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CY21 Series

  • Simple installation without cabling
  • Safe investment thanks to simple reprogramming/deletion of lost transponders
  • 7 versions to adapt any door thickness
  • 2 working mode: Offline/Online (ZKBio CVSecurity)
  • Wireless communication via NFC and Bluetooth
  • Anti Drill and Anti Pull Protection

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  • CY21 cylinder ZKTeco
  • CY21 cylinder ZKTeco
  • CY21 cylinder ZKTeco
  • CY21 cylinder ZKTeco
  • CY21 cylinder ZKTeco

CY21 Series Digital Locking Cylinders

CY21 Series are digital locking cylinders that combine all the functions and designs of a smart access control system as standard. They are extremely easy to install, sturdy and attractive for almost any door.

  • Flexibility in access management
  • Long battery service life
  • Long cylinder service life thanks to revolutionary coupling and high product quality
  • Safe investment thanks to simple reprogramming/deletion of lost transponders
  • Simple installation without cabling
  • 7 versions to adapt any door thickness
  • 4 profiles (Euro-profile, Swiss round profile, Scandinavian oval and round profile)
  • Planning security, since your digital access control can be easily extended at any time
  • 3 energy exit variants
  • 2 working mode: Offline/Online (ZKBio CVSecurity)
ModelCY21
Communcation TechnologyNFC, BLE 4.2
User Identification TechnologyMifare RFID 13.56 MHz
Supported Locking MediaMifare DESFire, Mifare Classic, Mifare Plus, Mifare Ultralight, ISO 14443 A
Programming MethodsSoftware, Master Card, Programming Card, USB Key
Battery TypeCR2
Battery Lifetime YearsDC 12V (±5%)
Maximun Operating Temperature65°C
Maximun Relative Humidity (%)99
Minimum Operating Temperature-25°C
Dimensions (L*W*H)30/30mm 35/30mm 30/35mm 35/35mm 30/40mm 40/40mm 35/40mm
Compatible SoftwareZKBio CVSecurity

Installation Guide

Download Date Files
CY21 Series Signalling Guide 12/06/2024
AttachmentSize
CY21 Series Signalling Guide1.5 MB

User Manual

Download Date Files
CY21 Series User Manual 12/06/2024
AttachmentSize
CY21 Series User Manual (offline mode)917.12 KB

Data Sheet

Download Date Files
CY21 Series Datasheet 12/06/2024
AttachmentSize
CY21 Datasheet196.65 KB