Download the Data Sheet for Technical Specifications and Ordering Information.
|VS-EVS-OSA||Type A Fire Telephone Handset in SS Enclosure, Surface Mount|
All Technoswitch Emergency Voice Communications Systems (EVCS) are designed to comply fully with the requirements of BS 5839-9:2011 for use as a Fire Telephone system (FT), Disabled Refuge system (DRS), or as a combined system when both Fire Telephones and Disabled Refuge call points are required.
An EVCS is a fixed, secure, bi-directional, full duplex voice communication system to assist fire fighters during emergencies in high-rise buildings or large sites where radio communication cannot be guaranteed to work due to interference from the fire corona.
The VS-EVS-OSA is a Type A Outstation as defined in BS 5839-9:2011, and can be used as a Fire Telephone or a Disabled Refuge call point.