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Database: 365,228(8 Aug 2026)

Frequency converters and power frequency grid switching equipment

Frequency converters and power frequency grid switching equipment, Total:171 items.

The international standard classification for "Frequency converters and power frequency grid switching equipment" includes: Aerospace electric equipment and systems , Electrical equipment of ships and of marine structures , Magnetic components , Radio relay and fixed satellite communications systems , Wires and symmetrical cables , Switching and signalling systems , Rotating machinery , Motors , Other standards related to lamps .

The Chinese standard classification for "Frequency converters and power frequency grid switching equipment" includes: Energy equipment for spacecraft , Power generation, transformation and distribution equipment for vessel , Inductor and transformer , Satellite communication equipment , Broadcasting and television transmission and receiving equipment , Communication network number, signal and connection , Electric rotating machinery in general , Synchronous machine , Technical management , Electric drive control equipment , Lamp accessories , Guard and alarm system , Railway communication network .


Taiwan Provincial Standard of the People's Republic of China

Professional Standard - Aerospace

  • QJ 829-1984 Power converter voltage, current and frequency series
  • QJ 829A-1995 Voltage, Current and Frequency Series for Power Converter

Professional Standard-Ships

  • CB 904-1988 General Technical Specifications for Low-frequency Transformer for Ship Electronic Equipment
  • CB/T 4412-2016 Low frequency transformer for ship electronic equipment

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

  • GB/T 24625-2009 Guide for the design and application of synchronous motors for converter supply
  • GB 3377-1982 Multi frequency register signalling system for telephone antomatic switching network
  • GB/T 11318.5-1996 Equipments and components used in cabled distribution systems primarily intended for television and sound signals. Part 5: Generic specifications for channel converter
  • GB 11299.8-1989 Satellite Communication Earth Station Radio Equipment Measurement Methods Part 2 Subsystem Measurements Section 4 Upconverters and Downconverters
  • GB/T 21209-2007 Guide for the design and performance of cage induction motors specifically designed for converter supply
  • GB/T 18909-2002 Sectional specification for high-frequency inductors and intermediate frequency transformers for use in electronic equipment for capability approval
  • GB/T 11299.8-1989 Methods of measurement for radio equipment used in satellite earth stations; Part 2: Measurements for sub-systems; Section Four:UP-and-down converters

Professional Standard - Electron

  • SJ 2966-1988 Blank detail specification for piezoelectric ceramic discriminators for use in electronic equipment - Piezoelectric ceramic discriminators for IF sound discriminator circuit of TV receive
  • SJ/T 10331-1992 Technical requirements and measure methods on converter of audioand video signal for TV broadcast receiver
  • SJ 2967-1988 Detail specification for piezoelectric ceramic discriminators for use in electronic equipement--Piezoelectric ceramic discriminators for Type JT6.5MD Assessment level E
  • SJ 2965-1988 Sectional specification for piezoelectric ceramic discriminators for use in electronic equipment - Piezoelectric ceramic discriminators for IF sound discriminator circuit of TV receivers

National Metrological Verification Regulations of the People's Republic of China

  • JJG 126-2022 Power Frequency A.C.Electrical Quantities Measuring Transducers

Group Standards of the People's Republic of China

  • T/ZJSEE 0021.3-2024 Flexible low-frequency transmission Part 3: Maintenance specifications for low-frequency primary equipment of frequency converter stations
  • T/CEC 506-2021 Design specification for large-capacity dry-type high-frequency transformers for power electronic equipment

Professional Standard - Aviation

  • HB 8657-2022 General specification for electric power frequency converters of civil air cr aft

Professional Standard - Machinery

  • JB/T 4086-1997 Electric Control Equipment of Frequency Converter Set for Induction Heating

Professional Standard - Light Industry

  • QB/T 2986-2008 Auxiliaries for lamps—Particular requirements for electronic invertors and convertors for high-frequency operation of cold start tubular discharge lamps(neon tubes)—Performance requirements

Professional Standard - Public Safety Standards

  • GA/T 646-2006 General technical specifications of matrix switcher for video monitoring secure system

