Access control system for security enclosure

摘要: Electronic access control of a seldom-used outdoor security enclosure, such as key vault, is provided by vault lid and system whereby the procedure for opening enclosure occurs in two stages. One stage low-force electromechanical mechanisms housed within energized relatively low power source. The high-force human operator applying manual force to open lid. particularly adapted enclosures that are exposed an environment not operated extended periods time.