S4A Industrial Co., Limited, Founded in 2010, We have been dedicating in access control production R&D and sales for 12 year.
S4A mainly produces a series of security Door Access Control such as:Network Access Controller, Locker board, Electromagnetic lock, Standalone door Controller, Automatic door opener, etc. Electromagnetic lock has various styles, including holding force 60kg, 180kg, 280kg, 350kg, 500kg,1200kg magnetic lock. Single door and double door EM lock. Functions are with led, with feedback, with timer. With anti-residual magnetism designed and complete mouning brackets, magnetic locks are widely used for glass door, wooden door, fireproof door, sliding door and metal door.
ACB-R01 RS485 Single door access Control Board with free software Control 1 door and 2pcs RFID reader
Double door RS485 access Control board with free software to manage userscontrol 2doors, support 2pcs RFID access reader and 2pcs exit button or 4pcs reader for in and out
Four-door RS485 access Control board with free software to manage userscontrol 4doors, support 4pcs RFID access reader and a 4pcs exit button for In and Out
Work with ACB-R01, ACB-R02, ACB-R04 control board only
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