ACSI 1550K-MDC Electric Motor Latch Retraction Modification/Kit for Corbin Russwin ED4000, ED5000; Yale 7000

**ACSI 1550K-MDC ELECTRIC MOTOR LATCH RETRACTION MODIFICATION / KIT

for Corbin Russwin ED4000, ED5000 & Yale 7000 – OVERVIEW**

The ACSI 1550K-MDC Electric Motor Latch Retraction Kit is part of ACSI’s trusted 1550K series, engineered specifically for Corbin Russwin ED4000 / ED5000 and Yale 7000 exit devices. This 1550K MDC solution motorizes latch retraction and dogging, delivering quiet, low-power operation while meeting UL panic- and fire-exit standards.

You supply the exit device; ACSI supplies the UL-Listed modifications, plus design assistance, wiring diagrams, and technical support.

Buy the ACSI 1550K-MDC Electric Motor Latch Retraction Kit for a fast, dependable upgrade to electrified egress hardware.

Key Product Features

• Simultaneous electric latch retraction and dogging

• UL Listed for both panic & fire-exit hardware

• Fits mortise, rim, concealed & surface vertical-rod devices

• Field or factory installation options

• Quiet, continuous-duty motor; low power draw (24 VDC)

• Non-polarized leads, on-board diagnostic LEDs & auto-retry

• Interfaces easily with life-safety systems

• ACSI Series 1400 power supplies recommended

1550K Latch Retraction Kit Collection

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

• 1550K-MDC – Corbin Russwin ED4000, ED5000; Yale 7000

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

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

Whether you need a full 1550K series retrofit or the targeted 1550K MDC kit for Corbin Russwin and Yale devices, ACSI delivers reliable, code-compliant electrification for modern access-control systems.

• ACSI 1550K-MDC Electric Motor Latch Retraction Modification/Kit for Corbin Russwin ED4000, ED5000; Yale 7000 Catalog