IEC 61557-7 Ed. 1.0 b:1997

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 - Part 7: Phase sequence

International Electrotechnical Commission, 02/28/1997

Publisher: IEC

File Format: PDF

$16.00$32.00

Description

Published:28/02/1997

Pages:15

File Size:1 file , 85 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

Specifies requirements for measuring equipment applied to testing th e phase sequence in three-phase distribution systems. Indication of the phase sequence may be mechanical, visual and/or audible.

More IEC standard pdf

IEC 60050-845 Ed. 1.0 b:1987

International Electrotechnical Vocabulary (IEV) - Part 845: Lighting

$205.00 $410.00

IEC 60050-845 Ed. 1.0 t:1987

International Electrotechnical Vocabulary (IEV) - Part 845: Lighting

$205.00 $410.00

IEC 61672-3 Ed. 1.0 b:2006

Electroacoustics - Sound level meters - Part 3: Periodic tests

$44.00 $88.00

IEC 61158-3-7 Ed. 1.0 en:2007

Industrial communication networks - Fieldbus specifications - Part 3-7: Data-link layer service definition - Type 7 elements

$102.00 $205.00