They are wound with heavily oxidized resistance wire upon a porcelain tube. The tube is carried upon robust bakelite or aluminium posts and the heavy duty sliding contact is of the phosphor bronze, nickle plated for corrosion resistance, 4mm socket terminals are fitted, allowing for rheostat or potentiometer connection. Resistance Max. Current Tube Size in Ohms in Amps in mm A 1600 0.3 200 x 43 B 600 0.6 200 x 43 C 300 0.9 200 x 43 D 135 1.4 200 x 43 E 55 2.3 200 x 43 F 16 4 200 x 43 G 8.5 5 200 x 43 H 2.5 9 200 x 43 I 6.5 5.5 200 x 43 J 1325 0.5 300 x 43 K 280 1.2 300 x 43 L 125 1.8 300 x 43 M 37 3.2 300 x 43 N 20 4.5 300 x 43 O 4.5 9 300 x 43 (Note : Rheostats of other specifications / types can also be supplied) |
