCEDURES FOR USER AND FIXED EQUIPMENT - PART 1: DESCRIPTION OF TEST PROCEDURES (ISO/TS 14907-1:2015)
    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
    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
    CEI EN 62586-1 : 2016 POWER QUALITY MEASUREMENT IN POWER SUPPLY SYSTEMS - PART 1: POWER QUALITY INSTRUMENTS (PQI)
    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)
    BS EN 62488-2:2017 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 2: ANALOGUE POWER LINE CARRIER TERMINALS OR APLC (IEC 62488-2:2017)
    BS EN 60044-7 : 2000 INSTRUMENT TRANSFORMERS - PART 7 - ELECTRONIC VOLTAGE TRANSFORMERS
    CLC/TS 62603-1 : 2014 Industrial process control systems - Guideline for evaluating process control systems - Part 1: Specifications
    BS EN 61020-1:2009 (published 2013-05) Electromechanical switches for use in electrical and electronic equipment Generic specification
    CEI EN 50125-3 : 2004 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 3: EQUIPMENT FOR SIGNALLING AND TELECOMMUNICATIONS
    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 (IEC 61800-2:2015)
    I.S. EN 50173-1:2011 INFORMATION TECHNOLOGY - GENERIC CABLING SYSTEMS - PART 1: GENERAL REQUIREMENTS
    I.S. EN 61810-1:2015 ELECTROMECHANICAL ELEMENTARY RELAYS - PART 1: GENERAL AND SAFETY REQUIREMENTS
    I.S. EN 60794-2-42:2008 OPTICAL FIBRE CABLES - PART 2-42: INDOOR OPTICAL FIBRE CABLES - PRODUCT SPECIFICATION FOR SIMPLEX AND DUPLEX CABLES WITH A4 FIBRES
    CEI EN 61557-8 : 2016 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 8: INSULATION MONITORING DEVICES FOR IT SYSTEMS
    04/30105620 DC : DRAFT OCT 2004 EN 54-21 - FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 21: ALARM TRANSMISSION AND FAULT WARNING ROUTING EQUIPMENT
    UNE-EN 16704-2-1:2017 Railway applications - Track - Safety protection on the track during work - Part 2-1: Common solutions and technologies - Technical requirements for Track Warning Systems (TWS)
    BS EN 61643-341 : 2001 LOW VOLTAGE SURGE PROTECTIVE DEVICES - SPECIFICATION FOR THYRISTOR SURGE SUPPRESSORS (TSS)
    12/30254899 DC : 0 BS EN 54-2 - FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 2: CONTROL AND INDICATING EQUIPMENT
    CEI EN 62052-21 : 2005 ELECTRICITY METERING EQUIPMENT (AC) - GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - PART 21: TARIFF AND LOAD CONTROL EQUIPMENT
    BS PD CLC/TS 62603-1 : 2014 INDUSTRIAL PROCESS CONTROL SYSTEMS - GUIDELINES FOR EVALUATING PROCESS CONTROL SYSTEMS - PART 1: SPECIFICATIONS
    CEI EN 61643-341 : 2002 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 341: SPECIFICATION FOR THYRISTOR SURGE SUPPRESSOR (TSS)
    I.S. EN 50125-3:2003 RAILWAY APPLICATION - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 3: EQUIPMENT FOR SIGNALLING AND TELECOMMUNICATIONS
    BS EN 62040-5-3:2017 (published 2017-02) Uninterruptible power systems (UPS) DC output UPS. Performance and test requirements
    PD CEN ISO/TS 14907-1:2015 Electronic fee collection. Test procedures for user and fixed equipment Description of test procedures
    BS EN 60794-3-30 : 2008 OPTICAL FIBRES - PART 3-30: OUTDOOR CABLES - FAMILY SPECIFICATION FOR OPTICAL TELECOMMUNICATION CABLES FOR LAKES, RIVER CROSSINGS AND COASTAL APPLICATION
    DIN EN 54-16 E : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT
    S.R. CLC/TS 62603-1:2014 INDUSTRIAL PROCESS CONTROL SYSTEMS - GUIDELINE FOR EVALUATING PROCESS CONTROL SYSTEMS - PART 1: SPECIFICATIONS
    CEI EN 50065-4-7 : 2007 SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ AND FROM 1,6 MHZ TO 30 MHZ - PART 4-7: PORTABLE LOW VOLTAGE DECOUPLING FILTERS - SAFETY REQUIREMENTS
