Rheostats
Home Page Potentiometers Rheostats 0.5 Ohm to 19.9 Ohm
 
Potentiometers: Rheostats - 0.5 Ohm to 19.9 Ohm
High power pots, adjustable with knob or screwdriver. More convenient than adjustable resistors,
smaller package per watt than normal wire wound resistors.
 

Rheostat
0.5 Ohm
(RWA) E-0-5R1
Rheostat, 0.5 ohm, 12.5 watt, 1/8" shaft. 13/16" diameter.
 

Rheostat
0.5 Ohm
(RWA) 2100-2325
Rheostat, 0.5 ohm, 12.5 watt. 1/8"D x 3/8"L shaft. 7/8" diameter.
 
 
$15 each
 
$13 each
 

Rheostat
1.75 Ohm
(RWA) 43931
Rheostat, panel mount with adjustable stop SPDT micro switch. 1.75 ohm, 75 watt, 6.55 amp, 10%. 2-3/4" diameter body, 2-1/2" behind. 1/4"D x 7/16"L shaft. Made by Ohmite.
 

Dual Rheostat
1.94 Ohm / 55 Ohm
(RWA) 45811A
Dual rheostat. 1.94 ohm, 50 watt, 6.2 amp max. 55 ohm, 25 watt, 1.2 amp max. 2-1/2" x 4-1/2" body overall. Concentric shafts: 1/4"D x 3/8"L & 3/16"D x 3/8"L. 3/4" total shaft length. Made by Ohmite.
 

Rheostat
2 Ohm
(RWA) M22/08-0011
Rheostat, 2 ohm, 100 watt, 7.07 amp. Slotted, locking shaft. 3-1/8"D x 1-3/4" body. Made by Memcor.
$59 each
 
$45 each
 
$65 each

Rheostat
2.8 / 2.8 / 2.8 Ohm
(RWA) 43298B
Rheostat, 2.8 / 2.8 / 2.8 ohm, 8.4 ohm total. 2 terminal rheostats wired in series. 25 watt, 6 amp, stacked.
 

Rheostat
3 Ohm
(RWA) 7358543
Rheostat, 3 ohm, 3 watt.
 

Rheostat
3 Ohm
(RWA) MG3
Rheostat, 3 ohm, 12.5 watt. 1-9/16"D body x 1/2", 1/4" spline. 1/4"D shaft with nut. Made by Mallory.
$25 each
 
$25 each
 
$8 each

Rheostat
Dual 4 Ohm
(RWA) 22631-2
Rheostat, dual 4 ohm, 50 watt, 1/4" shaft. 2-3/8" diameter.
 

Rheostat
5 Ohm
(RWA) RP152FK5R0KK
Rheostat, 5 ohm, 50 watt, 3.16 amp, 10%. Type R50. 2-3/8" diameter body, 1-1/2" behind. 1/4"D x 2"L "D" shaft. Made by Memcor. 5905-00-959-2806.
 

Rheostat
6 Ohm
(RWA) M22/01-0061
Rheostat, 6 ohm, 1.44 amp, 12.5 watt, slot adjust.
$250 each
 
$22 each
 
$8.75 each

Rheostat
6 Ohm
(RWA) RPH10-6
Rheostat, 6 ohm, 12.5 watt. Slot adjust. 0.9"D x 0.6" body. 1/8"D slotted shaft. Made by Noble. RPH10.
 

Rheostat
6 Ohm
(RWA) M22/03-0052
Rheostat, 6 ohm, 25 watt, 2.04 amps. 1/4" slotted shaft. 1-5/8" diameter body, 1-3/8" behind panel depth. Made by Ohmite.
 

Rheostat
6 Ohm
(RWA) 2159749
Rheostat, 6 ohm, 2.88 amp, 50 watt. 1/4" brass slotted shaft, 3/8"L with locking nut. 2-3/8" diameter. Made by Ward Leonard.
$8 each
 
$12 each
 
$19.65 each - $18 (3+)

Rheostat
7.5 Ohm
(RWA) 7129
Rheostat, 7.5 ohm, 6.2 amp. Model N. Insulated for 600v. 3/8" diameter x 2" long shaft. 2" x 6" diameter body. Made by Ohmite. Used.
 

Rheostat
7.5 / 7.5 / 7.5 Ohm
(RWA) K7.5F2-T3
Rheostat, 7.5 / 7.5 / 7.5 ohm, 3.65 amp, 100 watt, stacked. 2-7/8" diameter.
 

Rheostat
8 Ohm
(RWA) RP101UB8R0KK
Rheostat, 8 ohm, 25 watt, 1.77 amp. Slot adjust, locking nut. 1.5" diameter body, 1.5" behind panel depth. Made by Memcor. NSN: 5905-924-9230.
$85 each
 
$100 each
 
$23.50 each

Rheostat
10 Ohm
(RWA) AN3155-25-10
Aircraft rheostat, panel mount. 10 ohm, 1.95 amp, 0.30 min., 25 watts nominal. 2 terminal. Black bakelite bird's beak pointer knob. Sealed. 1-3/4"D x 2-1/2" deep. Made by Ohmite.
 

Dual Rheostat
10 Ohm
(RWA) 59795
Dual rheostat, 10 ohm, 3.16 amp, 150 watt. 4-1/2"D x 4-1/2"L. 3/8"D x 5/8"L bushing. 1/4"D x 3/8"L shaft. Made by Ohmite. NSN: 5905-00-295-3971.
 

Rheostat
15 Ohm
(RWA) RP061UB150KK
Rheostat, 15 ohm, 12.5 watt, 0.91 amp, 10%. Panel mount. 0.879" diameter body, 0.71" behind. 1/8"D slotted shaft with locking nut. Made by Memcor. NSN: 5905-00-880-7186.
$32 each
 
$90 each
 
$9.75 each - $9.20 (6+)
 

Rheostat
3 Section Ganged - 15 Ohm
(RWA) L15F2T3
Rheostat, 3 section - ganged. 15 ohm, 150 watt, 3.16 amps. 1/4" shaft. 4"D x 7"L. Made by Ohmite. Harris P/N: 552-0720-000.
 

Rheostat
18.9 / 26.4 Ohm
(RWA) 12382
Rheostat, 18.9 / 26.4 ohm, 50 watt, concentric shaft.
 
 
$125 each
 
$40 each