Knobs Rheostat and Tap Switch Hardware Knobs, Dials, Mounting Fasteners Finger grip Finger grip handwheel with pointer without pointer with pointer r h E ostat tan DEM cou P ling K its handwheel Finger grip without pointer Any knob can be used with any rheostat and tap switch model which has the corresponding shaft diameter. Knobs are fas- tened to shafts with slotted set screws. slotted hex socket Knob hole Fits set screw set socket Description dia. dia. model 1 1 5102 Bar knob, 2 /4 long /4 H, J, G, K, L 1 1 Ohmite coupling kits permit tandem mounting of two rheostat 5103 5103A Bar knob, 1 /4 long /4 H, J, G, K, L 1 3 units. A coupling fastens to the shaft of the back unit projections 5104 5104A Handwheel with pointer 3 /4 /8 P, N, R, U 1 3 on the coupling engage the recesses in the driving hub of the 5105 Handwheel without pointer 3 /4 /8 P, N, R, U 1 1 front unit. 5106 5106A Handwheel with pointer 3 /4 /4 H, J, G, K, L 1 1 Each kit consists of a steel U frame, a coupling with set 5107 Handwheel without pointer 3 /4 /4 H, J, G, K, L 5 1 screw, mica washer, allen wrench and instructions. 5109 5109A Finger-grip with pointer 1 /8 /4 H, J, G, K, L 5 1 5110 5110A Finger-grip without pointer 1 /8 /4 H, J, G, K, L Part no. Front mount models rear mount models Max. panel thickness 3 1 5111 5111A Finger-grip with pointer 2 /8 /4 H, J, G, K, L 5 6532 H, J H, J, G, K, L /32 3 1 5112 5112A Finger-grip without pointer 2 /8 /4 H, J, G, K, L 1 6533 G, K, L H, J, G, K, L /8 1 1 1 5150 5150A Finger-grip 1 /2 /4 H, J, G, K, L 6591 E E /16 3 1 5151 Finger-grip /4 /8 C, E 1 1 5152A Like 5104 (shorter pointer) 3 /4 /4 H, J, G, K, L r h E ostat r EP air K its Dials Handsomely finished, black-enameled, aluminum dials for Ohmite rheostats and tap switches. Figures and lines are etched on a black background for contrast and ease of readability. On rheostat dials, divisions indicating approximate percentage of rheostat resistance in circuit are marked from 0 to 100. On tap switch dials, Number of dial positions are identical with number of switch positions. Part no. rheostat model Electrical contact replacement kit. Kit 7070 P includes contact/slip ring assemblies (for 7071 N round and ribbon wire rheostats), copper 7072 R graphite washer, spring arm and hub. 7074 U Instructions included. For For tap rheostats switches Extra M ounting har D w ar E Kit contains 25 each, nuts and lock washers for panel mounting units. Part no. For model For knob Dial dia. 1 5007 C, E 5151 1 /4 Part no. For model 3 5000 H, J, G, K, L 5150, 5116, 5103 2 /16 7090 E 1 5001 P, N, R, U 5104, 5106 5 /2 7091 H, J, G, K, L, 111, 212, 711 3 5002-* 111, 212 (single), 312 (single) 5109, 5116, 5150 2 /4 3 5003-* 212 (tandem), 312 (tandem), 412 5111, 5152A 3 /4 = Standard values 1 5004-* 608 5104 5 /2 = Non-standard values subject to minimum handling charge per item * Specify number of positions as suffix. 82 Ohmite Mfg. Co. 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com