• IEC 61557-9 Ed. 1.0 b:1999

IEC 61557-9 Ed. 1.0 b:1999

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 - Part 9: Equipment for insulation fault location in IT systems

International Electrotechnical Commission , 09/24/1999

Publisher: IEC

File Format: PDF

$28.00$56.00


Specifies the requirements for insulation fault location systems which localize insulation faults in any part of the system in unearthed IT a.c. systems and unearthed IT a.c. systems with galvanically d.c. circuits having nominal voltages up to 1000 V a.c., as well as in unearthed IT d.c. systems with voltages up to 1500 V d.c., independent of the measuring principle. This part is to be used in conjunction with IEC 61557-1.

IEC 61557-9 Ed. 1.0 b:1999 History

IEC 61557-9 Ed. 4.0 b:2023

IEC 61557-9 Ed. 4.0 b:2023

$139.00 $278.00

IEC 61557-9 Ed. 3.0 b:2014

IEC 61557-9 Ed. 3.0 b:2014

$117.00 $234.00

IEC 61557-9 Ed. 2.0 b:2009
IEC 61557-9 Ed. 1.0 b:1999

More IEC Standards PDF

IEC 60848 Ed. 3.0 b:2013

IEC 60848 Ed. 3.0 b:2013

$183.00 $367.00

IEC 61300-3-14 Ed. 3.0 en:2014
IEC 61331-1 Ed. 2.0 b:2014
IEC 60793-1-20 Ed. 2.0 b:2014