Military Standard of the People's Republic of China-General Armament Department

  • GJB 2438/2-2011 Hybrid integrated circuits.Detail specifications for type YH112 of frequency converter

未注明发布机构

  • DIN EN ISO 22829 E:2015-09 Transformers for resistance welding equipment Integrated transformer-rectifier units for welding guns operating at 1000 Hz (draft)
  • AS/NZS 60065:2018 Safety requirements for audio, video and similar electronic equipment

Professional Standard - Railway

  • TB/T 1692-1993 Railway Telephone Switching Network - Multi-frequency Coding Register Signalling

国家标准局

  • GB/T 3377-1982 Multifrequency register signalling system for telephone automatic switching network

ECIA - Electronic Components Industry Association

  • RS-174-1956 Audio Transformers for Electronic Equipment

Korean Agency for Technology and Standards (KATS)

  • KS C 6043-2003 General rules of high frequency coils and intermediate frequency transformers for electronic equipment
  • KS C 6044-1979 Testing methods of high frequency inductors and intermediate frequency transformers for electronic equipment
  • KS C 6044-2002 Testing methods of high frequency inductors and intermediate frequency transformers for electronic equipment
  • KS C 6044-2003 Testing methods of high frequency inductors and intermediate frequency transformers for electronic equipment
  • KS C 6034-1986 General Rules of Low Frequency Transformer for Electronic Equipment
  • KS C 6034-2021 General Rules of Low Frequency Transformer for Electronic Equipment
  • KS C 6034-1991 General Rules of Low Frequency Transformer for Electronic Equipment
  • KS C 6034-1991(2021) General Rules of Low Frequency Transformer for Electronic Equipment
  • KS C 6034-1991(2016) General Rules of Low Frequency Transformer for Electronic Equipment
  • KS C 6043-2002 General rules of high frequency coils and intermediate frequency transformers for electronic equipment
  • KS C 6043-1982 General rules of high frequency coils and intermediate frequency transformers for electronic equipment
  • KS C IEC 60989:2005 Separating transformers, autotransformers, variable transformers and reactors
  • KS C IEC 61347-2-10-2019 Lamp controlgear ― Part 2-10: Particular requirements for electronic invertors and convertors for high-frequency operation of cold start tubular discharge lamps(neon tubes)
  • KS C IEC 60065:2020 Audio, video and similar electronic apparatus —Safety requirements

Electronic Components, Assemblies and Materials Association

American National Standards Institute (ANSI)

  • ANSI/UL 458-2013 Power Converters/Inverters and Power Converter/Inverter Systems for Land Vehicles and Marine Crafts
  • ANSI/IEEE 388:1992 Standard for Transformers and Inductors in Electronic Power Conversion Equipment

Japanese Industrial Standards Committee (JISC)

  • JIS C 5321:1997 Methods of test for high frequency inductors and intermediate frequency transformers for electronic equipment
  • JIS C 5301:1989 General rules of low frequency transformer for electronic equipment
  • JIS C 5320:1994 General rules of high frequency coils and intermediate frequency transformers for electronic equipment
  • JIS C 8147-2-10:2005 Lamp controlgear -- Part 2-10: Particular requirements for electronic invertors and convertors for high-frequency operation of cold start tubular discharge lamps (neon tubes)
  • JIS C 8147-2-10:2017 Lamp controlgear -- Part 2-10: Particular requirements for electronic invertors and convertors for high-frequency operation of cold start tubular discharge lamps (neon tubes)

VE-FONDONORMA

  • COVENIN 729-1974 Medium frequency transformers and radio frequency transformers

