IEC 60950-23-2005 pdf – Information technology equipment – Safety – Part 23: Large data storage equipment

IEC 60950-23-2005 pdf – Information technology equipment – Safety – Part 23: Large data storage equipment

IEC 60950-23-2005 pdf – Information technology equipment – Safety – Part 23: Large data storage equipment. 1 Scope This part of IEC 60950 specifies requirements for information technology equipment (ITE) with self contained data storage systems that contain hazardous moving parts. These data storage systems are typically large enough to permit a person to enter completely, however, the systems also...

IEC 60534-1-2005 pdf – Industrial-process control valves – Part 1: Control valve terminology and general considerations

IEC 60534-1-2005 pdf – Industrial-process control valves – Part 1: Control valve terminology and general considerations

IEC 60534-1-2005 pdf – Industrial-process control valves – Part 1: Control valve terminology and general considerations 1 Scope This part of IEC 60534 applies to all types of industrial-process control valves (hereinafter referred to as control valves). This part establishes a partial basic terminology list and provides guidance on the use of all other parts of IEC 60534. 2 Normative...

IEC 60519-8-2005 pdf – Safety in electroheat installations – Part 8: Particular requirements for electroslag remelting furnaces

IEC 60519-8-2005 pdf – Safety in electroheat installations – Part 8: Particular requirements for electroslag remelting furnaces

IEC 60519-8-2005 pdf – Safety in electroheat installations – Part 8: Particular requirements for electroslag remelting furnaces. 1 Scope and object This part of IEC 60519 applies to electroheat installations for remelting and, in some cases, for refining processes of metals through direct resistance heating of a conductive slag. The particular requirements for the safety of persons in or around...

IEC 60384-23-2005 pdf – Fixed capacitors for use in electronic equipment – Part 23: Sectional specification – Fixed surface mount metallized polyethylene naphthalate film dielectric DC capacitors

IEC 60384-23-2005 pdf – Fixed capacitors for use in electronic equipment – Part 23: Sectional specification – Fixed surface mount metallized polyethylene naphthalate film dielectric DC capacitors

IEC 60384-23-2005 pdf – Fixed capacitors for use in electronic equipment – Part 23: Sectional specification – Fixed surface mount metallized polyethylene naphthalate film dielectric DC capacitors. 1 General 1.1 Scope This part of IEC 60384 is applicable to fixed surface mount capacitors for direct current, with metallized electrodes and polyethylene naphthalate dielectric for use in electronic equipment. These capacitors...

BS IEC 61226-2005 pdf – Nuclear power plants — Instrumentation and control systems important to safety — Classification of instrumentation and control functions

BS IEC 61226-2005 pdf – Nuclear power plants — Instrumentation and control systems important to safety — Classification of instrumentation and control functions

BS IEC 61226-2005 pdf – Nuclear power plants — Instrumentation and control systems important to safety — Classification of instrumentation and control functions. 5 Classification scheme 5.1 Introduction Functions to be performed by I&C systems shall be assigned to categories according to their importance to safety. The importance to safety of a function shall be identified by means of the...

IEC 62255-4-2005 pdf – Multicore and symmetrical pair/quad cables for broadband digital communications (high bit rate digital access telecommunication networks) – Outside plant cables – Part 4: Aerial drop cables – Sectional specification

IEC 62255-4-2005 pdf – Multicore and symmetrical pair/quad cables for broadband digital communications (high bit rate digital access telecommunication networks) – Outside plant cables – Part 4: Aerial drop cables – Sectional specification

IEC 62255-4-2005 pdf – Multicore and symmetrical pair/quad cables for broadband digital communications (high bit rate digital access telecommunication networks) – Outside plant cables – Part 4: Aerial drop cables – Sectional specification. 1 Scope This sectional specification relates to IEC 62255-1. This standard is applicable to aerial drop cables with or without a metallic screen over the cable core,...

IEC 62271-108-2005 pdf – High-voltage switchgear and controlgear – Part 108: High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72,5 kV and above

IEC 62271-108-2005 pdf – High-voltage switchgear and controlgear – Part 108: High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72,5 kV and above

IEC 62271-108-2005 pdf – High-voltage switchgear and controlgear – Part 108: High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72,5 kV and above. 1 General 1.1 Scope and object This part of IEC 62271 applies to high-voltage alternating current disconnecting circuit- breakers for operation at frequencies of 50 Hz and 60 Hz on systems having voltages of 72,5 kV...

IEC 62297-1-2005 pdf – Triggering messages for broadcast applications – Part 1: Format

IEC 62297-1-2005 pdf – Triggering messages for broadcast applications – Part 1: Format

IEC 62297-1-2005 pdf – Triggering messages for broadcast applications – Part 1: Format. 1 Scope This part of IEC 62297 specifies an application-triggering scheme for TV broadcasting information sent from a service provider as part of a data broadcasting transmission and intended to control an application in a receiver. 2 Normative references The following referenced documents are indispensable for the...

IEC 62317-4-2005 pdf – Ferrite cores – Dimensions – Part 4: RM-cores and associated parts

IEC 62317-4-2005 pdf – Ferrite cores – Dimensions – Part 4: RM-cores and associated parts

IEC 62317-4-2005 pdf – Ferrite cores – Dimensions – Part 4: RM-cores and associated parts. 1 Scope This part of IEC 62317 specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of RM-cores and low-profile RM-cores made of ferrite, and the locations of their terminal pins on a 2,54 mm printed wiring grid in relation...

IEC 62317-7-2005 pdf – Ferrite cores – Dimensions – Part 7: EER-cores

IEC 62317-7-2005 pdf – Ferrite cores – Dimensions – Part 7: EER-cores

IEC 62317-7-2005 pdf – Ferrite cores – Dimensions – Part 7: EER-cores. 1 Scope This part of IEC 62317 specifies the dimensions that are of importance for mechanical interchangeability for a preferred range of EER-cores made of ferrite, the essential dimensions of coil formers to be used with them, and the effective parameter values to be used in calculations involving...