ACSI 1550K-MDS Electric Motor ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$780.00
$572.00
ACSI ACSI 1550K-MDS Electric Motor Latch Retraction Modification/Kit for Sargent 80; Arrow 1000, 3000, 4000 1550K-MDS

ACSI 1550K-MDS Electric Motor Latch Retraction Kit for Sargent 80, Arrow 1000, 3000, 4000

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Model: 1550K-MDS
From the 1500 Series Collection

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

$780.00
$572.00
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ACSI 1550K-MDS ELECTRIC MOTOR LATCH RETRACTION MODIFICATION / KIT

for Sargent 80; Arrow 1000, 3000, 4000

The ACSI 1550K-MDS is part of the widely trusted 1550K Series of motorized electric latch retraction kits, engineered specifically for Sargent 80 and Arrow 1000, 3000, and 4000 series exit devices. Designed for reliability and performance, this modification provides simultaneous latch retraction and dogging in one integrated system.

Built to UL standards, the 1550K-MDS supports secure, electrified egress across commercial, institutional, and high-traffic facilities. Whether field- or factory-installed, this 1550K solution brings convenience, low power consumption, and consistent operation to your access control strategy.

Buy the ACSI 1550K-MDS Electric Motor Latch Retraction Kit for streamlined integration and a dependable hardware solution tailored to Sargent and Arrow exit devices.

Key Product Features:

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

  • UL Listed for panic and fire exit applications

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

  • Field or factory installation options

  • Quiet operation, continuous duty rated

  • Low power consumption (24VDC operation)

  • On-board diagnostic LEDs, automatic retry

  • Non-polarized leads

  • Interfaces with life-safety and alarm systems

  • Recommended with ACSI Series 1400 power supplies

Part of the ACSI 1550K Electric Latch Retraction Collection:

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

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

  • 1550K-MDS – Sargent 80; Arrow 1000, 3000, 4000

  • 1550K-MDP / MDF / MDD / MDO / MDX / MDT / MDH – For Precision, Falcon, Dorma, Dorex, Hager, and more

  • 1550K-VD – Electric Solenoid Latch Kit for Von Duprin

The 1550K Series continues to set the industry standard for reliable retrofit and factory-installed electric latch retraction modifications.

Product Specs

Subcategory:
Electric Motor Latch Retraction
Series:
1500 Series
Collection:
1500 Series
Product Type:
Electric Motor Latch Retraction Kits
Compatibilty:
Sargent 80; Arrow 1000, 3000, 4000
Warranty:
1 Year
Product Group:
Electronic Access Controls
Product Subgroup:
Parts and Accessories
Electronic:
Yes
Commercial/Residential:
Commercial
Lock Function:
Part/Component
Parts and Accessories Type:
Replacement Parts
Product Attribute:
Parts and Accessories
Tags:
1550k
Product Function:
Part/Component
Electrical Configuration:
Motorized Latch Retraction
Product Category:
Electronic Access Controls

ACSI 1550K-MDS – Frequently Asked Questions

1) What door hardware series is this modification kit compatible with?
This kit works with Sargent 80 series and Arrow 1000, 3000, and 4000 series exit devices. Verify your existing hardware model before ordering to ensure proper compatibility.
2) How does the electric motor latch retraction function work?
The motor retracts the latch bolt when activated by access control systems. This allows keyless entry while maintaining fire code compliance and life safety functions.
3) What voltage does this modification kit require?
Check the manufacturer specifications for voltage requirements. Most commercial electric latch retraction systems operate on 12V or 24V DC power supplies.
4) Can this kit be installed on existing exit devices?
Yes, this is a retrofit modification kit for compatible existing hardware. Installation requires removing the existing latch mechanism and installing the electric motor assembly.
5) Does installation require special tools or templates?
Follow the manufacturer's installation template and instructions. Standard door hardware tools are typically required. Verify door preparation requirements before starting installation.
6) Will this modification affect fire code compliance?
The exit device maintains its listed fire rating when properly installed per manufacturer instructions. Mechanical panic function remains operational during power loss.
7) What happens if power is lost to the system?
The exit device functions normally in mechanical mode during power outages. Push bar operation remains fully functional for emergency egress at all times.
8) How do I connect this to my access control system?
Wire the motor to your access controller's relay output following the wiring diagram. Consult your access control system documentation for proper connection methods.
9) What maintenance does the electric motor require?
Periodically test the electric retraction function and mechanical operation. Keep the mechanism clean and check wire connections during regular door hardware inspections.
10) Are replacement parts available for this modification kit?
Contact the manufacturer for specific replacement components. Motor assemblies and related hardware parts are typically available through authorized distributors.
11) Can this kit work with rim or mortise exit devices?
Verify compatibility with your specific exit device configuration. Different mounting styles may require different modification approaches or additional components.
How fast can I get the ACSI 1550K-MDS 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-MDS come with a warranty?
Absolutely. The ACSI 1550K-MDS 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-MDS?
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-MDS 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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