Switches, Controls, Keypads, Rheostats, and Encoders

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Used spring-loaded analogue thumbwheel control assembly with buffer circuit. Apply +/- 15VDC to this circuit and the control will output a continuously variable 0 - +/-12VDC control signal dependant on position. Also includes zero position indicating switch and edge connector. Schematic for the buffer circuit is here.

$22.00 each

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Large salvage four position rotary switch with 14 sets of contacts each connecting to two positions. Can be wired for 7 contact 4 position use. This switch is continuously turnable in either direction and the stops are all 90 degrees apart. The shaft terminates in a steel block with two holes 1 inch apart and the entire switch is 3 1/2 " wide and 7 1/2" deep. A wiring diagram is included.

$12.00

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Huge used 3 gang power rheostat/potentiometer assembly. Includes one 10 ohm, one 5K ohm, and one 10K ohm 40 watt potentiomenter, as well as a large pulley. Shaft diameter is 5/16" and the entire assembly is 3 1/2 " wide and 12 1/2" deep.

$18.00

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Four position lighted panel mount sequential push switch. Front cap is removable for installation of back lit position legend.

$12.00 each

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Twenty button numeric keypad including pcb and ribbon cable/connector. Salvage item.

$18.00

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Red spring-loaded salvage push-button for activating an emergency stop switch located behind a door or panel.

$14.00 each

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Large red salvage latching emergency stop pushbutton switch, single N.O. contact or one N.O. and one N.C. contact.

$28.00 single contact, $32.00 dual contact.

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Salvage spring loaded safety interlock switch for doors or chassis panels, disconnects power automatically when door or panel is opened. Protective insulating rubber sleeves available as well.

$14.00 each

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NOS new in box DATA TECHnology, Inc. Optecon Encoder model OC25-635-40/5-64. This unit runs on 5 volts, Comes packed in foam in a nice box with a new connector, ready to go.

$45.00

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Vintage ETI/Oceanside 2K 0.15% linearity 10 turn potentiomenter with 3 digit position indicator knob assembly.

$14.00

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These are extremely rare, large precision single turn potentiomenters with vernier scale knobs. The knobs come complete with a small side mounted vernier scale as well as a locking clamp to hold them in the desired position.

$22.00 each

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This very vintage control has a separate toggle switch for power operated by pulling the shaft out, as well as a volume potentiomenter.

$8.00