JML Series for Material Lifts JML SERIES FOR MATERIAL LIFTS The NON-PROPRIETARY controllers of the JML series were designed to control hydraulic material lifts. They are designed using logic relay circuits or industrial programmable logic controllers, so they are easy to maintain and to troubleshoot. Download brochure Download form CHARACTERISTICS Single or three phase supply from 208 to 600 volts; Fixed or motorized cam sequence; Manual or motorized door sequence; Relay logic without electronic cards. MODELS JML-1000 Logic relay circuit controller at 120 VAC used for basic, limited-use material lifts. JML-2000 PLC-based controller at 120 VAC used for material lifts with personalized options.