The CT1800 is a multi-size return mechanism (2-3-4) through three mounting positions.

It incorporates EN1154 certification and is suitable for fire-rated doors.

• Model for three sizes: EN2, EN3, and EN4.
• Maximum opening up to 180° (depending on the door hinges and the environment).
• Up to 105° mounted in size 4.
• Distance between fixing holes: 19 mm.
• Fits any aluminum door.
• Reversible.

Classification based on the European regulation EN1154:1996+A1:2002.