Exterior Door Mortise Lock DDML009 delivers a reliable locking solution for entrance doors where durability, fire resistance, and consistent performance are essential. Engineered for both commercial and residential applications, this lock integrates a solid stainless steel 304 internal structure with a galvanized steel case to maintain long-term mechanical stability under frequent operation. Certified to CE EN12209 and DIN 18251 Grade 3 standards, and tested for 200,000 cycles, it ensures dependable function across demanding environments. With a fire rating of up to 260 minutes under EN1634, it supports projects requiring strict safety compliance. Multiple backset options from 55 mm to 80 mm allow flexible installation across various door configurations, including wooden and metal doors. Cylinder operation can control both latchbolt and deadbolt depending on the selected configuration, offering adaptability for different security requirements.