    CEI EN 60721-3-1 : 1998 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3-1: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 1: STORAGE
    BS EN 60794-2-42 : 2008 OPTICAL FIBRE CABLES - PART 2-42: INDOOR OPTICAL FIBRE CABLES - PRODUCT SPECIFICATION FOR SIMPLEX AND DUPLEX CABLES WITH A4 FIBRES
    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 61800-4 : 2003 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 4: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR A.C. POWER DRIVE SYSTEMS ABOVE 1000 V A.C. AND NOT EXCEEDING 35 KV
    BS EN 61036 : 1997 ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
    BS 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)
    BS EN 62974-1:2017 Monitoring and measuring systems used for data collection, gathering and analysis Device requirements
    CEI EN 61643-351 : 1ED 2017 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST METHODS FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SIT)
    BS EN 61204-6 : 2001 LOW VOLTAGE POWER SUPPLIES, D.C. OUTPUT - PART 6: REQUIREMENTS FOR LOW-VOLTAGE POWER SUPPLIES OF ASSESSED PERFORMANCE
    BS EN 50125-3 : 2003 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 3: 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) (IEC 61643-351:2016)
    BS EN 62586-1:2017 Power quality measurement in power supply systems Power quality instruments (PQI)
    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
    UNE-EN 1300:2014 Secure storage units - Classification for high security locks according to their resistance to unauthorized opening
    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
    PREN 50171 : DRAFT 2013 CENTRAL SAFETY POWER SUPPLY SYSTEMS
    13/30251809 DC : 0 BS EN 50171 - CENTRAL SAFETY POWER SUPPLY SYSTEMS
    BS EN 50463 : 2007 RAILWAY APPLICATIONS - ENERGY MEASUREMENT ON BOARD TRAINS
    CEI EN 62488-2 : 1ED 2018 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 2: ANALOGUE POWER LINE CARRIER TERMINALS OR APLC
    I.S. EN 60747-15:2012 SEMICONDUCTOR DEVICES - DISCRETE DEVICES - PART 15: ISOLATED POWER SEMICONDUCTOR DEVICES (IEC 60747-15:2010 (EQV))
    DD CEN ISO/TS 14907-1 : 2010 ELECTRONIC FEE COLLECTION - TEST PROCEDURES FOR USER AND FIXED EQUIPMENT - PART 1: DESCRIPTION OF TEST PROCEDURES (ISO/TS 14907-1:2010)
    CEI EN 60654-1 : 1998 INDUSTRIAL-PROCESS MEASUREMENTS AND CONTROL EQUIPMENT - OPERATING CONDITIONS - PART 1: CLIMATIC CONDITIONS
    BS EN 60051-1:2017 Direct acting indicating analogue electrical measuring instruments and their accessories Definitions and general requirements common to all parts
    BS EN 61643-11 : 2012 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 11: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER SYSTEMS - REQUIREMENTS AND TEST METHODS
    BS EN 50125-2 : 2002 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
    UNE-EN 62974-1:2018 Monitoring and measuring systems used for data collection, gathering and analysis - Part 1: Device requirements
    BS EN 60747-15:2012 Semiconductor devices. Discrete devices Isolated power semiconductor devices
    CEI EN 60721-3-9 : 1997 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 9: MICROCLIMATES INSIDE PRODUCTS
    CEI EN 61587-1 : 2012 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 CONDITION USE AND TRANSPORTATION
    EN 62974-1 : 2017 MONITORING AND MEASURING SYSTEMS USED FOR DATA COLLECTION, GATHERING AND ANALYSIS - PART 1: DEVICE REQUIREMENTS (IEC 62974-1:2017)
    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
    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
    BS EN 50065-4-2 : 2002 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
    CEI EN 62052-11 : 2003 ELECTRICITY METERING EQUIPMENT (AC) - GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - PART 11: METERING EQUIPMENT
