ACSI 1550K-MDO Electric Motor Latch Retraction Modification/Kit for Falcon 1690, 1790

ACSI 1550K-MDO ELECTRIC MOTOR LATCH RETRACTION MODIFICATION / KIT

for Falcon 1690, 1790

The ACSI 1550K-MDO is part of the trusted 1550K Series of electronic latch retraction solutions, engineered for seamless retrofit into Falcon 1690 and 1790 series exit devices. This high-performance kit allows for both motorized latch retraction and dogging functions, making it ideal for applications requiring electrified exit hardware with reliable daily operation.

Whether you're sourcing 1550K MDO for a Falcon setup or looking for a proven electronic latch retraction solution for your access-controlled doors, this model is UL Listed and ready to install in the field or at the factory.

Buy the ACSI 1550K-MDO Electric Motor Latch Retraction Kit for fast, dependable electrification of Falcon exit devices.

Key Product Features:

• Simultaneous electronic latch retraction and dogging (push bar depressed)

• UL Listed for both panic and fire-rated exit hardware

• Compatible with mortise, rim, concealed, and surface vertical rod devices

• Quiet motor, continuous duty rated

• 24VDC low power consumption

• On-board diagnostic LEDs with auto-retry functionality

• Non-polarized wiring leads

• Interfaces with fire alarm and life-safety systems

• ACSI Series 1400 power supplies recommended

Part of the ACSI 1550K Series:

• 1550K-MDV / MDV22 – Von Duprin 33A/35A/98/99, 22

• 1550K-MDC – Corbin Russwin ED4000 / 5000, Yale 7000

• 1550K-MDD / MDT / MDS / MDP / MDF / MDH / MDX / MDO – For Dorma, Hager, Sargent, Precision, Falcon, Design Hardware, Dorex

• 1550K-VD – Solenoid kit for Von Duprin 33/35, 98/99

If you’re specifying 1550K series components for commercial egress or access control systems, the 1550K MDO kit offers the dependable power and performance required for today’s electrified door systems.