29 : Electrical engineering

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  • GB 19517-2023

    National technical specification for the safety of electric equipments
    5/23/2023 - PDF - English - CODCHI
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    €346.50

  • GB 31241-2022

    Lithium ion cells and batteries used in portable electronic equipments—Safety technical specification (English Version)
    12/29/2022 - PDF - English - CODCHI
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    €660.00

  • GB/T 1094.10-2022

    Power transformers— Part 10:Determination of sound levels
    10/12/2022 - PDF - English - CODCHI
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    €825.00

  • GB/T 13002-2022

    Rotating electrical machines—Thermal protection (English Version)
    7/11/2022 - PDF - English - CODCHI
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    €181.50

  • GB/T 4942.1-2021

    Degrees of Protection Provided by the Integral Design of Rotating Electrical Machined (IP Code)-Classification (English Version)
    11/11/2021 - PDF - English - CODCHI
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    €418.00

  • GB/T 1971-2021

    Rotating electrical machines—Terminal markings and direction of rotation
    10/11/2021 - PDF - English - CODCHI
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    €478.50

  • GB/T 1029-2021

    Test procedures for three-phase synchronous machines
    5/21/2021 - PDF - English - CODCHI
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    €1,428.90

  • GB/T 11022-2020

    Common specifications for high-voltage alternating-current switchgear and controlgear standards (English Version)
    12/14/2020 - PDF - English - CODCHI
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    €1,468.50

  • GB/T 14048.2-2020

    Low-voltage switchgear and controlgear—Part 2: Circuit-breakers (English Version)
    9/29/2020 - PDF - English - CODCHI
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    €3,349.50

  • GB/T 755-2019

    Rotating electrical machines—Rating and performance (English Version)
    12/10/2019 - PDF - English - CODCHI
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    €429.00

  • GB/T 5226.1-2019

    Electrical safety of machinery—Electrical equipment of machines—Part 1:General requirements (English Version)
    6/4/2019 - PDF - English - CODCHI
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    €495.00

  • GB/T 1094.3-2017

    Power transformers—Part 3:Insulation levels,dielectric tests and external clearances in air (English Version)
    12/29/2017 - PDF - English - CODCHI
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    €627.00

  • GB/T 14048.3-2017

    Low-voltage switchgear and controlgear—Part3: Switches,disconnectors,switch-disconnectors and fuse-combination units (English Version)
    12/29/2017 - PDF - English - CODCHI
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    €264.00

  • GB/T 1408.2-2016

    Electrical strength of insulating materials - Test methods - Part 2: Additional requirements for tests using direct voltage (English Version)
    12/13/2016 - PDF - English - CODCHI
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    €99.00

  • GB/T 17948.7-2016

    Rotating electrical machines―Functional evaluation of insulation systems―General guidelines (English Version)
    2/24/2016 - PDF - English - CODCHI
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    €220.00

  • GB/T 18890.3-2015

    Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220 kV(Um=252 kV)―Part 3:Accessories
    10/9/2015 - PDF - English - CODCHI
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    €286.00

  • GB/T 18890.1-2015

    Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220 kV(Um=252 kV)―Part 1:Test methods and requirements
    10/9/2015 - PDF - English - CODCHI
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    €462.00

  • GB/T 16895.6-2014

    Electric installations of buildings - Part 5-52: Selection and erection of electrical equipment - Wiring systems (English Version)
    12/22/2014 - PDF - English - CODCHI
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    €682.00

  • GB 31241-2014/XG1-2017

    Lithium ion cells and batteries used in portable electronic equipments―Safety requirements (English Version)
    12/5/2014 - PDF - English - CODCHI
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    €198.00

  • GB 1984-2014

    High-voltage alternating-current circuit-breakers (English Version)
    6/24/2014 - PDF - English - CODCHI
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    €2,750.00

  • GB/T 1094.1-2013/XG1-2018

    Power transformers―Part 1:General, inluding Amendment 1 (English Version)
    12/17/2013 - PDF - English - CODCHI
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    €605.00

  • GB 14711-2013

    General requirements for safety of small and medium size rotating electrical machines
    12/2/2013 - PDF - English - CODCHI
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    €132.00

  • GB 15086-2013

    Motor vehicles door locks and retention components performance requirements and test methods
    9/18/2013 - PDF - English - CODCHI
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    €88.00

  • GB/T 1558-2009

    Test method for substitutional atomic carbon concent of silicon by infrared absorption
    10/30/2009 - PDF - English - CODCHI
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    €165.00

  • GB 1094.5-2008

    Power transformers - Part 5: Ability to withstand short circuit (English Version)
    9/19/2008 - PDF - English - CODCHI
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    €352.00

  • GB 10069.3-2008

    Measurement of Airborne Noise Emitted by Rotating Electrical Machines and the Noise Limits — Part 3: Noise Limits (English Version)
    6/19/2008 - PDF - English - CODCHI
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    €88.00

  • GB/T 18014-2008

    PVC insulated wire for ignition of electric detonators
    6/18/2008 - PDF - English - CODCHI
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    €165.00

  • GB/T 14285-2006

    Technical Code for Relaying Protection and Security Automatic Equipment (English Version)
    8/30/2006 - PDF - English - CODCHI
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    €825.00

  • GB/T 10069.1-2006

    Measurement of airborne noise emitted by rotating electrical machines and the noise limits Part 1: Method for the measurement of airborne noise emitted by rotating electrical machines
    4/30/2006 - PDF - English - CODCHI
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    €154.00

  • GB/T 1094.4-2005

    Power transformers - Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and reactors (English Version)
    8/26/2005 - PDF - English - CODCHI
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    €440.00

  • GB/T 18487.3-2001

    Electric vehice conductive charging system A.C./D.C.Electric vehicle charging station
    1/1/2001 - PDF - English - CODCHI
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    €88.00

  • GB/T 1993-1993

    Cooling methods for rotating electrical machines (English Version)
    6/28/1993 - PDF - English - CODCHI
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    €110.00

  • GB/T 3048.5-2007 (R2008)

    Test methods for electrical properties of electric cables and wires—Part 5:Test of insulation resistance (English Version)
    1/1/1983 - PDF - English - CODCHI
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    €88.00

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