For access control, the CL33900 Series Electrified Cylindrical lockset utilizes the proven CL3300 series lockset and features an integral continuous duty solenoid that allows installation in a standard cylindrical prep. Available in Fail Safe or Fail Secure, the CL33900 is ideal for door control where increased security is necessary at all times, while meeting life safety codes. The CL33900 Series is ideal for door control where increased security is necessary at all times, while meeting lifesafety codes.  Provides remote locking and unlocking, utilizing the proven CL3300 Series Cylindrical Lockset. Utilizes the CL3300 Series Cylindrical Lockset with LeverRelease? Mechanism? Self-contained integral solenoid allows installation in modifiedcylindrical prep Minimal power requirements ? device is designed to lock orunlock as the situation demands Available in either 12 or 24VAC/VDC Mechanical cylinder override? Fail Safe and Fail Secure mode available Optional M92 Request to Exit (REX) switch ElectroLynx? 8-pin connector