... of access controllers, direct current will be supplied when power-down 2, CE approved 3, OEM General introductionBe ... controllers, especially electric locks and bolts.Function• Power input: standard 220Vac, 50Hz• Power Output: Standard 12VDC,3A/5A• Control electric locks ... access controller, Save project wires • Lower potential trouble • Have output NC/NO • Has delay control circuit • Unlock delay time ...