    BS EN 60721-3-1 : 1997 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - PART 3-1: STORAGE
    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
    BS EN 50178:1998 Electronic equipment for use in power installations
    I.S. EN 62477-1:2012 SAFETY REQUIREMENTS FOR POWER ELECTRONIC CONVERTER SYSTEMS AND EQUIPMENT - PART 1: GENERAL
    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))
    03/314480 DC : DRAFT SEP 2003 EN 50065-4-7 - SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ AND FROM 1,6 MHZ TO 30 MHZ - PART 4-7: SAFETY OF PORTABLE FILTERS
    BS EN 60512-11-14:2003 (published 2003-11) Connectors for electronic equipment. Tests and measurements. Climatic tests Flowing single gas corrosion test
    BS EN 60794-2-41 : 2008 OPTICAL FIBRE CABLES - PART 2-41: INDOOR CABLES - PRODUCT SPECIFICATION FOR SIMPLEX AND DUPLEX BUFFERED A4 FIBRES
    CEI EN 50173-1 : 2011 INFORMATION TECHNOLOGY - GENERIC CABLING SYSTEMS - PART 1: GENERAL REQUIREMENTS
    DIN EN 60654-1:1994-02 INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL EQUIPMENT; OPERATING CONDITIONS; PART 1: CLIMATIC CONDITIONS
    CEI EN 50125-2 : 2003 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
    CEI CLC/TR 62685 : 2012 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - ASSESSMENT GUIDELINE FOR SAFETY DEVICES USING IEC 61784-3 FUNCTIONAL SAFETY COMMUNICATION PROFILES (FSCPS)
    CEI EN 61810-1 : 2016 ELECTROMECHANICAL ELEMENTARY RELAYS - PART 1: GENERAL AND SAFETY REQUIREMENTS
    BS EN 60044-8:2002 Instrument transformers Electronic current transformers
    CEI EN 61869-1 : 2010 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    I.S. EN 60044-8:2002 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    BS EN 61810-1:2015 ELECTROMECHANICAL ELEMENTARY RELAYS - PART 1: GENERAL AND SAFETY REQUIREMENTS
    BS EN 1300:2013 SECURE STORAGE UNITS - CLASSIFICATION FOR HIGH SECURITY LOCKS ACCORDING TO THEIR RESISTANCE TO UNAUTHORIZED OPENING
    CEI EN 60747-15 : 2012 SEMICONDUCTOR DEVICES - DISCRETE DEVICES - PART 15: ISOLATED POWER SEMICONDUCTOR DEVICES
    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 60512-11-14:2003 ELECTROMECHANICAL COMPONENTS FOR ELECTRONIC EQUIPMENT - BASIC TESTING PROCEDURES AND MEASURING METHODS - CLIMATIC TESTS - FLOWING SINGLE GAS CORROSION TEST
    EN 62488-2:2017 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 2: ANALOGUE POWER LINE CARRIER TERMINALS OR APLC (IEC 62488-2:2017)
    BS EN 60947-5-5:1998 Low-voltage switchgear and controlgear Control circuit devices and switching elements. Electrical emergency stop devices with mechanical latching function
    I.S. HD 60364-5-51:2009 ELECTRICAL INSTALLATIONS OF BUILDINGS - PART 5-51: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - COMMON RULES (IEC 60364-5-51:2005 (MOD))
    EN 61810-1:2015/AC:2018-04 ELECTROMECHANICAL ELEMENTARY RELAYS - PART 1: GENERAL AND SAFETY REQUIREMENTS (IEC 61810-1:2015/COR1:2018)
    BS 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 61869-1:2009 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    I.S. 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 61643-11:2012 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 11: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER SYSTEMS - REQUIREMENTS AND TESTS METHODS
    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 EN 50173-1:2011 INFORMATION TECHNOLOGY - GENERIC CABLING SYSTEMS - PART 1: GENERAL 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 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 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 62586-1:2017 POWER QUALITY MEASUREMENT IN POWER SUPPLY SYSTEMS - PART 1: POWER QUALITY INSTRUMENTS (PQI)