Association Francaise de Normalisation

  • NF EN 61248-7:1998 Transformers and inductors for electronic and telecommunications equipment - Part 7: intermediate specification for high-frequency inductors and for intermediate-frequency transformers based on...
  • NF C93-355:1968 Components for electronic equipment. Intermediate frequency transformers used in broadcast receivers.
  • NF C93-367*NF EN 61248-7:1998 Transformers and inductors for use in electronic and telecommunication equipment. Part 7 : sectional specification for high-frequency transformers on the basis of the capability approval procedure.
  • NF EN ISO 22829:2017 Resistance welding equipment - Transformers - Transformers-rectifiers for welding guns with incorporated transformer powered at a frequency of 1000 Hz
  • NF C92-130:1999 Audio, video and similar electronic apparatus. Safety requirements.
  • NF EN 61347-2-10:2001 Lamp equipment - Part 2-10: special requirements for electronic inverters and converters intended for the high frequency supply of cold-start tubular discharge lamps (neon tubes)
  • NF EN 61347-2-10/A1:2009 Lamp equipment - Part 2-10: special requirements for electronic inverters and converters intended for the high frequency supply of cold-start tubular discharge lamps (neon tubes)
  • NF Z84-386:2012 Electromagnetic compatibility and Radio spectrum Matters (ERM) - Telecommunication network equipment - ElectroMagnetic Compatibility (EMC) requirements (V1.6.1)
  • NF C92-130:2015 Audio, video and similar electronic apparatus - Safety requirements
  • NF C93-430-14*NF EN 60603-14:1999 Connectors for frequencies below 3 MHz for use with printed boards - Part 14 : detail specification for circular connectors for low-frequency audio and video applications such as audio, video and audio-visual equipment

PL-PKN

  • PN E06042-1964 Transformers for mercury-arc convec?or equipments General rules
  • PN E06077-1991 Power convertors for electric traction. Direct d.c. convertors (d.c. chopper convertors) for rolling stock

