Bulgarian Institute for Standardization
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E-mail: info@bds-bg.org
1797 Sofia, 13 "Lachezar Stanchev" Str., "Izgrev" Complex
ID number: 175079183, VAT number: BG175079183
БДС EN 50131-4:2009
Alarm systems - Intrusion and hold-up systems - Part 4: Warning devices
Aug 21, 2009
95.99 Withdrawal of Standard Dec 16, 2021
Scope
This European Standard includes requirements for warning devices used for notification in intrusion and hold up alarm systems installed in buildings. Four grades of warning device are described corresponding to each of the four security grades given in EN 50131-1. Requirements are also given for four environmental classes covering applications in internal and outdoor locations as specified in EN 50130-5.
Life cycle
NOW
WITHDRAWN
БДС EN 50131-4:2009
95.99
Withdrawal of Standard
Dec 16, 2021
REVISED BY
PUBLISHED
БДС EN 50131-4:2019