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

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.

Published: 02/28/1997

Pages: 15

File Size: 1 file , 85 KB

Language: English, French

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

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