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This part of IEC 60695 describes test methods which measure corrosion damage effects, on targets, of fire effluent from the combustion of test specimens. Both leakage current and metal loss can be measured by using appropriate targets. The decomposition model used in this technical...
This part of IEC 61557 defines special performance requirements for hand-held and handmanipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems up to 1 000 V a.c. and 1 500 V d.c., taking into account the influence of high...
This part of IEC 61557 defines special performance requirements for hand-held and handmanipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems up to 1 000 V a.c. and 1 500 V d.c., taking into account the influence of high...
This part of IEC 61557 defines special performance requirements for hand-held and handmanipulated current clamps and sensors for measurement of leakage currents in electrical distribution systems up to 1 000 V a.c. and 1 500 V d.c., taking into account the influence of high...
Current transformers for frequencies 14 Hz to 100 Hz for use with electrical measuring instruments and electrical protective devices. Ratings; accuracy; tests; rating-plate and terminal markings. Appendices on guidance in application of current transformers: short-time rating; maximum...
3.1 Insulation resistance is useful for design verification, quality control of materials, and workmanship. 3.2 Low insulation resistance can cause high leakage currents. 3.3 High leakage currents can lead to deterioration of the insulation or false triggering of the...
Insulation resistance is useful for design verification, quality control of materials, and workmanship. Low insulation resistance can cause high leakage currents. High leakage currents can lead to deterioration of the insulation or false triggering of the associated...
Insulation resistance is useful for design verification, quality control of materials, and workmanship. Low insulation resistance can cause high leakage currents. High leakage currents can lead to deterioration of the insulation or false triggering of the associated...
IEC 61557-16:2014 defines performance requirements for test and measurement equipment to determine the effectiveness of the protective measures of electrical measures for electrical equipment and/or medical electrical equipment described in IEC 62353. It is the intention of this standard to achieve...
This standard specifies standard current ratings for electrical devices, apparatus, instruments and equipment and should be applied to the designing of utilization systems or equipment as well as to operating characteristics. This standard does not apply to current ratings of...
Gives standard current ratings in the range 1 A to 200 000 A.
Rated voltages up to 500 V, rated currents up to 200 A. Ratings, construction, performance, type and routine tests. Appendices: service conditions, application of earth-leakage circuit-breakers, installation, function of test device, effect of earth electrode resistance.
1.1 This test method describes determination of the comparative corrosion preventative characteristics of materials used for applications to joints, couplings, irregular fittings, and patched areas in coated pipelines. The test method is applicable to materials whose principal function is to act as...
1.1 This test method describes determination of the comparative corrosion preventative characteristics of materials used for applications to joints, couplings, irregular fittings, and patched areas in coated pipelines. The test method is applicable to materials whose principal function is to act as...
This part of IEC 60044 applies to newly manufactured electrical current transducers having an analogue voltage output or a digital output, for use with electrical measuring instruments and electrical protective devices at nominal frequencies from 15 Hz to 100 Hz. Clause 12 covers the...
This part of IEC 60044 applies to newly manufactured current transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. Although the requirements relate basically to transformers with separate windings, they are also...
