General information :
The sentrals are compact units which include maintenance-free batteries, rectifier, feed back control and monitoring circuits. The systems is thereby an complete uninterrupted powersupply since the batteries automatically take over the load with mains failure and all function are under full monitoring by the controlunit.

Seperate circuites for fixed light and emergency light output

Key information:

Alarm output for mainsfault, chargerfault and batteryfault.LED indication of operating conditions. All outputs secured against overload, short circuit and over voltage.
Potential free alarm output for main/charger fault.
Potential free alarm output for battery failure.
Separate input for battery connection to achieve a "No-Break distribution system"
Built in battery test function, controlled automatically or externally.
Automatic protection against full discharging of batteries.