    BS EN 62052-11 : 2003 ELECTRICITY METERING EQUIPMENT (AC) - GENERAL REQUIREMENTS, TEST AND TEST CONDITIONS - PART 11: METERING EQUIPMENT (IEC 62052-11:2003)
    I.S. 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)
    I.S. CEN ISO TS 14907-1:2005 ROAD TRANSPORT AND TRAFFIC TELEMATICS - ELECTRONIC FEE COLLECTION - TEST PROCEDURES FOR USER AND FIXED EQUIPMENT - PART 1: DESCRIPTION OF TEST PROCEDURES
    I.S. HD 384.5.51:1998 ELECTRICAL INSTALLATIONS OF BUILDINGS - PART 5: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - CHAPTER 51: COMMON RULES
    BS EN 61587-1:2017 (published 2017-05) 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
    17/30333935 DC : 0 BS EN 1300 - SECURE STORAGE UNITS - CLASSIFICATION FOR HIGH SECURITY LOCKS ACCORDING TO THEIR RESISTANCE TO UNAUTHORIZED OPENING
    I.S. EN 62488-2:2017 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 2: ANALOGUE POWER LINE CARRIER TERMINALS OR APLC
    NF EN 50491-2 : 2011 AMD 1 2017 GENERAL REQUIREMENTS FOR HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) AND BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) - PART 2: ENVIRONMENTAL CONDITIONS
    16/30312379 DC : 0 BS EN 54-2 - FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 2: CONTROL AND INDICATING EQUIPMENT
    I.S. EN 61036:1997 ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
    I.S. EN 60495:1994 SINGLE SIDEBAND POWER-LINE CARRIER TERMINALS
    CEI EN 60255-1 : 2011 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    CEI EN 61800-4 : 2003 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 4: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR A/C/ POWER DRIVE SYSTEMS ABOVE 1000 V A.C. AND NOT EXCEEDING 35 KV
    I.S. EN 60721-3-7:1997 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 7: PORTABLE AND NON-STATIONARY USE
    UNI EN 54-16 : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM 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)
    I.S. EN 60255-1:2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    BS PD CLC/TR 62685 : 2011 INDUSTRIAL COMMUNICATION NETWORKS - PROFILES - ASSESSMENT GUIDELINE FOR SAFETY DEVICES USING IEC 61784-3 FUNCTIONAL SAFETY COMMUNICATION PROFILES (FSCPS)
    I.S. EN 50125-2:2003 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
    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
    S.R. CEN ISO/TS 14907-1:2015 ELECTRONIC FEE COLLECTION - TEST PROCEDURES FOR USER AND FIXED EQUIPMENT - PART 1: DESCRIPTION OF TEST PROCEDURES (ISO/TS 14907-1:2015)
    I.S. EN 50065-4-7:2005 SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ AND 1,6 MHZ TO 30 MHZ - PART 4-7: PORTABLE LOW VOLTAGE DECOUPLING FILTERS - SAFETY REQUIREMENTS
    CEI EN 61643-11 : 2014 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 11: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER SYSTEMS - REQUIREMENTS AND TEST METHODS
    EN 50173-1:2011 INFORMATION TECHNOLOGY - GENERIC CABLING SYSTEMS - PART 1: GENERAL REQUIREMENTS
    I.S. EN 60721-3-9:1994 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 9: MICROCLIMATES INSIDE PRODUCTS
    PREN 54-2 : DRAFT 2016 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 2: CONTROL AND INDICATING EQUIPMENT
    I.S. EN 62052-21:2004 ELECTRICITY METERING EQUIPMENT (AC) - GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - PART 21: TARIFF AND LOAD CONTROL EQUIPMENT
    I.S. EN 50090-2-2:1998 HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) - PART 2-2: SYSTEM OVERVIEW - GENERAL TECHNICAL REQUIREMENTS
    I.S. EN 62974-1:2017 MONITORING AND MEASURING SYSTEMS USED FOR DATA COLLECTION, GATHERING AND ANALYSIS - PART 1: DEVICE REQUIREMENTS
    I.S. HD 637:1999 POWER INSTALLATIONS EXCEEDING 1 KV A.C.
