• Field-install Command Access MLRK1-VD motorized latch retraction kit for Von Duprin 33/35 & 98/99 exit devices with built-in REX, PTS adjustment, and MM5 module.
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Command Access

Command Access MLRK1-VD Motorized Latch Retraction Kit — For Von Duprin 33/35 & 98/99 Series Exit Devices (Field Install, UL, 3-Year Warranty)

Command Access MLRK1-VD Motorized Latch Retraction Kit — For Von Duprin 33/35 & 98/99 Series Exit Devices (Field Install, UL, 3-Year Warranty)

$445.00 USD
$445.00 USD
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Upgrade Von Duprin 33/35 & 98/99 Exit Devices to Motor-Driven Latch Retraction

The Command Access MLRK1-VD is a drop-in, field-install motorized latch retraction kit for Von Duprin 33/35 and 98/99 Series exit devices. It converts a mechanical device to an electrified latch pullback solution with Push-to-Set (PTS) fine adjustment, a built-in REX switch, and the next-gen MM5 Smart Module for onboard diagnostics and efficient power management. UL Listed and backed by a 3-year “no hassle” warranty.

Why installers choose MLRK1-VD

  • True field kit — quick install with minimal modification to the rail.
  • Fast, quiet, smooth, and strong motor performance.
  • PTS post-install fine adjustment (≈ 1/4").
  • Built-in Request-to-Exit (REX) is standard on every unit.
  • MM5 Smart Module provides onboard diagnostics and audible feedback.
  • Standard-torque mode is capable of pulling even tall vertical rod devices.
  • Electric dogging rated for continuous duty with auto re-engage if the pushpad is pulled.
  • Alternative to Von Duprin QEL retrofit kits for many applications.*

*Verify model compatibility, listings, and AHJ requirements for your project.

Compatibility

Works with all Von Duprin 33/35 and 98/99 Series exit devices.

Specifications

Voltage Range 24–28 VDC (over-voltage protection: unit shuts down > 28 VDC)
Current (Standard) Peak ≈ 900 mA; Hold ≈ 215 mA
Control Module MM5 Smart Module with onboard diagnostics
Modes Standard torque (energy-conscious) with capability for difficult vertical rod doors
PTS Adjustment ≈ 1/4″
Built-in REX Yes (VDREXKIT-ED integrated on all units)
Wire Run Up to 300′ with 18 AWG
Cutdown Details 36″/48″ rails — 6.5″ filler plate required
Duty Rating Electric dogging rated continuous; auto re-engage if pushpad is pulled
Listings UL Listed
Warranty 3-Year “No Hassle” Warranty

Installer Notes

  • Confirm device series, handing, and cut length before energizing.
  • Use a regulated 24 VDC supply sized for inrush; verify 24–28 VDC at the rail under load.
  • Route and secure cabling to avoid pinch points in the rail and hinge side.
  • Integrate REX contacts per your access control panel’s input requirements.

What’s Included

MLRK1-VD motor kit with MM5 module, integrated REX, and hardware/instructions for Von Duprin 33/35 & 98/99 rails.

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