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Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 2: Shock and bump tests
STANDARD published on 1.3.1998
Designation standards: ČSN EN 60255-21-2
Classification mark: 353522
Catalog number: 50908
Publication date standards: 1.3.1998
SKU: NS-155971
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Tato norma je částí z řady norem, které stanovují požadavky na vibrace, údery a rázy a seismickou odolnost pro měřicí relé a ochranná zařízení (s kontakty nebo bez nich).
Tato norma obsahuje dva typy zkoušek:
Požadavky této normy platí pouze pro nová měřicí relé a ochranná zařízení v nepoužitém stavu.
Zkoušky uvedené v této normě jsou zkoušky typové.
Předmětem této normy je stanovit:
WITHDRAWN
1.9.2010
1.3.1998
1.3.1998
WITHDRAWN
1.11.2008
WITHDRAWN
1.2.2009
WITHDRAWN
1.5.2009
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