Schlage 510ULAC 3 amp Power Supply
UL 294 Listed for access control. High reliability and easy installation. Supplied standard with AC input and battery monitoring circuits for real-time status of the power supply.

Schlage 505ULAC 1 amp Power Supply
UL 294 listed for access control. 1 amp filtered and regulated device. Built-in charging circuit, battery monitor and AC monitor. Voltage is field selectable for 12 or 24 VDC.