Product Description Overview:A practical, UL-listed solution for converting Von Duprin 33/35 and 98/99 Series exit devices into electrified latch pullback systems. The MLRK1‑VD installs quickly, features built-in Request-to-Exit (REX) functionality (US only), and includes a 3-year no-hassle warranty. Specifications: Compatibility: Von Duprin 33/35 & 98/99 Series (Rim, SVR, CVR, Mortise) Voltage Range: 24–28 VDC System Protection: Auto shutdown when voltage exceeds 28 VDC Current Draw: Peak 900 mA, Hold 215 mA Push-to-Set (PTS) Adjustment: Approx. ¼″ post-installation Wire Run: Up to 300′ using 18 ga wire Module: MM5 smart module with diagnostics and audible feedback Physical Dimensions: Box Size: 10.5″ × 3.75″ × 2.5″ Weight (each): 2 lb Features & Benefits: Easy retrofit installation; mounts in minutes Push-to-Set (PTS) allows simple latch calibration Built-in REX switch for secure exit compliance (US only) Energy-conscious MM5 module handles demanding applications Maintains UL listing of the original device Includes a 3-year no-hassle manufacturer warranty