Command Access MLRK1-MRK-REX Motorized Latch Retraction Kit for Marks M9900 and Design Hardware 1000 Series, Exit Device

Upgrade mechanical exit devices to reliable, electrified latch retraction with the Command Access Technologies MLRK1-MRK-REX motorized latch retraction kit. Designed specifically to retrofit Marks M9900 and Design Hardware 1000 series exit devices, this motorized latch kit keeps existing UL listings intact and is backed by CAT’s 3-year no-hassle warranty for peace of mind. The kit runs on DC power with low current draw and offers a field-switchable high-torque mode to suit heavier doors or frequent use. Installers benefit from on-board diagnostics with audible feedback and a 5-second electronic adjustment that dramatically reduces setup time and commissioning costs. For access control integrators and security managers, the MLRK1-MRK-REX supports continuous-duty electric dogging with auto re-engage and an optional built-in request-to-exit (REX) for seamless integration into monitoring, surveillance, and access control systems. Ideal for schools, healthcare, commercial and government facilities looking to modernize exit devices without full device replacement. Contact sales to order or request integration guidance for your security system.

• Fast retrofit for Marks M9900 and Design Hardware 1000 exit devices, converting mechanical devices to electrified latch retraction in minutes to minimize downtime
• Maintains original UL listings and includes a 3-year no-hassle warranty for long-term code compliance and reduced risk
• Low current DC operation and field-switchable high-torque mode reduce power costs and ease integration with existing access control and power systems
• On-board diagnostics with audible feedback plus 5-second electronic post adjustment speed installation and troubleshooting for contractors and integrators
• Continuous-duty electric dogging with auto re-engage and optional built-in request-to-exit (REX) support improves reliability for high-traffic security entrances