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EN 61800-2:2015

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Adjustable speed electrical power drive systems - Part 2: General requirements - Rating specifications for low voltage adjustable speed a.c. power drive systems

Superseded date

12-05-2021

Superseded by

EN IEC 61800-2:2021

Published date

25-09-2015

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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Ratings and specifications for the act of
  installing, commissioning and operation
5 Test
6 Information and marking requirements
Annex A (informative) - Classification of PDS into
        low-voltage system and high-voltage system
Annex B (informative) - Determination of the input
        current of BDM/CDM/PDS
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

IEC 61800-2:2015 applies to adjustable speed electric a.c. power drive systems, which include semiconductor power conversion and the means for their control, protection, monitoring, measurement and the a.c. motors. It applies to adjustable speed electric power drive systems intended to feed a.c. motors from a BDM connected to line-to-line voltages up to and including 1 kV a.c. 50 Hz or 60 Hz and/or voltages up to and including 1,5 kV d.c. input side.NOTE 1 Adjustable speed electric a.c. power drive systems intended to feed a.c. motors, and with rated converter input voltages above 1 000 V a.c. are covered by IEC 61800-4. NOTE 2 Adjustable speed electric d.c. power drive systems intended to feed d.c. motors are covered by IEC 61800-1.NOTE 3 For adjustable speed electric a.c. power drive systems having series-connected electronic power converter sections, the line-to-line voltage is the sum of the series connected input voltages.Traction applications and electric vehicles are excluded from the scope of this standard. IEC 61800-2:2015 is intended to define the following aspects of an a.c. power drive system (PDS):- principal parts of the PDS;- ratings and performance;- specifications for the environment in which the PDS is intended to be installed and operated;- other specifications which might be applicable when specifying a complete PDS.This standard provides minimum requirements, which may be used for the development of a specification between customer and manufacturer. This edition includes the following significant technical changes with respect to the previous edition.a) Clause 1 (Scope) has been updated,b) Clause 2 (Normative references) has been updated,c) Clause 3 (Definitions) has been updated including fundamental definitions to be used across the IEC 61800 series of standards,d) Clause 4 has been updated with respect to:1) description of the basic topology for BDM/CDM/PDS (4.2);2) ratings and performance (4.3 and 4.4);3) reference to applicable standards within the IEC 61800 series with respect to EMC (IEC 61800-3), Electrical safety (IEC 61800-5-1), Functional safety (IEC 61800-5-2), Load duty aspects (IEC TR 61800-6), Communication profiles (IEC 61800-7 series) and Power interface voltage (IEC TS 61800-8) to avoid conflicting requirements (4.5, 4.6, 4.7, 4.10, 4.11, 4.12);4) update of requirement for ECO design (4.8);5) update of requirement for environmental evaluation (4.9);6) implementation of requirement for explosive atmosphere (4.13).e) Clause 5 has been updated with test requirement in order to provide a clear link between design requirement and test requirement.f) Clause 6 has been updated to harmonize the marking and documentation requirement within the IEC 61800 series.g) Existing Annexes A to G have been deleted and replaced with new Annexes A to C.

