SDC LR100VDK-EM QuietDuo LR100 Series Von Duprin Field Install Retrofit Electric Latch Retraction Kit, 98/99, 30" Opening

Add electric access control to existing panic and fire-rated exit devices with the Security Door Controls QuietDuo LR100 field install retrofit electric latch retraction kit. Designed for retrofitting Von Duprin 98/99 and 33/35 series devices on 30-inch openings, the LR100VDK-EM converts mechanical exit hardware into an electrically controllable solution that supports both momentary latch retraction and sustained dogging. The kit draws 700 mA inrush and 200 mA continuous at 24V DC, minimizing power requirements while delivering dependable performance for high-traffic doors.

The QuietDuo LR100 enables integration with access control, building automation, surveillance and monitoring systems without sacrificing uninhibited egress or code compliance. Its simultaneous latch retraction and pushpad dogging reduces door resistance for ADA and operational needs, and the field-install design shortens downtime and labor costs compared to full device replacement. Ideal for commercial, education, healthcare and multi-tenant facilities, this retrofit kit future-proofs existing hardware and simplifies security upgrades. Upgrade your exit devices to electric latch operation—contact us or order the SDC LR100VDK-EM retrofit kit today to streamline access control integration.

• Retrofit existing Von Duprin 98/99 and 33/35 exit devices to add electric access control without replacing hardware
• Enables simultaneous latch retraction and sustained dogging for reliable momentary or continuous operation
• Preserves fire-rated, uninhibited egress while integrating with access control, building automation and monitoring systems
• Low power draw for efficient operation (700 mA inrush, 200 mA continuous at 24V DC) to minimize electrical upgrades
• Field-installable QuietDuo LR100 module reduces downtime and installation complexity for commercial and institutional sites