All-in-one signalling device

Issue 2 2021 Fire & Safety

With ‘Avenar all-in-one 4000’, Bosch has introduced a new range of signalling devices that combine visual and audible alarms in a single unit. Optionally, any fire detectors from the Avenar family can also be combined with the signalling device in one unit, creating a cost- and space-saving, complete solution that significantly reduces installation and maintenance effort.

The signalling devices are certified to EN54-3 and EN54-23 category C for ceiling mounting, and W for wall mounting. Due to IP42 protection, they are suitable for almost all indoor applications.

The Avenar 4000 features a low power consumption of 865 µA, allowing up to 125 devices to be installed on just one ring bus. The devices do not require complex and expensive E-30 cabling to ensure functional integrity and uninterrupted alarming in the event of a bus failure. This is possible thanks to the integrated battery with a service life of up to 10 years.

“With up to 125 devices on one ring, we are defining a new category in fire protection,” comments Sebastian Wehr, product manager at Bosch Building Technologies. “For planners, installers and operators, this opens up completely new possibilities and significant savings potential.”

Focus on usability

While developing the Avenar 4000, Bosch placed particular emphasis on ease of installation and handling as well as flexible deployment options. For example, the signalling devices can be pre-assembled and are equipped with plug-in terminals, which significantly simplifies and speeds up installation compared to screw terminals. For different areas of application, users can choose between three intensities for both visual and audible alarms. Optionally, any fire detector of the Avenar family can be combined with the signal transmitter. This allows fire detectors to be replaced separately as part of maintenance if required, even without replacing the signalling device, saving operating and maintenance costs.


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