Committee
CLC/TC 22X
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy

DIN EN 61800-9-2 : 2018-01 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-2: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS AND THEIR DRIVEN APPLICATIONS - ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS (IEC 61800-9-2:2017)
CEI 301-3 : 2005 GUIDE FOR THE CHARACTERISATION AND IDENTIFICATION OF VARIABLE SPEED ELECTRICAL DRIVES BY MEANS OF A PLATE
I.S. EN 61800-3:2005 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 3: EMC REQUIREMENTS AND SPECIFIC TEST METHODS (IEC 61800-3:2004 (EQV))
12/30243081 DC : 0 BS EN 1034-17 - SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 17: TISSUE MAKING MACHINES
12/30243084 DC : 0 BS EN 1034-21 - SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 21: COATING MACHINES
DIN EN 1034-16:2012-06 SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 16: PAPER AND BOARD MAKING MACHINES
CEI CLC/TR 61800-6 : 2007 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 6: GUIDE FOR DETERMINATION OF TYPES OF LOAD DUTY AND CORRESPONDING CURRENT RATINGS
I.S. EN 1034-17:2012 SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 17: TISSUE MAKING MACHINES
VDE 0160-109-2 : 2018-01 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 9-2: ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS AND THEIR DRIVEN APPLICATIONS - ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS (IEC 61800-9-2:2017)
UNI EN 1034-21 : 2012 SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 21: COATING MACHINES
BS EN 62026-2:2013 Low-voltage switchgear and controlgear. Controller-device interfaces (CDIs) Actuator sensor interface (AS-i)
EN 1034-17:2012 Safety of machinery - Safety requirements for the design and construction of paper making and finishing machines - Part 17: Tissue making machines
EN 1034-21:2012 Safety of machinery - Safety requirements for the design and construction of paper making and finishing machines - Part 21: Coating machines
EN 61800-5-2:2017 Adjustable speed electrical power drive systems - Part 5-2: Safety requirements - Functional
CLC/TR 61800-6:2007 Adjustable speed electrical power drive systems - Part 6: Guide for determination of types of load duty and corresponding current ratings
BS EN 1034-16:2012 Safety of machinery. Safety requirements for the design and construction of paper making and finishing machines Paper and board making machines
BS EN 61800-4:2003 Adjustable speed electrical power drive systems General requirements. Rating specifications for a.c. power drive systems above 1000 V a.c. and not exceeding 35 kV
PREN 50598-1 : DRAFT 2013 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 1: GENERAL REQUIREMENTS FOR SETTING ENERGY EFFICIENCY STANDARDS FOR POWER DRIVEN EQUIPMENT USING THE EXTENDED PRODUCT APPROACH (EPA), AND SEMI ANALYTIC MODEL (SAM)
I.S. CLC TS 60034-25:2005 ROTATING ELECTRICAL MACHINES - PART 25: GUIDE FOR THE DESIGN AND PERFORMANCE OF CAGE INDUCTION MOTORS SPECIFICALLY DESIGNED FOR CONVERTER SUPPLY
I.S. EN 61800-5-1:2007 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 5-1: SAFETY REQUIREMENTS - ELECTRICAL, THERMAL AND ENERGY
EN 61800-5-1:2007/A1:2017 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 5-1: SAFETY REQUIREMENTS - ELECTRICAL, THERMAL AND ENERGY (IEC 61800-5-1:2007/A1:2016)
I.S. EN 62026-2:2013 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (CDIS) - PART 2: ACTUATOR SENSOR INTERFACE (AS-I) (IEC 62026-2:2008 (MOD))
PD CLC/TR 61800-6:2007 Adjustable speed electrical power drive systems Guide for determination of types of load duty and corresponding current ratings
16/30342855 DC : 0 BS EN 17038-2 - PUMPS - METHODS OF QUALIFICATION AND VERIFICATION OF THE ENERGY EFFICIENCY INDEX FOR ROTODYNAMIC PUMP UNITS - PART 2: TESTING AND CALCULATION OF ENERGY EFFICIENCY INDEX (EEI) OF SINGLE PUMP UNITS
BS EN 1034-17:2012 Safety of machinery. Safety requirements for the design and construction of paper making and finishing machines Tissue making machines
