Door Closer
Door Hardware

Fire 448 Lucky

Electrical door openers with the Lucky Strike effect uniquely combine the advantages of direct current and alternating current door openers. You can find the right model for your application in a uniform product range – with a certification according to BS EN 14846 and the proven dormakaba quality. Door openers with the Lucky Strike effect are available for all conventional operational voltages and with an extensive range of accessories.

  • No alarm signal during the activation
  • Improved preload behaviour
  • LH / RH neutral installation
  • Operation with multivoltage:12 and 24 V DC
  • Integrated overvoltage protection
  • Fire protection clearance in any position

Product details

Controlled access, convenience and security

The Fire 448 Lucky fire door opener is well-suited for the convenient release of fire and smoke doors, for example when combined with intercoms or access control. Wherever controlled access, security and convenience are indispensable, the special advantages of the Lucky Strike effect guarantee universal applicability and a reliable door release.

Considerable simplification in planning and installation

The symmetrically designed housing makes it possible to install the Fire 448 Lucky in any position (LH / RH), which makes the daily planning and installation work much easier. Uniform housing dimensions, a simple connection to all conventional operational voltages and an adjustable latch guarantee an effortless adjustment to a wide range of doors and construction features.

Consistent product benefits

The practical Lucky Strike effect offers considerably improved preload behaviour and makes it possible to activate the door opener without an alarm signal. Integrated overvoltage protection effectively prevents damage to preconnected products, such as access control. The Fire 448 Lucky is equally suitable for flush-closing and non-rebated doors. Proof of suitability required.


The Fire 448 Lucky is available in an operating current design and can be operated with multivoltage between 12 and 24 V DC. Operations with alternating voltage between 12 and 24 V AC are optionally possible with a GL rectifier module. The door opener is also available in versions with a feedback contact and easy-adapt latch guide.