SCC

  • MIL MIL-PRF-27/247D-2008 TRANSFORMERS AND INDUCTORS, (AUDIO, POWER AND HIGH-POWER PULSE), TRANSFORMER, AUDIO FREQUENCY
  • CEI EN 61248-7:1998 Transformers and inductors for use in electronic and telecommunication equipment Part 7: Sectional specification for high-frequency inductors and intermediate frequency transformers on the basis of the capability approval procedure
  • MIL MIL-T-27/214B-2012 Transformers and Inductors (Audio, Power and High-Power Pulse), Inductors, Audio Frequency
  • MIL MIL-PRF-27/205D-2012 Transformers and Inductors (Audio, Power, and High-Power Pulse), Inductors, Audio Frequency, High Q
  • MIL MIL-T-27/162B-2009 Transformer and Inductors (Audio, Power and High-Power Pulse), Inductors, Audio Frequency, High Q
  • MIL MIL-T-27/163D-2012 Transformers and Inductors (Audio, Power and High-Power Pulse), Inductors, Audio Frequency, High Q
  • MIL MIL-PRF-27/111A-2009 Transformers and Inductors, (Audio, Power and High-Power Pulse) Inductor, Audio
  • MIL MIL-PRF-27/112A-2009 Transformers and Inductors, (Audio, Power and High-Power Pulse) Inductor, Audio
  • CSA C22.2 No.1-1994 Audio, Video, and Similar Electronic Equipment
  • CSA C22.2 No.1-1998 Audio, Video, and Similar Electronic Equipment
  • CSA C22.2 No.1-2004(R2009) Audio, video, and similar electronic equipment
  • MIL MIL-T-27/247C-1993 TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE), TRANSFORMER, AUDIO FREQUENCY, TF4R21AJ316 (SUPERSEDING MIL-T-27/247B)
  • MIL MIL-PRF-27/111-1976 TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE) INDUCTOR, AUDIO, TYPE TF4U20YY930
  • MIL MIL-PRF-27/112-1976 TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE) INDUCTOR, AUDIO, TYPE TF5U20ZZ931
  • MIL MIL-PRF-27/241B-2010 Transformers and Inductors (Audio, Power and High-Power Pulse) Inductors, Audio Frequency, High Q
  • MIL MIL-T-27/214-1978 TRANSFORMERS AND INDUCTORS (AUDIO, POWER, AND HIGH-POWER PULSE) INDUCTORS, AUDIO FREQUENCY, TF5S20ZZ (S/S BY MIL-T-27/214A)
  • MIL MIL-PRF-27/240C-2013 Transformers and Inductors (Audio, Power and High-Power Pulse) Inductors, Audio Frequency, High Q
  • NS-EN ISO 22829:2017 Resistance welding equipment — Transformers — Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017)
  • MIL MIL-T-27/175C-2012 Transformers and Inductors (Audio, Power and High Power Pulse) Inductors, Audio Frequency, High Q
  • MIL MIL-T-27/142C-1992 TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE) INDUCTORS, AUDIO FREQUENCY, TF5R20ZZ (SUPERSEDING MIL-T-27/142B)
  • MIL MIL-PRF-27/240B-2011 Transformers and Inductors (Audio, Power and High-Power Pulse) Inductors, Audio Frequency, High Q
  • AENOR UNE-EN ISO 22829:2018 Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017)
  • DANSK DS/EN ISO 22829:2017 Resistance welding equipment – Transformers – Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017)
  • CEI EN 60835-3-5:1996 Methods of measurement for equipment used in digital microwave radio transmission systems - Part 3: Measurements on satellite earth stations - Section 5: Up- and down- converters
  • MIL MIL-PRF-27/241A-1980 TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE) INDUCTORS, AUDIO FREQUENCY, HIGH Q, TF5R20ZZ (SUPERSEDING MIL-T-27/241)
  • MIL MIL-T-27/162A-1992 TRANSFORMERS AND INDUCTORS (AUDIO, POWER, AND HIGH-POWER PULSE), INDUCTORS, AUDIO FREQUENCY, HIGH Q, TF4S02YY (SUPERSEDING MIL-T-27/162)
  • MIL MIL-PRF-27/240A-1980 TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE) INDUCTORS, AUDIO FREQUENCY, HIGH Q, TF5R20ZZ (SUPERSEDING MIL-T-27/240)
  • DANSK DS/EN 60065:2002 Audio, video and similar electronic apparatus – Safety requirements
  • AENOR UNE-EN 60065:2015 Audio, video and analog electronic devices. Security requirements.
  • MIL MIL-T-27/161A-1980 TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE), INDUCTORS, AUDIO FREQUENCY, HIGH Q, TF5R20ZZ (SUPERSEDING MIL-T-27/161)
  • CAN/CSA-C22.2 No.60065-2016 Audio, video and similar electronic apparatus — Safety requirements
  • AENOR UNE-EN 60065/A2:2003 Audio, video and analog electronic devices. Security requirements.
  • CEI EN 60065/EC:2016 Audio, video and similar electronic apparatus - Safety requirements
  • MIL MIL-PRF-27/205B-1993 TRANSFORMERS AND INDUCTORS (AUDIO, POWER AND HIGH-POWER PULSE), INDUCTORS, AUDIO FREQUENCY, HIGH Q, TF4R20YY (SUPERSEDING MIL-T-27/205A)
  • MIL MIL-T-27/215C-1989 TRANSFORMERS AND INDUCTORS (AUDIO, POWER, AND HIGH-POWER PULSE) INDUCTORS, AUDIO FREQUENCY, TF5S20ZZ (SUPERSEDING MIL-T-27/215B) (NO S/S DOCUMENT)
  • AENOR UNE-EN 60065/AC:1970 Audio, video and similar electronic apparatus - Safety requirements
  • DANSK DS/EN 61248-7:1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 7: Sectional specification for high-frequency inductors and intermediate transformers on the basis of the capability approval procedure
  • AENOR UNE-EN 60065/A11:2015 Audio, video and analog electronic devices. Security requirements.
  • MIL MIL-T-27/158C-2013 Transformers and Inductors (Audio, Power, and High-Power Pulse) Transformer, Power, Step-Down
  • DANSK DS/EN 60065/AC:2019 Audio, video and similar electronic apparatus – Safety requirements
  • CAN/CSA-E60065-2000 Audio, Video and Similar Electronic Apparatus - Safety Requirements
  • MIL MIL-T-27/158B-2012 Transformers and Inductors (Audio, Power, and High-Power Pulse) Transformer, Power, Step-Down
  • UNE-EN 60065:2003 Audio, video and similar electronic apparatus - Safety requirements
  • CEI EN 60065:2016 Audio, video and similar electronic apparatus - Safety requirements
  • UNE-EN 60065:2000 Audio, video and similar electronic apparatus. Safety requirements.

