... FunctionOverload150%,60 second(Constant torque);120%.60 second (variable torque)Over VoltageOver voltage protection can be setUnder VoltageUnder ... Conveyor, conveyor belt, cold storage facilities4. CNC lathe, grinder, drill press, vertical machining centers, saws bed milling machine, engraving machine5. ... us, TKS! ---------By Maria CE Approved Energy-saving variable speed drives for general purpose