ACSI 1550K-MDO Electric Motor ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$740.00
$441.89
ACSI 1550K-MDO Electric Motor Latch Retraction Modification Kit for Falcon 1690 and 1790 — circuit board, motor assembly, and mounting hardware shown

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

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Model: 1550K-MDO
From the 1500 Series Collection

In Stock (leaves warehouse same day if ordered before 3pm ET)

$740.00
$441.89
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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 enables both motorized latch retraction and dogging functions — ideal for applications requiring electrified exit hardware with reliable daily operation.

UL Listed and ready to install in the field or at the factory, the 1550K-MDO is the proven choice for access-controlled doors on commercial egress systems.

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 – Dorma, Hager, Sargent, Precision, Falcon, Design Hardware, Dorex
  • 1550K-VD – Solenoid kit for Von Duprin 33/35, 98/99

Specifying 1550K series components for commercial egress or access control? The 1550K-MDO delivers the dependable power and performance required for today's electrified door systems.

Product Specs

Subcategory:
Electric Motor Latch Retraction
Series:
1500 Series
Collection:
1500 Series
Product Type:
Electric Motor Latch Retraction Kits
Compatibilty:
Falcon 1690, 1790
Warranty:
1 Year
Product Group:
Electronic Access Controls
Product Subgroup:
Parts and Accessories
Commercial/Residential:
Commercial
Electronic:
Yes
Lock Function:
Part/Component
Parts and Accessories Type:
Replacement Parts
Product Attribute:
Parts and Accessories
Tags:
1550k mdo, 1550k, electronic latch retraction
Product Function:
Part/Component
Electrical Configuration:
Motorized Latch Retraction
Product Category:
Electronic Access Controls
Department:
Door Hardware

ACSI 1550K-MDO – Frequently Asked Questions

1) What is the ACSI 1550K MDO modification kit used for?
This kit modifies Falcon 1690 and 1790 motorized operators to include electric motor-driven latch retraction. It enables remote latch operation for controlled access applications.
2) Which Falcon operators is this kit compatible with?
The 1550K kit is designed specifically for Falcon 1690 and 1790 series motorized door operators. Verify your exact model number before installation.
3) Does this kit work with manual door operators?
No. This modification requires existing motorized Falcon 1690 or 1790 operators. It cannot be installed on manual door hardware.
4) What voltage does the motor latch retraction operate on?
Verify voltage requirements with manufacturer specifications. Most commercial operators use 24V DC systems but confirm compatibility with your existing setup.
5) Can this be used on fire-rated door assemblies?
Check with local authority having jurisdiction and fire marshal. Some jurisdictions restrict electric latch modifications on fire doors. Verify code compliance before installation.
6) What components are included in the modification kit?
Kit typically includes motor assembly, mounting hardware, and wiring components. Refer to manufacturer documentation for complete parts list and specifications.
7) Is professional installation required?
Yes. This modification involves door operator disassembly and electrical connections. Hire qualified door technicians familiar with Falcon motorized systems.
8) Does installation affect operator warranty?
Modifications may impact existing warranties. Check with Falcon and your door installer about warranty implications before proceeding with installation.
9) How is the latch retraction activated?
Activation typically connects to access control systems, keypads, or card readers. Wiring integrates with existing security hardware for remote operation.
10) What maintenance does the motor latch require?
Regular inspection of motor function and electrical connections. Follow manufacturer service intervals and lubrication schedules for optimal performance.
11) Are there similar kits for other Falcon operator models?
Different Falcon operators may have specific modification kits available. Check with manufacturer for compatibility with other series like 1600 or 1800 models.
How fast can I get the ACSI 1550K-MDO delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the ACSI 1550K-MDO come with a warranty?
Absolutely. The ACSI 1550K-MDO is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the ACSI 1550K-MDO?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the ACSI 1550K-MDO from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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