C3-400 Access Control Panel

  • Introduction
  • Features
  • Specifications


ZK Software's iAccess Systems are built on flexibility, open technology to provide management, real-time monitoring and control of your access control system - all from a browser, with no additional software to install. Our secure Web-hosted infrastructure and centralized online administration reduce your IT costs and allow you to easily manage all of your access points in a single location. C3-400's versatile design features take care of present and future needs with ease and efficiency. It is one of the most rugged and reliable controllers on the market, with a multitude of built-in features. The C3-400 can communicate at 38.4kbps via RS485 configuration or Ethernet TCP/IP networks. It can store up to 30,000 cardholders. SDK (Software Development Kit) is available for the customer to integrate the controller into existing access control software or to develop new software.


    • Over-current protection, over-voltage protection, and reversal protection for the power supply and all of the input and output terminals
    • Reliable network system of controllers using either TCP/IP or RS-485 Serial communication
    • Supports different Wiegand formats, and connects to ZK readers as well as HID, Mifare, and generic ID card readers
    • Connects with a variety of electric locks, sensors, exit buttons, alarm devices, and indicators
    • Can be integrated with other security systems such as CCTV, Intrusion Detection, Fire Alarm Release, and elevator Control for total security system. Directly compatible with ZK's biometric reader controllers
    • Easy-to-use and intuitive programming with ZKAccess Software
    • System management by browser from client PC's. No need to install software on each client
    • Programming of special logic between doors is set up with simple pull down menus. No special scripts or code is required
    • Management software allows indication of real-time door status and remote commanding of door open/close state. Alarm conditions such as forced open and extended open alarms are reported
    • Advanced access control capabilities are built into the hardware, including anti-passback, Dual and multi-Card Authentication, and Duress Mode


    • Model : C3-400
    • CPU : 32bit MIPS CPU
    • Flash Memory : 256M Bits
    • User : 30, 000
    • Event Buffer : 100, 000
    • Power/ Current : DC 9.6V-14.4V, Rated max.1A
    • Reader Port : 4ea (26bit Wiegand, 8bit for PIN)
    • Communication : RS485, TCP/P
    • Baud Rate : 38,400bps (Recommended)/ 9600bps, 57,600bps (Selectable)
    • Input Port : 12ea (Exit Button#1, Exit Button#2, Button#3, Button#4, Door Sensor#3, Door Sensor#4,Sensor#1, Door Sensor#2, Door
    • Output Port : 4ea (4 FORM-C Relay Output, SPDT 5A@36VDC/8A@30VAC)
    • LED Indicator : Yes, LED indication for communication, Power, Status & punch card
    • Operating Temp : 0°C to 55°C
    • Operating Temp :10% to 80% relative humidity non-condensing
    • Dimension (mm) :218(w)*106(H)(single board)