The FULLEON 1350/1360 series electromagnetic door retainers provide a robust and simple solution for controlling door access. Ideal for a wide range of applications including nursing homes, hospitals, schools, and industrial premises, these retainers allow doors to be held open under normal conditions while automatically releasing in the event of a fire alarm. They offer versatile holding settings, high holding force, and low current consumption, making them suitable for both large and small fire doors. The design incorporates protection diodes and an adjustable damping keeper plate for enhanced performance and ease of installation.