BS EN 1034-21:2012 Safety of machinery. Safety requirements for the design and construction of paper making and finishing machines Coating machines
13/30280184 DC : 0 BS EN 50598-1 - ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 1: GENERAL REQUIREMENTS FOR SETTING ENERGY EFFICIENCY STANDARDS FOR POWER DRIVEN EQUIPMENT USING THE EXTENDED PRODUCT APPROACH (EPA), AND SEMI ANALYTIC MODEL (SAM)
I.S. EN 1034-16:2012 SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 16: PAPER AND BOARD MAKING MACHINES
BS EN 61800-3 : 2004 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 3: EMC REQUIREMENTS AND SPECIFIC TEST METHODS
I.S. EN 1034-21:2012 SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 21: COATING MACHINES
UNI EN 1034-16 : 2012 SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 16: PAPER AND BOARD MAKING MACHINES
BS EN 61800-5-1:2007 Adjustable speed electrical power drive systems Safety requirements. Electrical, thermal and energy
CEI EN 62026-2 : 2013 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - CONTROLLER-DEVICE INTERFACES (CDIS) - PART 2: ACTUATOR SENSOR INTERFACE (AS-I)
11/30243078 DC : 0 BS EN 1034-16 - SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 16: PAPER AND BOARD MAKING MACHINES
13/30280187 DC : 0 BS EN 50598-2 - ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
S.R. CLC/TS 60034-25:2008 ROTATING ELECTRICAL MACHINES - PART 25: GUIDANCE FOR THE DESIGN AND PERFORMANCE OF A.C. MOTORS SPECIFICALLY DESIGNED FOR CONVERTER SUPPLY
PREN 17038-3 : DRAFT 2017 PUMPS - ROTODYNAMIC PUMPS - ENERGY EFFICIENCY INDEX - METHODS OF QUALIFICATION AND VERIFICATION - PART 3: TESTING AND CALCULATION OF ENERGY EFFICIENCY INDEX (EEI) OF BOOSTER SETS
DIN EN 1034-17:2012-11 Safety of machinery - Safety requirements for the design and construction of paper making and finishing machines - Part 17: Tissue making machines
BS EN 61800-5-2:2017 Adjustable speed electrical power drive systems Safety requirements. Functional
CEI EN 61800-5-2 : 2009 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 5-2: SAFETY REQUIREMENTS - FUNCTIONAL
PREN 50598-2 : DRAFT 2013 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
17/30367208 DC : 0 BS EN 17038-3 - PUMPS - ROTODYNAMIC PUMPS - ENERGY EFFICIENCY INDEX - METHODS OF QUALIFICATION AND VERIFICATION - PART 3: TESTING AND CALCULATION OF ENERGY EFFICIENCY INDEX (EEI) OF BOOSTER SETS
EN 62026-2:2013 Low-voltage switchgear and controlgear - Controller-device interfaces (CDIs) - Part 2: Actuator sensor interface (AS-i)
DIN EN 1034-21:2012-11 SAFETY OF MACHINERY - SAFETY REQUIREMENTS FOR THE DESIGN AND CONSTRUCTION OF PAPER MAKING AND FINISHING MACHINES - PART 21: COATING MACHINES
BS EN 50598-2 : 2014 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
UNE-EN 50598-2:2015 Ecodesign for power drive systems, motor starters, power electronics & their driven applications - Part 2: Energy efficiency indicators for power drive systems and motor starters
I.S. CLC/TR 61800-6:2007 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 6: GUIDE FOR DETERMINATION OF TYPES OF LOAD DUTY AND CORRESPONDING CURRENT RATINGS
I.S. EN 50598-2:2014 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
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 61800-5-2:2017 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 5-2: SAFETY REQUIREMENTS - FUNCTIONAL
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
EN 61800-3 : 2004 AMD 1 2012 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 3: EMC REQUIREMENTS AND SPECIFIC TEST METHODS (IEC 61800-3:2004/A1:2011)
EN 1034-16:2012 Safety of machinery - Safety requirements for the design and construction of paper making and finishing machines - Part 16: Paper and board making machines
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 50598-2:2014/A1:2016 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
CLC/TS 60034-25:2008 Rotating electrical machines - Part 25: Guidance for the design and performance of a.c. motors specifically designed for converter supply

