Standard IEC standard · IEC 60449:1973/AMD1:1979

Amendment 1 - Voltage bands for electrical installations of buildings

Status: Upphävd

· Ersätts av: IEC 61140:2016
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Standard IEC standard · IEC 60449:1973/AMD1:1979

Amendment 1 - Voltage bands for electrical installations of buildings
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Omfattning
Classification of d.c. installations according to their nominal voltage. As for a.c. a distinction has been made between two bands when the lower band relates mainly to installations whose voltages are restricted for safety reasons. Covers all voltages from zero up to and including 120 V ripple-free d.c.

Ämnesområden

Allmänt Elektroteknik (29.020) Elinstallationer (91.140.50)


Köp denna standard

Standard IEC standard · IEC 60449:1973/AMD1:1979

Amendment 1 - Voltage bands for electrical installations of buildings
Prenumerera på standarden - Läs mer Dölj
Pris: 250 SEK
standard ikon pdf

PDF

Pris: 250 SEK
standard ikon

Papper

Fler alternativ Färre alternativ

Produktinformation

Språk: Engelska Franska

Framtagen av: IEC

Internationell titel: Amendment 1 - Voltage bands for electrical installations of buildings

Artikelnummer: STD-122068

Utgåva: 1

Fastställd: 1979-01-01

Antal sidor: 3

Tillägg till: IEC 60449:1973

Ersätts av: IEC 61140:2016