dormakaba high security locks for different purposes
Safe Locks

La Gard 3390 - Mechanical Combination Safe Lock

Adjustable 3-disc combination lock with deadbolt for secure storage units CEN III-V.

Approx. 1 million theoretical differences.

Standard dimensions with 3 screw-on score points.

Bolt and lever are die-cast. The changeover is initiated via a changeover activator on the back of the lock.

In combination with bolt mechanisms, a maximum of 10 N compressive/tensile forces may act on the lock.


Product details


  • EN 1300 B, ECB-S, VdS class 2 and BSI approval with dial and ring combination), UL 1


  • 3 wheels
  • Integrated relocker: bolt blocking in case of manipulation of the lock cover
  • Die-cast lock case, bolt and drop lever
  • Hardware pack: change key, spline key
  • 2 screws 1/4 - 20 x 3/8 PH, 2 screws 1/4 - 20 x 1 PH, metric hardware available
  • Spline key, suitable for all LA GARD dial and ring combinations/spindles
  • Weight approx. 460 g

Admissible mounting positions

  • Right hand, left hand, vertical up, vertical down