Von Duprin 47447541 Modular HD-QEL Motorized Latch Retraction Conversion Kit, With Hex Key Dogging, 36" or 48" Applications, For Use with 22 Series Manufactured After January 1, 2022

Von Duprin 47447541 kit is designed for the 36" or 48" applications of the Modular QEL Motorized Latch Retraction Conversion Kit. It is compatible with 22 Series manufactured after January 1, 2022.

• Modular QEL has two primary applications: to momentarily retract a latch bolt, either via access control; and to retract the latch bolt for extended period of time, which is an alternative to mechanical dogging. 
• The modular QEL conversion kit should be selected unless the product is currently a solenoid driven latch retraction device (EL).
• QEL board has electronic LEDs, providing visual indication of any errors.
• Energy efficient motorized latch retraction.
• Quiet operation in both mechanical and electronic states.