Secondary power supply source redundant addressable IVEPR 12/5 RS-R2 is designed for uninterrupted power supply of means of security and fire alarm system with constant voltage of 12 V. Backup is provided by two sealed maintenance-free lead batteries of 12 V nominal voltage, 12 A*h capacity, installed in the source housing. The source is resistant to polarity reversal when connecting the batteries and shorting of the battery connection terminals.
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