Raytools BT240S is rated at 3.3KW and is a manual focus laser cutting head. Features: Integrated design and improved QBH fiber interface. Zero focus scale recovery function to maintain accurate focus adjustment. Dual-water cooling circuit to collimation lens and focus lens. IP65 dustproof level with fully enclosed beam path to decrease contamination risk. ModelBT240SFiber InterfaceQBH, QDClear Aperture28mmCollimation Length100mmFocusing Length125mm, 155mm, 200mmCover Glasses - Collimation Side (Top)24.9*1.5mmCover Glasses -Focusing Side (Bottom)27.9*4.1mmNozzle StylesSingle, Double, CustomDiameter of Nozzle tip0.8-5mmAssist Gas Pressure≤25 barWeight3.5kg