IN-BIS

  • IS 6297 Pt.3-1974 Specification for transformers and inductors for use in electronic equipment (power, audio, pulse and switching) Part III Audio transformers and chokes
  • IS 6297 Pt.4-1974 Specification for transformers and inductors for use in electronic equipment (power, audio, pulse and switching) Part IV Pulse and switching transformers

IECQ - IEC: Quality Assessment System for Electronic Components

  • QC 260600-1997 Transformers and Inductors for Use in Electronic and Telecommunication Equipment - Part 7: Sectional Specification for High-Frequency Inductors and Intermediate Frequency Transformers on the Basis of the Capability Approval Procedure (ED 1; IEC 61248-7: 1
  • PQC 71-1987 Radio Frequency Cables for Use in Electrotechnical Equipment: Generic Specification: Radio Frequency Cables of Assessed Quality

Defense Logistics Agency

GSO

  • OS GSO IEC 61248-7:2014 Transformers and inductors for use in electronic and telecommunication equipment - Part 7: Sectional specification for high-frequency inductors and intermediate frequency transformers on the basis of the capability approval procedure
  • GSO IEC 61248-7:2014 Transformers and inductors for use in electronic and telecommunication equipment - Part 7: Sectional specification for high-frequency inductors and intermediate frequency transformers on the basis of the capability approval procedure
  • BH GSO IEC 60510-2-4:2016 Methods of measurement for radio equipment used in satellite earth stations. Part 2: Measurements for sub-systems. Section Four: Up- and down-converters
  • OS GSO IEC 60510-2-4:2015 Methods of measurement for radio equipment used in satellite earth stations. Part 2: Measurements for sub-systems. Section Four: Up- and down-converters

International Electrotechnical Commission (IEC)

  • IEC 61248-7:1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 7: Sectional specification for high-frequency inductors and intermediate frequency transformers on the basis of the capability approval procedure
  • IEC 61347-2-10:2000+AMD1:2008 CSV Lamp controlgear - Part 2-10: Particular requirements for electronic invertors and convertors for high-frequency operation of cold start tubular discharge lamps (neon tubes)
  • IEC 60989:1991 Separating transformers, autotransformers, variable transformers and reactors
  • IEC 60065:2014/COR3:2018 Audio, video and similar electronic apparatus - Safety requirements
  • IEC 60065:2001+AMD1:2005+AMD2:2010 CSV Audio, video and similar electronic apparatus - Safety requirements
  • IEC 60065:2014/COR1:2015 Audio, video and similar electronic apparatus - Safety requirements
  • IEC 60065:2001/AMD1:2005 Audio, video and similar electronic apparatus - Safety requirements

CZ-CSN

RU-GOST R

  • GOST 20962-1975 Mean frequency static transducer for electrothermy. Basic parameters
  • GOST R 51317.4.28-2000 Electromagnetic compatibility of technical equipment. Immunity to variation of power frequency. Requirements and test methods
  • GOST 14234-1984 Audio frequency signal transformers for domestic radio equipment. General specifications

German Institute for Standardization

  • DIN EN 112000:1996 Generic specification - Image converter and image intensifier tubes; German version EN 112000:1992
  • DIN EN 61248-7:1998-05 Transformers and inductors for use in electronic and telecommunication equipment - Part 7: Sectional specification for high frequency inductors and intermediate frequency transformers on the basis of the capability approval procedure (IEC 61248-7:1996)...
  • DIN EN ISO 22829:2018-01 Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017); German version EN ISO 22829:2017
  • DIN EN 60603-14:1999 Connectors for frequencies below 3 MHz for use with printed boards - Part 14: Detail specification for circular connectors for low-frequency audio and video applications such as audio, video and audio-visual equipment (IEC 60603-14:1998); German version E
  • DIN EN ISO 22829:2018 Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017)
  • DIN EN 60835-3-5:1994 Methods of measurement for equipment used in digital microwave radio transmission systems - Part 3: Measurement on satellite earth stations; section 5: Up- and down-converters (IEC 60835-3-5:1994); German version EN 60835-3-5:1994

