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  • BSI
    BS EN 61557-12:2008 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Performance measuring and monitoring devices (PMD)
    Edition: 2008
    $538.63
    / user per year

Description of BS EN 61557-12:2008 2008

Specifies requirements for combined performance measuring and monitoring devices that measure and monitor the electrical parameters within electrical distribution systems. These requirements also define the performance, in single and three-phase a.c. or d.c. systems having rated voltages up to 1 000 V a.c. or up to 1 500 V d.c. These devices are fixed installed or portable. They are intended to be used indoors and/or outdoors. This standard is not applicable for: - electricity metering equipment that complies with IEC 62053-21, IEC 62053-22 and IEC 62053-23. Nevertheless, uncertainties defined in this standard for active and reactive energy measurement are derived from those defined in the IEC 62053 standards series. - simple remote relays or simple monitoring relays. This standard is intended to be used in conjunction with IEC 61557-1 (unless otherwise specified), which specifies the general requirements for measuring and monitoring equipment, as required in IEC 60364-6. The standard does not include the measurement and monitoring of electrical parameters defined in Parts 2 to 9 of IEC 61557 or in IEC 62020. Combined performance measuring and monitoring devices (PMD), as defined in this standard, give additional safety information, which aids the verification of the installation and enhances the performance of the distribution systems. For instance, those devices help to check if the level of harmonics is still compliant with the wiring systems as required in IEC 60364-5-52. The combined performance measuring and monitoring devices (PMD) for electrical parameters described in this standard are used for general industrial and commercial applications. A PMD-A is a specific PMD complying with requirements of IEC 61000-4-30 class A, which may be used in "power quality assessment" applications.

Standard NumberBS EN 61557-12:2008
TitleElectrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Performance measuring and monitoring devices (PMD)
StatusWithdrawn
Publication Date2008-06-30
Withdrawn Date2022-03-07
Replaced ByBS EN IEC 61557-12:2022, BS EN IEC 61557-12:2022+A1:2022
Identical National Standard OfIEC 61557-12:2007, EN 61557-12:2008, IEC 60252-1:2001, EN 60252-1:2001
DescriptorsLow-voltage equipment, Electrical safety, Electrical measuring instruments, Safety devices, Measuring instruments, Low voltage, Probes, Electrical measurement, Electrical protection equipment, Electric power distribution, Performance testing
ICS17.220.20 Measurement of electrical and magnetic quantities, 29.240.01 Power transmission and distribution networks in general, 29.080.01 Electrical insulation in general
CommitteePEL/85
ISBN978 0 580 56285 3
PublisherBSI
Pages82

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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