BS EN 61557-8:2015 - 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. Insulation monitoring devices for IT systems

BS EN 61557-8:2015

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. Insulation monitoring devices for IT systems

Status : Current, Under review   Published : February 2015

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This part of IEC 61557 specifies the requirements for insulation monitoring devices (IMD) which permanently monitor the insulation resistance RF to earth of unearthed a.c. IT systems, of a.c. IT systems with galvanically connected d.c. circuits having nominal voltages up to 1 000 V a.c., as well as of unearthed d.c. IT systems with voltages up to 1 500 V d.c. independent from the method of measuring.

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

NOTE

Various standards specify the use of IMDs in IT systems. In such cases, the objective of the equipment is to signal a drop in insulation resistance RF below a minimum limit.

IMDs according to this part of IEC 61557 can also be used for de-energized TT, TN and IT systems or appliances.




Standard NumberBS EN 61557-8:2015
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. Insulation monitoring devices for IT systems
StatusCurrent, Under review
Publication Date28 February 2015
Normative References(Required to achieve compliance to this standard)IEC 60721-3-3, IEC 61326-2-4, CISPR 11, IEC 60068-2-2:1974, IEC 61810-2:2017, EN 61810-2:2017, IEC 61010-1:2010, EN 61326-2-4, IEC 60721-3-2, IEC 60068-2-6, IEC 60068-2-27, EN 60068-2-27, EN 60721-3-3, IEC 60068-2-1, IEC 60721-3-1, IEC 60364-7-710:2002, EN 62109-2:2011, IEC 61557-1, IEC 60947-5-4, EN 60947-5-4, EN 61557-1, EN 60947-5-1, EN 55011, HD 60364-7-710:2012+AC:2013, EN 60068-2-1, IEC 60947-5-1, IEC 60691, IEC 61010-2-030, EN 61010-1:2010, IEC 62109-2:2011, EN 60068-2-2, EN 60068-2-6, HD 60364-7-710:2012, EN 60721-3-2, EN 60721-3-1
Informative References(Provided for Information)IEC 60364-7-712:2017, EN 60664-3:2017, EN 61557-9, HD 60364-4-41, EN 60027-7, EN 61140, IEC 60664-3, EN 60664-1, IEC 60027-7, HD 60364-7-712, IEC 61557-9, IEC 61140, IEC 60664-1, IEC 60364-4-41
ReplacesBS EN 61557-8:2007, BS EN 61557-9:2009
International RelationshipsEN 61557-8 Corr 1 (06/16) IEC,IEC 61557-8:2014,IEC 61557-8:2014/COR1:2016
Amended ByCorrigendum, June 2016; Corrigendum, March 2017
DescriptorsComputer networks, Electrical measuring instruments, Marking, Electrical testing, Resistance measurement, Electrical insulation, Response time, Electrical safety, Electrical resistance, Visual inspection (testing), Rated voltage, Low voltage, Low-voltage equipment, Electrical protection equipment, Instructions for use, Data processing, Electrical impedance, Type testing, Safety devices, Impedance measurement
ICS17.220.20
29.080.01
29.240.01
Title in FrenchSécurité électrique dans les réseaux de distribution basse tension de 1 000 V c.a. et 1 500 V C:C. Dispositifs de contrôle, de mesure ou de surveillance de mesures de protection. Contrôleur permanent d'isolement pour réseaux IT
Title in GermanElektrische Sicherheit in Niederspannungsnetzen bis AC 1 000 V und DC 1 500 V. Geräte zum Prüfen, Messen oder Überwachen von Schutzmaßnahmen. Isolationsüberwachungsgeräte für IT-Systeme
CommitteePEL/85
ISBN978 0 580 81262 0
PublisherBSI
FormatA4
DeliveryYes
Pages52
File Size1.11 MB
Price£254.00


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