Rheostat 8″ 250 ohms

Support: The bakelite or aluminum moulded support tights the pipe on each side with rod and nuts. Tube/Pipe: Pipes are made from special porcelain. Sliders: The guide rod carrying contact black is tightened with screws to the projection of the supports. The sliders are provided with Phosphorous-Bronze contact. These have double contact system and move smoothly on the sliding rod. Heavy brass block is provided for smooth movement for long life. Terminals: Three brass terminals are provided. One terminal being connected to the sliding contact and the other two of the ends of winding, enabling the rheostat to be used as variable resistance or potential divider. Winding wires: The layers of electrical oxidised Eureka wire wound on an insulating heat resistance porcelain pipe according to the length required. Description: Total resistance and max. current capacity is marked on the sliders.