Rheostats
Home Page Potentiometers Rheostats 100 Ohm to 999.9 Ohm
 
Potentiometers: Rheostats - 100 Ohm to 999.9 Ohm
High power pots, adjustable with knob or screwdriver. More convenient than adjustable resistors,
smaller package per watt than normal wire wound resistors.

Rheostat
100 Ohm
(RWA) 48-101
Rheostat, 100 ohm, 25 watt. 2" diameter body, 1/4" shaft. Includes 1" diameter bakelite knob.
 

Rheostat
100 Ohm
(RWA) 208A495G03
Rheostat, 100 ohm, 0.71 amp, 50 watt.
 

Rheostat
100 Ohm
(RWA) M220300131S
Rheostat, 100 ohm, 0.5 amp, 25 watt.
$6.50 each - $6 (3+)
 
$65 each
 
*** SOLD OUT ***
 

Rheostat
100 Ohm
(RWA) 0151
Rheostat, 100 ohm, 0.5 amp, 25 watt. 1.5" diameter body. 1/4"D x 7/16"L shaft.
 

Rheostat
100 Ohm
(RWA) RP101SA101K
Rheostat, 100 ohm, 0.5 amp, 25 watt, slotted shaft. 1-3/8" diameter.
 

Rheostat
100 Ohm
(RWA) R-300-100
Rheostat, 100 ohm, 1.75 amp, 300 watt. Type R-300. 6" diameter. 3/8"D x 2"L shaft. Made by Memcor.
$11 each
 
$7 each
 
$125 each
 

Rheostat
100 Ohm
(RWA) 565012-601
Rheostat, 100 ohm, 0.35 amp, 12-1/2 watt. 1/8" x 3/8" shaft. 7/8" diameter body. Fits 1/4" hole. Made by Resistor Electric.
 

Rheostat
125 Ohm
(RWA) 0152
Rheostat, 125 ohm, 0.45 amp, 25 watt. 1/4" x 7/16"L shaft. 1.5" diameter body. Made by Ohmite.
 
 
$10 each
 
$12 each
 

Dual Resistor Variable
142 Ohm / 142 Ohm
(RWA) K43647-1
Dual resistor variable, Navy rheostat. Sealed. 142 ohm / 142 ohm. 5.5 - 0.6 amps, 120v, 500 watts. 6-1/2"D, 6" behind panel depth. 1/2" x 1-1/2" shaft. NSN: 5905-00-854-7169.
 

Rheostat
150 Ohm
(RWA) M22/10-0151
Rheostat, 150 ohm, 1.22 amp, 225 watt, 3/8" shaft. 4-3/4" diameter.
 

Rheostat
150 Ohm
(RWA) RP151SH151KK
Rheostat, 150 ohm, 1 amp, 50 watt. 1/4" x 1"L shaft. 2-1/8" diameter, 1-1/2" behind panel depth. Mounts in 3/8" hole. Made by Memcor. 5905-00-134-9825.
$450 each
 
$50 each
 
$16 each

Rheostat
150 Ohm
(RWA) RP251FD151KK
Rheostat, 150 ohm, 0.816 amps, 100 watt, 1/4" x 0.5" shaft. 3" diameter, 1-3/4" behind panel depth. Made by Ohmite. (Also M22/08-0016).
 

Rheostat
200 Ohm
(RWA) M22/01-0017
Rheostat, 200 ohm, 0.22 amp. Ceramic Memcor type R12 1/2. Panel thickness up to 0.3". 0.869"D body, 0.767" behind panel depth. 1/8"D slotted shaft with lock nut. Made by Memcor.
 

Rheostat
200 Ohm

(RWA) R75-200
Rheostat, 200 ohm, 0.612 amp, 100 watt. Type R75. Panel bushing mount. 2.8" diameter, 1.8" behind panel. 1/4"D x 0.1" slotted shaft. Made by Tru Ohm.
$33 each
 
$14 each
 
$29 each

Rheostat
200 Ohm

(RWA) AN3155-25-200
Aircraft rheostat, panel mount. 200 ohm, 0.35 amp, 25 watts nominal. Hermetically sealed. 2 terminal. Black bakelite pointer knob. 1-3/4"D body, 2-1/4" behind panel depth. Made by Ohmite.
 

Rheostat
200 Ohm

(RWA) S135421/45
Rheostat, 200 ohm, 0.4 amp, 250 volt. 4" diameter body x 2" deep. Made by Westinghouse. NSN: 5905-00-393-2742.
 