    I.S. 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
    I.S. EN 61800-4:2003 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 4: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR A.C. POWER DRIVE SYSTEMS ABOVE 1000 V A.C. AND NOT EXCEEDING 35 KV
    I.S. EN 60870-2-2:1999 TELECONTROL EQUIPMENT AND SYSTEMS - PART 2: OPERATING CONDITIONS - SECTION 2: ENVIRONMENTAL CONDITIONS (CLIMATIC, MECHANICAL AND OTHER NON-ELECTRICAL INFLUENCES)
    I.S. EN 54-16:2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT
    I.S. EN 61557-8:2015 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 8: INSULATION MONITORING DEVICES FOR IT SYSTEMS
    I.S. EN 1300:2013 SECURE STORAGE UNITS - CLASSIFICATION FOR HIGH SECURITY LOCKS ACCORDING TO THEIR RESISTANCE TO UNAUTHORIZED OPENING
    I.S. EN 50463:2007 RAILWAY APPLICATIONS - ENERGY MEASUREMENT ON BOARD TRAINS
    I.S. EN 60721-3-1:1999 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STORAGE
    I.S. EN 61587-1:2017 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 CONDITION USE AND TRANSPORTATION
    I.S. EN 61557-9:2015 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 9: EQUIPMENT FOR INSULATION FAULT LOCATION IN IT SYSTEMS
    EN 62477-1:2012/A1:2017 SAFETY REQUIREMENTS FOR POWER ELECTRONIC CONVERTER SYSTEMS AND EQUIPMENT - PART 1: GENERAL (IEC 62477-1:2012/A1:2016)
    EN 54-4:1997/A2:2006 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 4: POWER SUPPLY EQUIPMENT
    UNE-EN 50491-2:2011 General requirements for Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS) -- Part 2: Environmental conditions
    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
    BS EN 54-4 : 1998 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 4: POWER SUPPLY EQUIPMENT
    DIN EN 54-21 E : 2006 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 21: ALARM TRANSMISSION AND FAULT WARNING ROUTING EQUIPMENT
    95/214868 DC : 0 PREN 50178 - ELECTRONIC EQUIPMENT FOR USE IN POWER INSTALLATIONS
    BS EN 54-21 : 2006 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 21: ALARM TRANSMISSION AND FAULT WARNING ROUTING EQUIPMENT
    UNE-EN 61557-8:2016 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 - Part 8: Insulation monitoring devices for IT systems
    BS EN 62477-1 : 2012 SAFETY REQUIREMENTS FOR POWER ELECTRONIC CONVERTER SYSTEMS AND EQUIPMENT - PART 1: GENERAL (IEC 62477-1:2012)
    BS EN 61557-9:2015 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 Equipment for insulation fault location in IT systems
    BS EN 50090-2-2 : 1997 HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) - PART 2-2: SYSTEM OVERVIEW - GENERAL TECHNICAL REQUIREMENTS
    BS EN 60204-31 : 2013 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 31: PARTICULAR SAFETY AND EMC REQUIREMENTS FOR SEWING MACHINES, UNITS AND SYSTEMS
    ISO/TS 14907-1:2015 Electronic fee collection Test procedures for user and fixed equipment Part 1: Description of test procedures
    BS EN 54-2 : 1998 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 2: CONTROL AND INDICATING EQUIPMENT
    EN 50125-2:2002/corrigendum:2010 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
    BS EN 12094-1 : 2003 FIXED FIREFIGHTING SYSTEMS - COMPONENTS FOR GAS EXTINGUISHING SYSTEMS - REQUIREMENTS AND TEST METHODS FOR ELECTRICAL AUTOMATIC CONTROL AND DELAY DEVICES
    BS EN 50491-2 : 2010 GENERAL REQUIREMENTS FOR HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) AND BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) - PART 2: ENVIRONMENTAL CONDITIONS
