SDC LR100CRK-EM QuietDuo LR100 Series Corbin Russwin Field Install Retrofit Electric Latch Retraction Kit, 5000/4000, 30" Opening

Upgrade retrofit projects with the Security Door Controls LR100CRK-EM QuietDuo field install latch retraction kit — designed to add reliable electric latch retraction to Corbin Russwin exit devices without replacing the entire panic hardware. This latch retraction kit delivers motorized retraction and dogging while preserving panic- and fire-rated performance, so you maintain life-safety compliance as you expand electronic access control. Compatible with Security Door Corbin Russwin ED Series devices and 5000/4000 families, the LR100CRK-EM supports openings up to 30" and runs on DC power with low current draw, making it ideal for low energy operators and battery-backed systems. For security and facilities teams, this retrofit kit reduces installation labor, lowers maintenance, and ensures dependable operation in high-traffic areas. Use it to integrate doors into modern access control, monitoring, and security systems without compromising safety. Upgrade your door control strategy with a proven retrofit solution — contact your distributor or add the LR100CRK-EM to your spec for streamlined access control deployments.

• Simplifies Corbin Russwin retrofits: motorized latch retraction installs without replacing exit hardware, reducing downtime and labor.
• Maintains life-safety compliance: panic- and fire-rated operation preserves code adherence while enabling electric control.
• Energy-efficient performance: low current draw and DC power make it compatible with low-energy operators and reduce operational cost.
• Reliable for high-traffic doors: durable QuietDuo motor and simultaneous latch/dog/pushpad operation ensure consistent access control in busy environments.
• Supports larger openings and common device families: fits 5000/4000 devices and accommodates up to 30" openings for broad applicability.