VA within RackWith VARIODYN® D1, the full certified and VdS approved product line for trend-setting voice alarm, an extensive product portfolio is available for the most diverse areas of application - from digital communication units and power amplifiers to compact complete systems.

Power Supplies

The emergency power supply is certified according to the standard EN 54-4 (A2), which is mandatory since August 2009 for emergency power supply of voice alarm systems. Which battery capacity and the number of devices are required to operate voice alarm system, depends on the required buffer time, power, the alarm time etc.

Additional Information:
All batteries must be ordered in pairs!