    UNE-EN 60204-31:2013 Safety of machinery - Electrical equipment of machines - Part 31: Particular safety and EMC requirements for sewing machines, units and systems
    UNE-EN 61869-1:2010 Instrument transformers -- Part 1: General requirements
    EN 1300:2013 SECURE STORAGE UNITS - CLASSIFICATION FOR HIGH SECURITY LOCKS ACCORDING TO THEIR RESISTANCE TO UNAUTHORIZED OPENING
    EN 61643-341 : 2001 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - SPECIFICATION FOR THYRISTOR SUPPRESSORS (TSS)
    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)
    DIN EN 1300:2014-05 SECURE STORAGE UNITS - CLASSIFICATION FOR HIGH SECURITY LOCKS ACCORDING TO THEIR RESISTANCE TO UNAUTHORIZED OPENING
    DIN EN 61800-1 : 1999-08 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 1: GENERAL REQUIREMENTS; RATING SPECIFICATIONS FOR LOW VOLTAGE ADJUSTABLE SPEED D.C. POWER DRIVE SYSTEMS
    VDE 0160-101 : 1999-08 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR LOW VOLTAGE ADJUSTABLE SPEED D.C. POWER DRIVE SYSTEMS
    EN 61557-8:2015/AC:2016-06 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 - Part 8: Insulation monitoring devices for IT systems
    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 50178 : 1997 ELECTRONIC EQUIPMENT FOR USE IN POWER INSTALLATIONS
    HD 384.5.51 : 200S2 ELECTRICAL INSTALLATION OF BUILDINGS - PART 5: SELECTION AND ERECTION OF ELECTRICAL EQUIPMENT - CHAPTER 51: COMMON RULES
    EN 60794-2-41 : 2008 OPTICAL FIBRE CABLES - PART 2-41: INDOOR CABLES - PRODUCT SPECIFICATION FOR SIMPLEX AND DUPLEX BUFFERED A4 FIBRES
    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
    HD 637 S1:1999/corrigendum:2005 POWER INSTALLATIONS EXCEEDING 1 KV A.C.
    EN 50125-3 : 2003 COR 2010 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 3: EQUIPMENT FOR SIGNALLING AND TELECOMMUNICATIONS
    EN 62040-5-3 : 2017 UNINTERRUPTIBLE POWER SYSTEMS (UPS) - PART 5-3: DC OUTPUT UPS - PERFORMANCE AND TEST REQUIREMENTS (IEC 62040-5-3:2016)
    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 62586-1:2017 POWER QUALITY MEASUREMENT IN POWER SUPPLY SYSTEMS - PART 1: POWER QUALITY INSTRUMENTS (PQI) (IEC 62586-1:2017)
    EN 60870-2-2 : 1996 TELECONTROL EQUIPMENT AND SYSTEMS - OPERATING CONDITIONS - ENVIRONMENTAL CONDITIONS (CLIMATIC, MECHANICAL AND OTHER NON-ELECTRICAL INFLUENCES)
    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 60721-3-9:1993/A1:1995 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 9: MICROCLIMATES INSIDE PRODUCTS
    EN 61036:1996/A1:2000 ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
    EN 60044-1:1999/A2:2003 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
    EN 61869-1 : 2009 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    DIN EN 54-21:2006-08 Fire detection and fire alarm systems - Part 21: Alarm transmission and fault warning routing equipment
    EN 61643-11:2012/A11:2018 LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 11: SURGE PROTECTIVE DEVICES CONNECTED TO LOW-VOLTAGE POWER SYSTEMS - REQUIREMENTS AND TEST METHODS
    EN 61557-9:2015/AC:2017-02 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 9: EQUIPMENT FOR INSULATION FAULT LOCATION IN IT SYSTEMS (IEC 61557-9:2014/COR2:2017)
    EN 50090-2-2:1996/A2:2007 HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) - PART 2-2: SYSTEM OVERVIEW - GENERAL TECHNICAL REQUIREMENTS
