Electrical Specifications:110 Volt 1/2HP Single PhaseHigh Starting Torque Motor with Full Overload ProtectionSolid State Circuitry with Power and Program Feedback LED’sOn Board Open/Close/Stop buttons for service and adjustmentsTerminals labeled and grouped by functionAuto-Detect monitored photo beam for simplified installationSelectable Operating modes B2, C2, D1, E2, T, TSField adjustable built in functions including: timer to close, mid-stop, delay on reverse, lock bar sensing, maximum run time, etc.Mechanical Specifications:Heavy Duty V-Belt and Chain Reduction, Mechanically Self LockingHeavy Duty #50 Roller Chain and driven sprocket IncludedAdjustable Torque Limiting ClutchFloor Level Disconnect & Electrical Interlock (For Manual Operation)Baked on Grey Powder Coat Finish