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US-C3-4 Door Kit


ZKAccess systems are built on flexible, open technology to provide management, real-time monitoring, and control of your access control system- all from a web browser. Simply download one instance of our free Windows-based v5.3 software (on a customer’s computer or ZKAccess InBridge appliance) and then manage the software from any computer’s web-browser which has administrative rights.

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 door controllers on the market, with a multitude of built-in features.

Be sure to inquire about ZKAccess options which can further reduce your C3 installation time and labor, including:

1) Power over Ethernet (12V 2A)
2) InBridge Server (Single-purpose management appliance with pre-loaded software)
3) Wireless Bridge (up to 300-foot range)


  • 1 pc C3-400 panel, power supply and metal cabinet
  • 1 pc CR10E – USB Card enrollment reader
  • 4 pc IP65-rated KR500E Card readers
  • 4 pc PTE-1 Exit Button
  • 50 pcs Proximity (Clamshell) cards
  • ZKAccess software



Users 30,000
Event Buffer 100,000 transactions



Reader Port

Qty. 4 26/34bit Wiegand
Qty. 4 8bit burst for PIN

Output Port

Qty. 2 1 Aux FORM-C relay output-SPDT 2A@12V DC
Qty. 2 1 FORM-C relay output-SPDT 5A@12V DC


Indicator communication, power, status and prox card


Operating Temperature 32-113 F (0-45 C)
Operating Humidity 20% to 80%


Dimensions 9″ x 10 1/2″ x 3 1/2″
Weight 3 lbs (48 ozs.)


32bit MIPS CPU


Communication RS485
Communication TCP/IP

Input Port

Qty. 12 Exit Button 1, 2, 3, 4
Qty. 12 Door Sensor 1, 2, 3, 4
Qty. 12 Aux 1, 2, 3, 4

Baud Rate

RS485 9600-28400 baud


Power Supply 9.6V-14.4V DC, 1A


Length 10″ (160 mm)
Width 6.6″ (106 mm)

Wiring Diagram

C3-400 ACCESS CONTROL PANEL - Wiring Diagram


Certification C3-400 CE Certificate Download
Certification C3-400 FCC Certificate Download
Data Sheet C3 Series Datasheet Download
Installation Guide C3 Series Installation Guide Download
Quick Start Guide C3-400 Quick Start Guide Download
Door Access Kit Part numbers and Descriptions Download


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