Power Supplies and Accessories ASSA ABLOY Electronic Security hardware offers a full line of clean, efficient and reliable access control power supplies, power transfers and accessories to support the smallest single door systems to the largest enterprise access control systems. Power SuppliesDiscover the difference of ASSA ABLOY Electronic Security Hardware's Linear and Switching Power supplies. Power TransfersSecuritron offers a wide range of power transfers including concealed, electric hinges and door cord options. Securitron Power AccessoriesSecuritron has a variety of power accessories including Distribution Boards to support access control power supplies and power transfers.