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Rheostats
Home Page Index Page Potentiometers Rheostats 20 Ohm to 99.9 Ohm
 
Potentiometers: Rheostats - 20 Ohm to 99.9 Ohm
High power pots, adjustable with knob or screwdriver. More convenient than adjustable resistors,
smaller package per watt than normal wire wound resistors.

Rheostat
25 Ohm / 250 Ohm

(RWA) 58001
Rheostat, 25 ohm, 1.41 amp - 250 ohm, .45 amp, 50 watt. Dual, concentric shafts. (1/4" - 3/16").
 

Rheostat
25 / 100 / 250 Ohm

(RWA) NH25100250L
Rheostat, 25 / 100 / 250 ohm, 25 watt, 1/4" shaft.
 

Rheostat
25 Ohm
(RWA) 0448
Rheostat, 25 ohm, 2 amps, 50 watt, 1/4" shaft, 3" diameter. Bushing mount. Made by Ohmite.
$95 each
 
$25 each
 
$24 each - $21 (3+)

Rheostat
30 Ohm
(RWA) M30PK
Rheostat, sealed. 30 ohm, 4 watt, 1/4" shaft. 1-1/2" diameter.
 

Rheostat
35 Ohm
(RWA) M22/11-0111
Rheostat, 35 ohm, 2.93 amp, 300 watt, 3/8" shaft. 6" diameter.
 

Rheostat
37 / 30 Ohm
(RWA) 3995-01000
Rheostat, 37 ohm, 50 watt, 30 ohm, 75 watt. Concentric 3/16" and 1/4" diameter shafts. Each section is the two terminal style. Microswitch detects end of rotation on 30 ohm section. 4.5" behind panel depth.
$6 each
 
$35 each
 
$19 each

Rheostat
50 Ohm
(RWA) RP073SB500K
Rheostat, sealed. 50 ohm, 0.35 amp. Made by Memcor.
 

Rheostat
50 Ohm

(RWA) 409M
Rheostat, 50 ohm, 1.82 amp, 100 watt, 1/4" x 3-1/4"L shaft. 3" diameter.
 

Rheostat
50 / 50 / 50 / 50 Ohm

(RWA) K50S2T4
Rheostat, 50 / 50 / 50 / 50 ohm, ganged, 1.41 amp, 50 watt.
$15 each
 
$20 each
 
$95 each

Rheostat
50 Ohm
(RWA) 204-0753645
Rheostat, 50 ohm, 1 amp, 50 watt with end switch.
 

Rheostat
50 Ohm
(RWA) 3191973
Rheostat, 50 ohm, 1 amp, 50 watt. 1/4" x 1/2" shaft. 2-3/8" diameter. Made by Memcor.
 

Rheostat
75 Ohm
(RWA) RP152SK750KK
Rheostat, 75 ohm, 0.82 amp, 50 watt, 1/4" x 2-1/2"L shaft. 2-1/4" diameter.
$25 each
 
$18 each
 
$14 each

Rheostat
75 Ohm
(RWA) RP201FD750K
Rheostat, 75 ohm, 1 amp, 75 watt, 1/4" shaft. 2-3/4" diameter.
 

Rheostat
75 Ohm
(RWA) 75-25
Rheostat, 75 ohm, 0.58 amp, 25 watt.
 

Rheostat
80 Ohm
(RWA) J0319
Rheostat, 80 ohm, 0.79 amp, 50 watt, 1/4" shaft.
$19 each
 
$8 each
 
$12 each
For More Information
E-mail: grinnell@surplussales.com

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