IEC 61557-7 Ed. 1.0 b:1997 PDF

IEC 61557-7 Ed. 1.0 b:1997 PDF

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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
standard by International Electrotechnical Commission, 02/28/1997

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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.

Product Details

Edition:
1.0
Published:
02/28/1997
Number of Pages:
15
File Size:
1 file , 85 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus

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