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  • BSI
    BS EN 61557-8:2007 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 - Insulation monitoring devices for IT systems
    Edition: 2007
    $435.35
    / user per year

Description of BS EN 61557-8:2007 2007

This part of IEC 61557 specifies the requirements for insulation monitoring devices (IMD) which permanently monitor the insulation resistance to earth of unearthed IT a.c. systems, for IT a.c. systems with galvanically connected d.c. circuits having nominal voltages up to 1 000 V a.c., as well as of unearthed IT d.c. systems with voltages up to 1 500 V d.c. independent from the method of measuring. This second edition cancels and replaces the first edition published in 1997. This edition constitutes a technical revision. The following changes were made with respect to the previous edition: a) definitions complemented; b) revision of some requirements; c) addition of information on operating instructions; d) sections "type tests" and "routine tests" complemented; e) modification of Table 1; f) addition of Annexes A and B. The contents of the corrigendum of May 2007 have been included in this copy.

Standard NumberBS EN 61557-8:2007
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 - Insulation monitoring devices for IT systems
StatusWithdrawn
Publication Date2007-09-28
Withdrawn Date2015-02-28
ReplacesBS EN 61557-8:1997
Replaced ByBS EN 61557-8:2015
Identical National Standard OfEN 61557-8:2007, IEC 61557-8:2007/COR1:2007, IEC 61557-8:2007
DescriptorsLow voltage, Electrical measuring instruments, Instructions for use, Safety devices, Data processing, Electrical resistance, Response time, Impedance measurement, Electrical safety, Electrical protection equipment, Marking, Electrical impedance, Low-voltage equipment, Electrical testing, Resistance measurement, Electrical insulation, Type testing, Visual inspection (testing), Rated voltage, Computer networks
ICS29.080.01 Electrical insulation in general, 29.240.01 Power transmission and distribution networks in general, 17.220.20 Measurement of electrical and magnetic quantities
CommitteePEL/85
ISBN978 0 580 54797 3
PublisherBSI
Pages26

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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