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The GAL Interlocks are mechanical door safety locks crafted to provide complete peace of mind, with a set of proven features that ensure a smooth and risk-free door operation. Designed to withstand impact, temperature variations, mechanical stresses, moisture and ground short circuits, our Interlocks are CSA and UL approved and have been the preferred choice for American elevator professionals for more than seventy years.

Data Forms/Notices
Type MO Interlock Information
Emergency Key Hole Location Data Table (PDF) 148.28 KB DOWNLOAD
Header Pocket Height Table (PDF) 225.92 KB DOWNLOAD
Type N Interlock Drill Templates
Swing and Slide Door Installations (Typical Mounting Arrangements) (PDF) 257.72 KB DOWNLOAD
Swing Doors Flush Mounted (Door, Jamb Drilling and Reinforcements) (PDF) 192.62 KB DOWNLOAD
Swing Doors Surface Mounted (Door, Jamb Drilling and Reinforcements) (PDF) 138.09 KB DOWNLOAD
Correcting Poor Conductivity Issues in Interlock Devices (PDF) 328.16 KB DOWNLOAD