ITU-T - International Telecommunication Union/ITU Telcommunication Sector

  • ITU-T J.185 SPANISH-2002 Transmission equipment for transferring multi-channel television signals over optical access networks by FM conversion

International Telecommunication Union (ITU)

  • ITU-T J.185 FRENCH-2002 Transmission equipment for transferring multi-channel television signals over optical access networks by FM conversion Equipements de transmission pour l'acheminement des signaux de t閘関ision multicanaux sur les r閟eaux d'acc鑣 optique par conversion en
  • ITU-T M.540 FRENCH-1988 ROUTINE MAINTENANCE OF CARRIER AND PILOT GENERATING EQUIPMENT

European Committee for Electrotechnical Standardization(CENELEC)

  • EN 61248-7:1997 Transformers and Inductors for Use in Electronic and Telecommunication Equipment Part 7: Sectional Specification for High-Frequency Inductors and Intermediate Frequency Transformers on the Basis of the Capability Approval Procedure

Lithuanian Standards Office

  • LST EN 61248-7-2001 Transformers and inductors for use in electronic and telecommunication equipment. Part 7: Sectional specification for high-frequency inductors and intermediate frequency transformers on the basis of the capability approval procedure (IEC 61248-7:1997)
  • LST EN 60065-2003/A12-2011 Audio, video and similar electronic apparatus - Safety requirements
  • LST EN 60065-2003/A11-2009 Audio, video and similar electronic apparatus - Safety requirements

ES-UNE

  • UNE-EN ISO 22829:2018 Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz (ISO 22829:2017)

Underwriters Laboratories (UL)

  • UL 1411-2016 UL Standard for Safety Transformers and Motor Transformers for Use in Audio-@ Radio-@ and Television-Type Appliances (Seventh Edition)

United States Navy

AR-IRAM

  • IRAM 2111-1952 Fixed common capacitors for industrial frequency networks

British Standards Institution (BSI)

  • BS EN ISO 22829:2017 Resistance welding equipment. Transformers. Integrated transformer-rectifier units for welding guns operating at 1 000 Hz
  • BS EN 60835-3-5:1995 Methods of measurement for equipment used in digital microwave radio transmission systems. Measurements on satellite earth stations. Up- and down-converters
  • BS EN 61248-7:1998 Transformers and inductors for use in electronic and telecommunication equipment. Sectional specification for high-frequency inductors and intermediate transformers on the basis of the capability approval procedure

IL-SII

  • S.I.581-1965 AUDIO OUTPUT TRANSFORMERS FOR RADIO RECEIVERS, AMPLIFYERS AND SIMILAR ELECTRONIC EQUIPMENT.

Standard Association of Australia (SAA)

  • AS/NZS 3947.5.6:2000 Low-voltage switchgear and controlgear - Control circuit devices and switching elements - D.C.interface for proximity sensors and switching amplifiers (NAMUR)

AENOR

Institute of Electrical and Electronics Engineers (IEEE)

  • IEEE C57.168-2023 IEEE Guide for Low-Frequency Dielectric Testing for Distribution, Power, and Regulating Transformers
  • IEEE Std C57.168-2023 IEEE Guide for Low-Frequency Dielectric Testing for Distribution, Power, and Regulating Transformers

Danish Standards Foundation

  • DS/EN 60065/Corr.1:2003 Audio, video and similar electronic apparatus - Safety requirements
  • DS/EN 61248-7:1998 Transformers and inductors for use in electronic and telecommunication equipment - Part 7: Sectional specification for high-frequency inductors and intermediate transformers on the basis of the capability approval procedure
  • DS/EN 60065:2002 Audio, video and similar electronic apparatus - Safety requirements
  • DS/EN 60065/Corr.:2007 Audio, video and similar electronic apparatus - Safety requirements