SDC Security Door Controls (SDC)

L100 Series Latch Retraction/Dogging Kits

With only 450mA inrush, SDC’s UL approved QUIET DUO™ LR100 series field retrofit kits provide simultaneous electric latch retraction and dogging with automatic retriggering for Von Duprin, Sargent, Yale, Corbin Russwin, Dor-O-Matic, Precision and Adams Rite mechanical exit devices. They eliminate costly exit device replacement while providing access control and sustained dogging (pushpad depression) for sustained push-pull applications. The QUIET DUO™ utilizes low-current motorized operation compared to high-inrush solenoids. The simultaneous pushpad depression provides operation for both sustained dogging and momentary access control applications. Latch and pushpad status are optional.
With only 450mA inrush, 180ma continuous current at 24VDC, the need for costly special power supplies is eliminated and enables longer, smaller gauge wire runs. The SDC 602RF 1-Amp power supply with emergency release input powers two devices and latches doors in an emergency. EMC-2, two-station sequencers required for automatic doors only.
The SDC EMC-2 door sequencer is available for use with one or two automatic doors. Door sequencers are not required for pairs of manual doors.
Retrofits Von Duprin Exit Devices without Removing from the door.
The QUIET DUO™ LR100VDK field retrofit kit is UL Recognized for Von Duprin 22, 33/35, 98/99 non-fire rated exit devices. The SDC factory installed LR100VD is UL Listed for fire rated and non-fire rated models.

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