... with non-flammable resin,good dissipation ,high stability, and long life.2.high power rating,high overload.3.The DDR series own higher ... Braking,Ship ,Load equipment, high requirement equipmentindustry,ect.5.For customer specifications,can be made into variable/adjustable resistor. Commonspecification50W20Ω,80W20Ω,100W20 ... packing .3. More details, please contact us. Power Wirewound Variable Resistors