IEC 62114 pdf download
IEC 62114 pdf download Electrical insulation systems (EIS) – Thermal classification 1Scope This International Standard establishes the thermal classification of an electrical insulationsystem (EIS). lt also identifies recognized procedures for the thermal evaluation of EIS. This standard is applicable to EIS used in electrotechnical devices where the thermal factor isthe dominating ageing factor. 2Normative references The following normative documents contain...
IEC 62118 pdf download
IEC 62118 pdf download Nuclear reactor instrumentation – Pressurized water reactor (PWR) of VVER design – Monitoring adequate cooling within the core during shutdown 1 Scope and object This International Standard applies to pressurized water reactors (PWRs) of VVER designwith configurations similar to those shown in figures 1 and 2, and presents the requirementsfor monitoring adequate cooling within the core...
IEC 62121 pdf download
IEC 62121 pdf download Methods of measurement for minidisc recorders/players 1 scope and object This International Standard specifies the measuring methods for recording and reproducingequipment for MiniDiscs that conform to the specifications of lEC 61909. NOTE 1 For convenience，this recording and reproducing equipment will be referred to as “MD recorder”hereinafter.The reproducing part of this equipment or equipment with only a...
IEC 62148-5 pdf download
IEC 62148-5 pdf download Fibre optic active components and devices – Package and interface standards – Part 5: SC 1×9 fibre optic modules 1 scope This part of lEC 62148 covers the physical interface specifications for the SC 1×9 fibre opticmodule family. 2Normative references The following referenced documents are indispensable for the application of this document.Fordated references,only the edition cited...
IEC 62148-7 pdf download
IEC 62148-7 pdf download Fibre optic active components and devices – Package and interface standards – Part 7: SFF LC 10-pin transceivers 1 Scope This part of lEC 62148 covers the physical interface specifications for the SFF LC 10-pin fibreoptic transceiver module family. The intent of this standard is to adequately specify the physical requirements of an opticaltransceiver that will...
IEC 62151 pdf download
IEC 62151 pdf download Safety of equipment electrically connected to a telecommunication network 1 scope 1.1 Equipment covered by this standard This International Standard is applicable to equipment designed and intended to be connecteddirectly to a TELECOMMUNICATION NETWORK, regardless of the source of power. lt is intended for the enhancement of product safety standards so as to cover hazardsassociated only...
IEC 62193 pdf download
IEC 62193 pdf download Live working – Telescopic sticks and telescopic measuring sticks 1 Scope This International Standard covers telescopic sticks and telescopic measuring sticks to beused for live working on a.c. or d.c. electrical installations at 1 000 v and above for a.c. and1 500 v and above for d.c. The telescopic sticks are designed to accept attachments that...
IEC 62211 pdf download
IEC 62211 pdf download Inductive components – Reliability management 1 Scope This International Standard is applicable to inductive components (chokes and transformers)based on magnetically soft materials. These are especially components based on laminatediron sheets,iron powder materials (including alloys), as well as ferrites and amorphous orcrystalline metal band cores. Winding assemblies means wire winding assemblies as well as multilayer and stackingtechnologies...
IEC 62237 pdf download
IEC 62237 pdf download Live working – Insulating hoses with fittings for use with hydraulic tools and equipment 1 Scope This International Standard is applicable to mobile insulating hoses with fittings used withhydraulic tools and equipment for live working at nominal voltages exceeding 1 kV r.m.s. atpower frequency. The use under D.C. conditions is not covered by this standard. Insulating...
IEC 62238 pdf download
IEC 62238 pdf download Maritime navigation and radiocommunication equipment and systems – VHF radiotelephone equipment incorporating Class “D” Digital Selective Calling (DSC) – Methods of testing and required test results 1 scope This International Standard covers the minimum requirements for general communicationfor shipborne fixed installations using a VHF radiotelephone incorporating class “D”DigitalSelective Calling. These requirements include the relevant provisions of...