IEC 62642-4 Ed. 1.0 b:2010
Original price was: $278.00.$139.00Current price is: $139.00.
Alarm systems – Intrusion and hold-up systems – Part 4: Warning devices
International Electrotechnical Commission , 10/07/2010
Pages: 78
IEC 62642-4:2010 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 IEC 62642-1. Requirements are also given for four environmental classes covering applications in internal and outdoor locations as specified in IEC 62599-1.
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