effeff 331URF high security electric strike
Effeff
The 331U model series is guaranteed to work reliably in interlock systems, on soundproof doors and on doors where pressure is expected to act on the electric strike latch due to the structural design.
Diode (05)
Monitoring contact (RR)
Adjustable latch (FF, FaFix)
Effeff
About the effeff factory
Founded in 1936, the German effeff factory now officially the Assa Abloy Sicherheitstechnik GmbH, is a competent partner for mechanical and electromechanical security solutions making buildings protected, more secure and convenient all around the world.
The company is the developer, manufacturer and distributor of high value and versatile products of the effeff and Ikon brands with rich traditions, used both in the private, business and public sector. The Effeff products are made in Albstadt.