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Standard ČSN EN 60947-8 1.4.2004 preview

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ČSN EN 60947-8 (354101)

Low-voltage switchgear and controlgear - Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines



STANDARD published on 1.4.2004


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The information about the standard:

Designation standards: ČSN EN 60947-8
Classification mark: 354101
Catalog number: 69975
Publication date standards: 1.4.2004
SKU: NS-158899
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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Low voltage switchgear and controlgear

Annotation of standard text ČSN EN 60947-8 (354101):

Tato norma stanoví pravidla pro řídicí jednotky, které provádějí spínací funkce v reakci na tepelná čidla vestavěná do točivých elektrických strojů podle IEC 60034-11 pro průmyslové použití. Jsou stanovena pravidla pro typ systémů zahrnující čidlo tvořené termistorem s kladným teplotním součinitelem (PTC) s určitými charakteristikami a přidruženou řídicí jednotku.

These changes apply to this standard:

Preview ČSN EN 60947-8:2004/A1 1.7.2007
ČSN EN 60947-8:2004/A1 (354101) Change

Spínací a řídicí přístroje nn - Část 8: Řídicí jednotky pro vestavné tepelné ochrany (PTC) točivých elektrických strojů.

Change published on 1.7.2007

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Preview ČSN EN 60947-8:2004/A2 1.12.2012
ČSN EN 60947-8:2004/A2 (354101) Change

Spínací a řídicí přístroje nn - Část 8: Řídicí jednotky pro vestavné tepelné ochrany (PTC) točivých elektrických strojů.

Change published on 1.12.2012

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Preview ČSN EN 60947-8:2004/Z1 1.9.2023
ČSN EN 60947-8:2004/Z1 (354101) Change

Spínací a řídicí přístroje nn - Část 8: Řídicí jednotky pro vestavné tepelné ochrany (PTC) točivých elektrických strojů.

Change published on 1.9.2023

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Preview of the standard ČSN EN 60947-8 (354101)

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