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  • BSI
    BS EN 61557-9:2015 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Equipment for insulation fault location in IT systems
    Edition: 2017
    $442.60
    / user per year

Description of BS EN 61557-9:2015 2017

This part of IEC 61557 specifies the requirements for the insulation fault location system (IFLS) which localizes insulation faults in any part of the system in unearthed IT a.c. systems and unearthed IT a.c. systems with galvanically connected d.c. circuits having nominal voltages up to 1 000 V a.c., as well as in unearthed IT d.c. systems with voltages up to 1 500 V d.c., independent of the measuring principle.

IT systems are described in IEC 60364‑4‑41 amongst other literature. Additional data for a selection of devices in other standards should be noted.

NOTE

Further information on insulation fault location can be found in the following standards: IEC 60364‑4‑41:2005, 411.6, and IEC 60364‑5‑53:2001, 531.3.



Standard NumberBS EN 61557-9:2015
TitleElectrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. Equipment for testing, measuring or monitoring of protective measures - Equipment for insulation fault location in IT systems
StatusRevision Underway
Publication Date2017-03-31
ReplacesBS EN 61557-9:2009
Identical National Standard OfEN 61557-9 Corr 2 (01/17) IEC AS, IEC 61557-9:2014/CR2:2017
CorrectsBS EN 61557-9:2015
DescriptorsElectrical faults, Safety devices, Computer hardware, Computers, Defects, Electric power distribution, Accident prevention, Electrical measuring instruments, Low voltage, Computer networks, Electrical safety, Low-voltage equipment, Electrical protection equipment, Electrical insulation
ICS29.080.01 Electrical insulation in general, 17.220.20 Measurement of electrical and magnetic quantities, 25.040.40 Industrial process measurement and control
CommitteePEL/85
ISBN978 0 580 97636 0
PublisherBSI
Pages34

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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