IEC 60137 pdf download
IEC 60137 pdf download Insulated bushings for alternating voltages above 1 000 V 1 Scope This International Standard specifies the characteristics and tests for insulated bushings. This standard is applicable to bushings, as defined in Clause 3, intended for use in electrical apparatus, machinery, transformers, switchgear and installations for three-phase alternating current systems, having highest voltage for equipment above 1...
IEC 60384-11 pdf download
IEC 60384-11 pdf download Fixed capacitors for use in electronic equipment – Part 11: Sectional specification – Fixed polyethylene-terephthalate film dielectric metal foil d.c. capacitors Detail specifications shall not specify requirements inferior to those of the generic, sectionalor blank detail specification. When more severe requirements are included,they shall belisted in 1.9 of the detail specification and indicated in the test...
IEC 60399 pdf download
IEC 60399 pdf download Barrel thread for lampholders with shade holder ring 1General 1.1 scope This international standard applies to lampholders designed with a barrel thread for shadeholder rings designed to keep attachments to lampholders in place. lt also covers barrel threads for shade holder rings. Attention is drawn to lampholder safety standards lEC 60238,IEC 60400, IEC 60838-1 andIEC 61184...
IEC 60404-2 pdf download
IEC 60404-2 pdf download Magnetic materials – Part 2: Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame 1 Scope and object This part of lEC 60404 is applicable to grain oriented and non-oriented electrical sheet andstrip for a.c. measurements of magnetic properties at frequencies up to 400 Hz and...
IEC 60432-3 pdf download
IEC 60432-3 pdf download Incandescent lamps – Safety specifications – Part 3: Tungsten-halogen lamps (non-vehicle) 1 General 1.1 Scope This part of IEC 60432 specifies the safety requirements for single-capped and double-capped tungsten halogen lamps, having rated voltages of up to 250 V, used for the following applications: • Projection (including cinematograph and still projection) • Photographic (including studio) •...
IEC 60519-7 pdf download
IEC 60519-7 pdf download Safety in electroheat installations – Part 7: Particular requirements for installations with electron guns 7.1 Manual earthing device After switching off the high-voltage supply and gaining access by opening the door of theelectron gun chamber or the housing of the electron gun, a portable earthing device of anapproved design shall be used to remove any remaining...
IEC 60704-2-13 pdf download
IEC 60704-2-13 pdf download Household and similar electrical appliances – Test code for the determination of airborne acoustical noise – Part 2-13: Particular requirements for range hoods 1 scope and object This clause of part 1 is applicable except as follows: 1.1scope 1.1.1GeneralReplacement: These particular requirements apply to electrical range hoods (including their accessories andtheir component parts) for household and...
IEC 60724 pdf download
IEC 60724 pdf download Short-circuit temperature limits of electric cables with rated voltages of 1 kV (U m = 1,2 kV) and 3 kV (U m = 3,6 kV) The 5 s time period mentioned is the limit for the temperatures quoted to be valid and not for the application of the adiabatic calculation method. The time limit for the...
IEC 60749-37 pdf download
IEC 60749-37 pdf download Semiconductor devices – Mechanical and climatic test methods – Part 37: Board level drop test method using an accelerometer 4 Test apparatus and components 4.1 Test apparatus The shock-testing apparatus shall be capable of providing shock pulses up to a peak acceleration of 2 900 m·s –2 with a pulse duration between 0,3 ms and 8,0...
IEC 60749-38 pdf download
IEC 60749-38 pdf download Semiconductor devices – Mechanical and climatic test methods – Part 38: Soft error test method for semiconductor devices with memory 3 Test apparatus 3.1 Measurement equipment The equipment shall be capable of measuring the functions of the integrated circuit devices, and capable of measuring the time taken for the change of stored data by the exposure...