$200 for power supply and back up board together power supply $175 back up board $ 75 Back up board details: • Add-on board to the PS-LR • Must be supplied with 2 each 12V – 7AH batteries (by others). Manufacturer Adams Rite ASSA ABLOY Model BBK-LR Input Voltage 12 VDC U.L. Listed UL Listed Weight 0.5000 Power Supply: Open Hold Times The PS-LR has two open hold timers.
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