IEC 60247 pdf download Insulating liquids – Measurement of relative permittivity, dielectric dissipation factor (tan δ δ ) and d.c. resistivity 1 scope This International standard describes methods for the determination of the dielectric dissipationfactor (tan o), relative permittivity and d.c. resistivity of any insulating liquid material at the testtemperature. The methods are primarily intended for making reference tests on...
IEC 60317-11 pdf download Specifications for particular types – of winding wires – Part 11: Bunched solderable polyurethane enamelled round copper wires, class 130, with silk covering 1Scope This International Standard specifies the requirements of bunched solderable polyurethaneenamelled round copper winding wires, class 130, with silk covering. This covering consists of one or two layers of silk. The single wire...
IEC 60336 pdf download Medical electrical equipment – X-ray tube assemblies for medical diagnosis – Characteristics of focal spots This International Standard applies to FOCAL SPOTs in medical diagnostic X-RAY TUBEassemblies for medical use, operating at X-RAY TUBE VOLTAGEs up to and including 200 kV. This International Standard describes the test methods for evaluating FocAL sPOT character-istics and the means...
IEC 60364-1 pdf download Low-voltage electrical installations – Part 1: Fundamental principles, assessment of general characteristics, definitions IEC 60364-1 gives the rules for the design, erection,and verification of electrical installations.The rules are intended to provide for the safety of persons, livestock and property againstdangers and damage which may arise in the reasonable use of electrical installations and toprovide for the...
IEC 60376 pdf download Specification of technical grade sulfur hexafluoride (SF 6 ) for use in electrical equipment 1 Scope This International Standard defines the quality requirements and properties for technicalgrade sulfur hexafluoride (SF) for use in electrical equipment. It covers the properties andmethods of test applicable to SF。 when this substance is supplied for use in connection withany electrical...
IEC 60384-6 pdf download Fixed capacitors for use in electronic equipment – Part 6: Sectional specification – Fixed metallized polycarbonate film dielectric d.c. capacitors This part of lEC 60384 applies to fixed capacitors for direct current with metallized electrodesand polycarbonate dielectric for use in electronic equipment. These capacitors may have “self-healing properties” depending on conditions of use.Theyare primarily intended for...
IEC 60384-16 pdf download Fixed capacitors for use in electronic equipment – Part 16: Sectional specification: Fixed metallized polypropylene film dielectric d.c. capacitors 1General1.1scope This part of IEC 60384 applies to fixed capacitors with metallized electrodes and poly-propylene dielectric for use in electronic equipment. These capacitors may have “self-healing properties” depending on conditions of use. Theyare mainly intended for use...
IEC 61399 pdf download Barrel thread for lampholders with shade holder ring 1 ) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to...
IEC 60447 pdf download Basic and safety principles for man-machine interface, marking and identification – Actuating principles 1scope This International Standard establishes general actuating principles for manually operatedactuators forming part of the man-machine interface associated with electrical equipment, inorder to: increase the safety (e.g. of persons, property, environment) through the safe operation ofthe equipment; -facilitate the proper and timely operation...
IEC 60708 pdf download Low-frequency cables with polyolefin insulation and moisture barrier polyolefin sheath This standard is intended to define polyolefin-insulated cables for insertion into local outdoornetworks. This standard is applicable to polyolefin insulated and moisture barrier polyolefin sheathedtelephone cables, filied or unfilled with copper conductors, and used as: a) Cables suitable for installation in ducts. b) Cables suitable for...