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  4. Standard "STN EN 61557-7"
Standard STN EN 61557-7 1.12.2007 preview

STN EN 61557-7 (356230)

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 7: Phase sequence



STANDARD published on 1.12.2007


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The information about the standard:

Designation standards: STN EN 61557-7
Classification mark: 356230
Catalog number: 104617
Publication date standards: 1.12.2007
SKU: NS-530730
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Slovak technical standard
Category: Technical standards STN

We recommend simillar standard:!

ČSN EN 61557-7 (01.10.1998)

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The category - similar standards:

Measurement of electrical and magnetic quantities

Annotation of standard text STN EN 61557-7 (356230):

Táto časť IEC 61557 stanovuje požiadavky na meracie zariadenia určené na zisťovanie sledu fáz v trojfázových rozvodných sieťach.

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Latest update: 2025-01-30 (Number of items: 2 222 395)
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