We supply a comprehensive range of rheostats offering excellent value for money. They are wound with heavily oxidised resistance wire on a vitreous enamelled tube with the winding secured in place with a ceramic cement. The tube is supported on robust diecast end stands and the heavy duty sliding contact is of the multi-leaf phosphor bronze type, nickel-plated for corrosion resistance. 4mm terminal posts are fitted, facilitating external connection by conventional 4mm plug leads, spade terminals or bare-ended leads. Rheostat, Standard Range - 4A. Features:. Resistance: 16O. Max Current: 4A. Tube size: 200 x 43mm. Overall size: 255 x 100 x 63mm.