Motorized Latch Retraction The Motorized Latch Retraction (MLR) option incorporates a powerful and efficient motor to unlatch the exit device. Motor-powered latch retraction provides a quieter operation than solenoid options. Adams Rite recommends that for optimal performance all exit devices with MLR option be paired with PS-SE Power Supplies. Available on all 8000 | 3000 Series Factory calibrated with optional field calibration Audible chirps for calibration confirmation and bar binding Robust linkage mechanism for extended operation Motor-driven latch and bar retraction Available for 30" - 48" doors 850 mA during retraction and 370 mA maintained in dogged hold position Requires 2 A at 24VDC regulated/filtered power supply Continuous or intermittent use Configured for fail-secure. In the event of a power failure, the exit device defaults to latched condition Available for panic and fire exit hardware Compatible with REX monitoring Specify MLR when ordering Adams Rite recommends that for optimal performance all exit devices with MLR option be paired with PS-SE Power Supplies. Catalog & Downloads 8000|3000 Series Options & Accessories Catalog Page 8000 Series Overview Brochure MLR FAQ Installation Instructions & Templates Close Hands-Free Solutions - Electric Latch Retraction Enables remote lock/unlock of a door with an exit device Make it easy for people to move quickly and hands-free through virtually any door with the simple addition of Electric Latch Retraction. Solenoid Electric Latch Retraction and Motorized Latch Retraction available for all 8000/3000 Adams Rite Exit Devices SE Option Discontinuation Notice - MLR Replacement The Adams Rite Silent Electrification (SE) Motorized Latch Retraction option for all 8000/3000 Series Exit Devices has been discontinued and replaced with the new MLR Motorized Latch Retraction option. The new MLR option incorporates a new mechanical linkage mechanism and eliminates the need for field calibration during installation, resulting in efficient operation to unlatch the exit device. MLR option is currently available for orders and is shipping now. Discontinuation Notice >> SE to MLR Part Number Cross-Reference Chart New part numbers for MLR will be in effect as of October 8, 2019 – see part number conversion chart for assistance. Customers can continue using valid SE part numbers through Oct 7, 2019 but orders will be fulfilled with the new MLR product and the product label will have a circular blue sticker to easily identify the upgraded product. Starting Oct 8th, new part numbers will be in effect and product shipped will reflect new part numbers on the label. Part Number Conversion Chart >> NOTE: New part numbers have replaced the “SE” from the old part number with “MLR”. There are no other changes.