Rheostat
200 Ohm

(RWA) RP101SJ201KK
Rheostat, 200 ohm, 0.35 amp, 25 watt, 10%. 1-1/2"D x 1-1/4" body. 1/4"D x 1-1/2"L slotted shaft. Made by Memcor. NSN: 5905-01-120-5757.
$29 each
 
$45 each
 
$20 each - $18 (6+)

Rheostat
200 Ohm

(RWA) 0538-200
Rheostat, 200 ohm, 0.87 amp, 150 watt, 1/4" shaft. 4" diameter, 2" behind panel. Made by Ohmite.
 

Rheostat
250 Ohm
(RWA) 0154
Rheostat, 250 ohm, 0.32 amp, 25 watt, 1/4" shaft. 1.5" diameter. Made by Ohmite.
 

Rheostat
250 Ohm
(RWA) RP151FJ251K
Rheostat, 250 ohm, 0.45 amp, 50 watt, 1/4" shaft.
$33 each
 
*** SOLD OUT ***
 
 
$15 each

Rheostat
300 / 300 / 800 / 1150 Ohm
(RWA) 43649
Rheostat, 300 / 300 / 800 / 1150 ohm, 25 watt, stacked.
 

Rheostat
320 Ohm
(RWA) N320-F10
Rheostat, 320 ohm, 0.97 amp, 300 watt, 5-1/2" diameter.
 

Rheostat
350 Ohm
(RWA) M22/02-00181SS
Rheostat, 350 ohm, 0.13 amp, 12-1/2 watt. Sealed, aircraft. 1"D x 1"H body. Slot adjust. Mounts in 1/4" hole. Made by Memcor. NSN: 5905-01-173-4785.
$75 each
 
$95 each
 
$7 each - $6 (3+)

Rheostat
390 Ohm
(RWA) 410-411
Rheostat, 390 ohm, 25 watt.
 

Rheostat
400 Ohm
(RWA) 0665
Rheostat, 400 ohm, 300 watt, 0.87 amp. 5-1/2" diameter body x 1-5/8". 3/8" x 1-1/4" round "D" shaft. Made by Ohmite.
 

Rheostat
400 Ohm
(RWA) K35-J-616-1
Rheostat, 400 ohm, 25 watt. Aluminum housing. 1-5/8" diameter, 1/4" shaft. Made by IRC. NSN: 5905-00-112-4469.
$10 each
 
$107 each
 
$9 each

Rheostat
450 Ohm
(RWA) XR5957
Rheostat, 450 ohm, 75 watt, 1/4" shaft. 2-5/8" diameter.
 

Rheostat
500 Ohm
(RWA) RE-25-3500
Rheostat, 500 ohm, 0.22 amp, 25 watt, 1/4" shaft. 1-5/8" diameter.
 

Rheostat
500 Ohm
(RWA) 1012705A-15
Rheostat, 500 ohm, 3 watt with slotted shaft.
*** SOLD OUT ***
 
 
$6 each
 
$45 each

Rheostat
500 Ohm
(RWA) 0324
Rheostat, 500 ohm, 0.32 amp, 50 watt. Bushing mount - 3/8" hole. 2" diameter body. 1/4"D x 3/8"L shaft. UL listed.
 

Rheostat
500 / 500 Ohm
(RWA) E500-500
Dual rheostat, 500 / 500 ohm, both sections @ 0.16 amps, 12.5 watt. 7/8"D body. 1/8"D x 3/8"L shaft. Overall size measures 7/8"W x 2-1/2"L x 1-1/8"H. Made by Ohmite. P/N: E500-500R1T2.
 

Rheostat
500 / 0 / 500 Ohm
(RWA) RH25H4100J
Rheostat, 500 / 0 / 500 ohm, 0.22 amp, 25 watt, 1/4" shaft.
$15 each
 
$29 each
 
$20 each

Rheostat
500 / 500 / 500 Ohm
(RWA) 44224
Rheostat, 500 / 500 / 500 ohm, 0.32 amp, 50 watt, stacked. 2-1/8" diameter.
 

Rheostat
750 Ohm
(RWA) RP151FD751K
Rheostat, 750 ohm, 0.26 amp, 50 watt. 2-1/4" diameter.
 

Rheostat
750 / 750 / 1k / 1k Ohm
(RWA) E1000-750
Rheostat, 750 / 750 / 1k / 1k ohm, 12.5 watt, stacked. 750 ohm elements, 0.13 amps. 1k ohm elements, 0.11 amps. Overall dimensions 5-3/4"L x 1" x 1-1/4". Slot adjust. Made by Ohmite.
$45 each
 
$10 each
 
$35 each