Rheostats And Adjustable

AO Smith - Joslyn Clark Control Division - 128-683 Rheostat. Vitrohm Plate Type.

Vitrohm pressed steel rheostats furnish a simple, accurate and economical method of field control. They are universally applied for adjusting generator, alternator and exciter field currents to obtain variations in output voltage and for field control of adjustable speed D.C. and synchronous motors. Other typical applications include heater, furnace, battery charging and other controls.

Rheostat Potentiometer Speed Control

Spring Loaded Wiper with Thick Silver Face

Dual 1.25 Ohms 36.8Amp 600V. 128-683.

ED No 90004LH.

Dimensions: 14-3/4" Diameter x 8-1/2" High. 

Approximately Weight: 26 lbs.

Genuine Vintage Joslyn Clark - New Old Stock

Read more on https://www.specialtyproducttechnologies.com/joslyn-clark/products/other-components/rheostats

Proudly Made in USA

Learn More

CLAROSTAT - VR-003 - Rheostat. 2 Ohm. Vintage Radio Tube Filament Control, New Old Stock.

Used in series with tube filaments to adjust current. Extends the "useful" life of RF tubes to keep the emission of the tube above the recommended minimum for the maximum amount of time.

Resistance: 2 Ohm.

Technology: Wirewound.

Mount: Panel.

Threaded Bushing: 3/8" D x 11.3mm long,

Shaft: 1/4" D x 2.5mm high. Screw Driver Adjustable.

Contacts: 2 Solder Hooks.

Marked 140-660, X-4094-C.

Alternates/Similar: Carter Radio Co. / Central Radio Laboratories Pot Control Wire Wound Rheostats

Genuine Vintage Clarostat - New Old Stock 

Made in USA

Learn More

OHMITE - 0653 - RNS4R0 Rheostat.

4 Ohm 300 watt 2.66Amp.

Model N.

Made in the USA.

Used - Excellent Condition.

More info: http://www.ohmite.com/cat/controls_rheostats.pdf

Learn More

Resistor, ceramic. Resistance: 5 Ohm. Power: 30 watt. Adjustable with slider. Technology: wirewound. Enamel coated. Dimensions: 0.650" D x 2.5" long. Radial solder lug. Learn More

Hardware, knob. Handwheel / Control knob for power rheostats. Without pointer. Dimensions: 3-1/4" D with 1/4" mount. Slotted screw set. Note: Scratched surfaces from bulk packaging. Learn More

Hardware, knob. Handwheel / Control knob for power rheostats. With pointer. Dimensions: 3-1/4" D with 1/4" mount. Slotted screw set. Note: Scratched surfaces from bulk packaging. Learn More

Resistor, ceramic. Resistance: 15 Ohm. Power: 20 watt. Tolerance: 10%. Adjustable. Technology: wirewound. Enamel coated. Dimensions: 0.623" D x 2.005" long. Green or brown. Radial lug. Note: AlT P/N: 25953.2-62. Learn More

WARD LEONARD - RWO-A20W20 Resistor, Ceramic.

Resistance: 20 Ohm.

Power: 20 watt.

Technology: Wirewound.

Adjustable, with slider. Flat.

Enamel coated.

Dimensions: 2.537" long x 0.963" wide, including slider x 0.371" high.

Radial lug.

Alternate: D20K20R

Learn More

WARD LEONARD - RWA25W20 Resistor, ceramic.

Resistance: 20 Ohm.

Power: 20 watt.

Adjustable with slider.

Technology: wirewound.

Enamel coated.

Dimensions: 0.645" D x 2" long.

Radial solder lug.

Learn More

Resistor, ceramic. Resistance: 25 Ohm. Power: 30 watt. Adjustable, no slider. Technology: wirewound. Flat. Dimensions: overall 2.503" long x 1.13" wide x 0.645" high, including mt feet. Contacts: radial solder lugs. Note: Marked ST25WL. Learn More

Resistor, ceramic. Resistance: 25 Ohm. Power: 20 watt. Adjustable with slider. Technology: wirewound. Enamel coated. Dimensions: 0.635" D x 2" long. Radial solder lug. Learn More

Resistor, ceramic. Resistance: 30 Ohm. Power: 160 watt. Tolerance: 10%. Adjustable. Technology: wirewound. Dimensions: 1.177" D x 8-7/16" long. Note: Alt P/N: 180/160A30WL. Last one is missing the slider hardware. Learn More

Resistor, ceramic. Resistance: 60 Ohm. Power: 30 watt. Adjustable with slider. Technology: wirewound. Enamel coated. Dimensions: 0.698" D x 2.5" long. Radial solder lug. Learn More

Resistor, ceramic. Resistance: 100 Ohm. Power: 20 watt. Adjustable with slider. Technology: wirewound. Enamel coated. Dimensions: 0.635" D x 2" long. Radial solder lug. Learn More

OHMITE - 0661 - Rheostat.

Model N SE0661

Resistance: 100 Ohm

Power: 300 Watt

Current: 1.7 Amp.

Material: Ceramic with foil resistance coil and carbon brush, 3-terminals.

Alternate: RNS100

Dimensions: 6" D.

Learn More

Resistor, ceramic. Resistance: 125 Ohm. Power: 30 watt. Adjustable with slider. Technology: wirewound. Enamel coated. Dimensions: 0.692" D x 2" long. Radial solder lug. Learn More

Resistor, ceramic. Resistance: 200 Ohm. Power: 30 watt. Adjustable with slider. Technology: wirewound. Enamel coated. Dimensions: 0.672" D x 2" long. Radial solder lug. Learn More

Resistor, ceramic. Resistance: 200 Ohm. Power: 160 watt. Adjustable with slider. Tubular. Technology: wirewound. Enamel coated. Dimensions: 1.231" D x 8.5" long. Radial lug with screws. Learn More

Resistor, ceramic. Resistance: 300 Ohm. Power: 160 watt. Adjustable with slider. Tubular. Technology: wirewound. Enamel coated. Dimensions: 1.231" D x 8.5" long. Radial lug. Learn More

Resistor, ceramic. Resistance: 400 Ohm. Power: 20 watt. Adjustable with slider. Technology: wirewound. Enamel coated. Dimensions: 0.633" D x 2" long. Radial lugs with screws. Learn More

OHMITE - RNS400 - Rheostat.

Resistance: 400 Ohm

Power: 300 watt

Current: 0.86 Amp Maximum.

Model N.

Dimensions: 6" Diameter.

Contacts: 3 Terminal.

Shaft: 3/8" x 2" long.

Spec#SE0665.

Made in the USA.

Alternate: RNS400

Note: Carbon brush.

New older stock.

Learn More

OHMITE - 0665 R400 - RNS400 - Rheostat.

Resistance: 400 Ohm

Power: 300 watt

Current: 0.86Amp.

Model N.

Made in the USA.

Ceramic may not be perfect. Guaranteed.

More info: http://www.ohmite.com/cat/controls_rheostats.pdf

New Old Stock

Learn More

Resistor, ceramic. Resistance: 400 Ohm. Power: 160-175 watt. Adjustable with slider. Tubular. Technology: wirewound. Enamel coated. Dimensions: 1.208" D x 8.5" long. Radial lug. Complete with mount feet. Learn More

Resistor, ceramic. Resistance: 450 Ohm. Power: 160 watt. Adjustable with slider. Tubular. Technology: wirewound. Enamel coated. Dimensions: 1.184" D x 8-7/16" long. Radial lug. Note: Marked 160A450. Learn More