Security Door Controls

621 Power Supply

The SDC 621 1-Amp power supply provides an economical solution for access control and lock power needs. Available in three configurations including power supply board only, board with plug-in transformer or board, enclosure and plug-in transformer. Features include one switched and one auxiliary field selectable 12/24VDC output with short circuit and overload protection, auxiliary control input, a supervised emergency release input with choice of non-latching or latching contact with manual reset capability, battery charger, power supply and battery status LED indicator. Information: www.SDCsecurity.com.

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