The new MLRK1-MRK is a practical and cost-effective way to convert a mechanical Marks M9900 series & Design Hardware 1000 series device to an electrified motor driven latch retraction device. The retrofit kit will maintain all UL listings on the device and for peace of mind is backed by CAT’s 3-year no hassle warranty. The new unit easily attaches to the back of the dogging post & is secured with in a matter of minutes. The only hole you’ll need to drill is for the wire raceway. PTS allows for a smooth post-installation adjustment of the latch/latches. An optional built-in REX switch is available on all units! Last but not least, the new MLRK1-MRK’s features an updated MM4S module with 2 different energy consumption settings from energy conscious to high torque to get the tough jobs done!Features: Next Generation MM4S Smart Module: On board diagnostics with audible feedback for adjustment and power issues."PTS": 5 second electronic adjustment for easy post installation adjustment.Electric dogging rated for continuous duty - Auto re-engage if push pad is pulled from dogged position.Low Current Draw - Field switchable to "High Torque" mode.Up to 300' wire run with 2-18ga wire - Long wire runs provides installer with convenience of placing the Command locking hardware power supply in a centralized location; i.e. the same closet as the access control panel.Push-n-Go Pigtail + 8' cable with Quick Connect for MM4S module to easily connect to power supply lead.Optional Request-to-exit can be built-in.3-year "no hassle" manufacturer warranty. Specifications:Voltage Range24VDC +/- 10%System Protectionunit shutdown whenvoltage exceeds 28VDCStandardAverage Current Peak: 900 mA,Average Current Hold: 215mAHigh TorqueAverage Current Peak: 2A,Average Current Hold: 250mAPTS Adjustmentapprox. 1/4”Wire Run300’ with 18ga wireWeight2 Lbs Downloads:Spec SheetInstructions