The ZKTeco C3-400 is a professional 4-door IP-based access control panel designed to provide secure, scalable, and centralized access management for offices, commercial buildings, factories, educational institutions, hospitals, and industrial facilities. Supporting up to 4 doors and 4 Wiegand readers, it delivers reliable door control with advanced built-in access control functions.

The controller supports 30,000 cardholders and 100,000 event logs, making it suitable for medium to large-scale security deployments. With TCP/IP and RS485 communication, the C3-400 enables real-time monitoring and centralized management through ZKTeco software. Advanced features such as Anti-Passback, First Card Opening, Multi-Card Opening, Duress Password, and Auxiliary Input/Output Linkage provide enhanced security and operational flexibility.

Key Features

• Controls up to 4 doors.
• Supports up to 4 Wiegand readers (26-bit standard, others available upon request).
• Stores up to 30,000 cardholders.
• Stores up to 100,000 event logs.
• TCP/IP and RS485 communication for centralized management.
• 12 inputs (4 exit buttons, 4 door sensors, and 4 auxiliary inputs).
• 8 relay outputs (4 door lock relays and 4 auxiliary relays).
• Advanced access control features including Anti-Passback, First Card Opening, Multi-Card Opening, Duress Password, and Auxiliary Linkage.
• Supports firmware upgrades without specialized tools.
• Compatible with ZKAccess and other supported ZKTeco access control management software.