    EN 62052-21:2004/A1:2017/AC:2018-04 ELECTRICITY METERING EQUIPMENT (AC) - GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - PART 21: TARIFF AND LOAD CONTROL EQUIPMENT (IEC 62052-21:2004/A1:2016/COR1:2018)
    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)
    EN 12094-1 : 2003 FIXED FIREFIGHTING SYSTEMS - COMPONENTS FOR GAS EXTINGUISHING SYSTEMS - PART 1: REQUIREMENTS AND TEST METHODS FOR ELECTRICAL AUTOMATIC CONTROL AND DELAY DEVICES
    EN 60794-3-30:2008 OPTICAL FIBRE CABLES - PART 3-30: OUTDOOR CABLES - FAMILY SPECIFICATION FOR OPTICAL TELECOMMUNICATION CABLES FOR LAKES, RIVER CROSSINGS AND COASTAL APPLICATION
    EN 62052-11:2003/A1:2017/AC:2018-04 ELECTRICITY METERING EQUIPMENT (AC) - GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - PART 11: METERING EQUIPMENT (IEC 62052-11:2003/A1:2016/COR1:2018)
    EN 61800-4 : 2003 Adjustable speed electrical power drive systems - Part 4: General requirements - Rating specifications for a.c. power drive systems above 1 000 V a.c. and not exceeding 35 kV
    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
    EN 60794-2-42:2008 OPTICAL FIBRE CABLES - PART 2-42: INDOOR OPTICAL FIBRE CABLES - PRODUCT SPECIFICATION FOR SIMPLEX AND DUPLEX CABLES WITH A4 FIBRES
    EN 60255-1 : 2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
    EN 50065-4-7 : 2005 COR 2006 SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ AND 1,6 MHZ TO 30 MHZ - PART 4-7: PORTABLE LOW VOLTAGE DECOUPLING FILTERS - SAFETY REQUIREMENTS
    EN 50491-2 : 2010 AMD 1 2015 GENERAL REQUIREMENTS FOR HOME AND BUILDING ELECTRONIC SYSTEMS (HBES) AND BUILDING AUTOMATION AND CONTROL SYSTEMS (BACS) - PART 2: ENVIRONMENTAL CONDITIONS
    EN 60044-8 : 2002 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
    DIN EN 54-16:2008-06 Fire detection and fire alarm systems - Part 16: Voice alarm control and indicating equipment
    EN 50463 : 2007 RAILWAY APPLICATIONS - ENERGY MEASUREMENT ON BOARD TRAINS
    EN 60044-2:1999/A2:2003 INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS
    EN 60721-3-1:1997 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STORAGE
    CEN ISO/TS 14907-1:2015 ELECTRONIC FEE COLLECTION - TEST PROCEDURES FOR USER AND FIXED EQUIPMENT - PART 1: DESCRIPTION OF TEST PROCEDURES (ISO/TS 14907-1:2015)
    EN 60051-1:2017 DIRECT ACTING INDICATING ANALOGUE ELECTRICAL MEASURING INSTRUMENTS AND THEIR ACCESSORIES - PART 1: DEFINITIONS AND GENERAL REQUIREMENTS COMMON TO ALL PARTS (IEC 60051-1:2016)
    EN 61020-1 : 2009 ELECTROMECHANICAL SWITCHES FOR USE IN ELECTRICAL AND ELECTRONIC EQUIPMENT - PART 1: GENERIC SPECIFICATION
    EN 54-21 : 2006 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 21: ALARM TRANSMISSION AND FAULT WARNING ROUTING EQUIPMENT
    EN 54-2:1997/A1:2006 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 2: CONTROL AND INDICATING EQUIPMENT
    EN 54-16 : 2008 FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 16: VOICE ALARM CONTROL AND INDICATING EQUIPMENT

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

    IEC 60721-1:1990+AMD1:1992+AMD2:1995 CSV Classification of environmental conditions - Part 1: Environmental parameters and their severities
    IEC 60721-2-1:2013 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 2-1: ENVIRONMENTAL CONDITIONS APPEARING IN NATURE - TEMPERATURE AND HUMIDITY
    IEC 60721-3-0:1984+AMD1:1987 CSV CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - INTRODUCTION
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