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Warehouse: United States

SDC LR100DMK QuietDuo LR100 Series Dor-O-Matic Field Install Retrofit Electric Latch Retraction Kit, 1590/1490, 36" Opening

SKU: LR100DMK Security Door Controls
SDC Field Retrofit Kit
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Key Features

  • Retrofit existing Dor‑O‑Matic/SDC exit devices to electric access control without costly replacement
  • Quiet motorized latch retraction and sustained dogging for smooth push/pull operation and reduced noise
  • Low current draw (24V DC; 700 mA inrush, 200 mA continuous) enables longer wire runs and smaller gauge wiring
  • Compatible with 1590/1490 devices and 36" openings for fast field installation
  • Eliminates need for door sequencers on pairs of manual doors when using a suitable power supply
  • Maintains uninhibited egress and fire-rated compliance while integrating with access control and building automation

Quick Specifications

Product Model
LR100DMK
Brand Name
Security Door Controls
Product Name
Field Retrofit Kit
Product Type
Retrofit Kit
View Full Technical Specifications

Product Information Tabs

Overview

Convert existing panic and fire-rated exit devices into quiet, reliable electrically controlled openings with the Security Door Controls QuietDuo LR100 Field Install Retrofit Electric Latch Retraction Kit. This SDC retrofit kit is engineered for fast field installation on Dor‑O‑Matic/SDC 1590 and 1490 devices and 36" openings, enabling access control, remote activation and sustained dogging without replacing the exit hardware.

With a low current 24V DC power requirement (700 mA inrush, 200 mA continuous), the LR100DMK supports longer wire runs using smaller gauge cable and integrates easily with access control systems, building automation, and security monitoring platforms. The motor simultaneously retracts the latch and depresses the pushpad for quieter push/pull operation while always preserving uninhibited egress and fire code compliance. No door sequencer is required for a pair of manual doors when connected to a suitable power supply, reducing labor and installation cost compared with competitive retrofit solutions.

Ideal for commercial, healthcare, education and multi‑tenant properties requiring reliable security and smooth operation, the QuietDuo LR100 retrofit kit streamlines modernization of exit devices — contact us for pricing or to specify this kit in your next access control or surveillance upgrade.

Features

  • Retrofit existing Dor‑O‑Matic/SDC exit devices to electric access control without costly replacement
  • Quiet motorized latch retraction and sustained dogging for smooth push/pull operation and reduced noise
  • Low current draw (24V DC; 700 mA inrush, 200 mA continuous) enables longer wire runs and smaller gauge wiring
  • Compatible with 1590/1490 devices and 36" openings for fast field installation
  • Eliminates need for door sequencers on pairs of manual doors when using a suitable power supply
  • Maintains uninhibited egress and fire-rated compliance while integrating with access control and building automation
General Information
Brand Name Security Door Controls
Manufacturer Security Door Controls
Product Name Field Retrofit Kit
Product Type Retrofit Kit
Manufacturer Part Number LR100DMK
Power Description
Power Source DC
Miscellaneous
Compatibility Security Door Falcon Dor-O-Matic Exit Devices
Country of Origin US