IEC 61800-3:2017 Adjustable speed electrical power drive systems - Part 3: EMC requirements and specific test methods
IEC 60038:2009 IEC standard voltages
IEC 61800-4:2002 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
IEC 61158-2:2014 Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition
EN 60721-3-1:1997 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 1: Storage
IEC 60068-2-68:1994 Environmental testing - Part 2-68: Tests - Test L: Dust and sand
EN 60146-1-1:2010 Semiconductor converters - General requirements and line commutated converters - Part 1-1: Specification of basic requirements
EN 61800-5-2:2017 Adjustable speed electrical power drive systems - Part 5-2: Safety requirements - Functional
IEC 60034-9:2003+AMD1:2007 CSV Rotating electrical machines - Part 9: Noise limits
IEC 60068-2-27:2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
IEC TS 62578:2015 Power electronics systems and equipment - Operation conditions and characteristics of active infeed converter (AIC) applications including design recommendations for their emission values below 150 kHz
IEC 61800-7-1:2015 Adjustable speed electrical power drive systems - Part 7-1: Generic interface and use of profiles for power drive systems - Interface definition
EN 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
CLC/TR 61800-6:2007 Adjustable speed electrical power drive systems - Part 6: Guide for determination of types of load duty and corresponding current ratings
IEC 60204-1:2016 Safety of machinery - Electrical equipment of machines - Part 1: General requirements
EN 50325-4:2002 Industrial communications subsystem based on ISO 11898 (CAN) for controller-device interfaces - Part 4: CANopen
EN 60034-9:2005/A1:2007 ROTATING ELECTRICAL MACHINES - PART 9: NOISE LIMITS
IEC TS 61800-8:2010 Adjustable speed electrical power drive systems - Part 8: Specification of voltage on the power interface
EN 60068-2-27:2009 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
EN 61800-5-1:2007/A1:2017 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 5-1: SAFETY REQUIREMENTS - ELECTRICAL, THERMAL AND ENERGY (IEC 61800-5-1:2007/A1:2016)
IEC 60721-2-6:1990 Classification of environmental conditions. Part 2: Environmental conditions appearing in nature. Earthquake vibration and shock
IEC 60146-1-1:2009 Semiconductor converters - General requirements and line commutated converters - Part 1-1: Specification of basic requirements
IEC TR 60146-1-2:2011 Semiconductor converters - General requirements and line commutated converters - Part 1-2: Application guide
IEC 60027-3:2002 Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
IEC 60721-3-2:1997 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 2: Transportation
IEC 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
EN 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
EN 60068-2-68:1996 Environmental testing - Part 2: Tests - Test L: Dust and sand
EN 50598-2:2014/A1:2016 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
EN 50598-3:2015 Ecodesign for power drive systems, motor starters, power electronics and their driven applications - Part 3: Quantitative eco design approach through life cycle assessment including product category rules and the content of environmental declarations
IEC 60034-1:2017 Rotating electrical machines - Part 1: Rating and performance
EN 60068-2-78:2013 Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state
IEC 61378-3:2015 Converter transformers - Part 3: 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 60068-2-6:2008 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)
EN 61800-3 : 2004 AMD 1 2012 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 3: EMC REQUIREMENTS AND SPECIFIC TEST METHODS (IEC 61800-3:2004/A1:2011)
IEC 61131-2:2017 Industrial-process measurement and control - Programmable controllers - Part 2: Equipment requirements and tests
EN 61800-7-1:2016 Adjustable speed electrical power drive systems - Part 7-1: Generic interface and use of profiles for power drive systems - Interface definition
IEC 61439-1:2011 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
EN 60721-3-2:1997 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 2: Transportation
EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
IEC TR 61800-6:2003 Adjustable speed electrical power drive systems - Part 6: Guide for determination of types of load duty and corresponding current ratings
EN 50495:2010 Safety devices required for the safe functioning of equipment with respect to explosion risks
AHRI 1211 (SI) : 2017 PERFORMANCE RATING OF VARIABLE FREQUENCY DRIVES
EN 60721-3-4:1995/A1:1997 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 4: STATIONARY USE AT NON-WEATHER-PROTECTED LOCATIONS
IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
IEC 60068-2-52:2017 Environmental testing - Part 2-52: Tests - Test Kb: Salt mist, cyclic (sodium chloride solution)
IEC 61378-1:2011 Converter transformers - Part 1: Transformers for industrial applications
IEC 61800-5-2:2016 Adjustable speed electrical power drive systems - Part 5-2: Safety requirements - Functional
EN 60038:2011 CENELEC STANDARD VOLTAGES (IEC 60038:2009, MODIFIED)
IEC 61800-1:1997 Adjustable speed electrical power drive systems - Part 1: General requirments - Rating specifications for low voltage adjustables speed d.c. power drive systems
IEC 60721-3-1:1997 Classification of environmental conditions - Part 3 Classification of groups of environmental parameters and their severities - Section 1: Storage
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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