Ohmite
Rheostats and Hardware
Visit OhmiteÕs Website at www.ohmite.com
100 Watt. Core Diameter: 31/ ". Shaft Diameter: 1/
8 4".
Rheostats
EACH
Stock
No.
Mfr.Õs
Type
Ohms
These rheostats are designed and manufactured
to operate smoothly and reliably over long periods
1-9
10-24
of use. All models are constructed with metal and
ceramic and are coated with protective vitreous
enamel or Ohmicone silicone-ceramic. Used for
motor speed controls, light dimmers and for
equipment requiring convenient variable
resistance settings. Windings are linear taper on
stock models. Tapered windings available as custom order. Ceramic body, high grade resistance alloy windings, vitreous
enamel coating (some models silicone-ceramic), metal spring contact arm, metal graphite composition and solder coated
terminals. Tolerance: ±10%. Wattage based on 25¡C.
296-4338
296-4340
296-4345
296-4336
296-4337
296-4350
296-4352
296-4353
296-4354
RKS2R0
RKS5RO
RKS7R5
RKS10R
RKS50R
RKS100
RKS500
RKS1K0
RKS5K0
2
5
7.5
10
50
100
500
1K
5K
47.94
59.94
47.69
38.15
38.15
47.69
38.15
43.59
43.59
46.39
58.01
46.15
36.92
36.92
46.15
36.92
42.18
42.18
71/ Watt. Core Diameter: 0.515". Shaft Diameter: 1/
2 8".
150 Watt. Core Diameter: 4". Shaft Diameter: 1/
4".
EACH
296-4600
296-4605
296-4610
296-4615
296-4355
296-4625
296-4630
296-4635
296-4640
296-4645
296-4650
296-4655
RLSR50
RLS1R0
RLS7R5
RLS10R
RLS15R
RLS25R
RLS50R
RLS150
RLS250
RLS500
RLS4K5
RLS10K
.5
1
7.5
10
15
25
73.51
72.95
70.14
60.30
48.23
48.23
48.23
60.30
60.30
48.23
51.83
59.82
71.14
70.59
67.88
58.35
46.67
46.67
46.67
58.35
58.35
46.67
50.16
57.89
Stock
No.
Mfr.Õs
Type
Ohms
1-9
10-24
296-4147
296-4143
296-4148
RCS25R
RCS100
RCS500
25
100
500
61.59
63.29
63.29
59.60
61.25
61.25
50
150
250
500
4.5K
10K
121/ Watt. Core Diameter: 0.875". Shaft Diameter: 1/
2 8".
296-4155
296-4156
296-4157
296-4158
296-4160
296-4165
296-4170
296-4175
296-4176
296-4180
296-4181
296-4182
296-4183
296-4185
296-4186
296-4187
296-4190
RES1R0
RES8R0
RES10R
RES15R
RES25R
RES50R
RES75R
RES100
RES125
RES250
RES350
RES500
RES1K0
RES1K5
RES2K5
RES5K0
RES10K
1
8
10
15
25
50
75
100
125
250
350
500
1K
1.5K
2.5K
5K
24.05
22.34
19.43
19.43
19.43
19.43
18.49
17.08
21.05
17.59
19.05
20.13
18.22
21.81
19.65
22.58
22.12
23.28
21.62
18.80
18.80
18.80
18.80
18.21
16.82
20.37
17.32
18.76
19.48
17.94
21.11
19.35
21.85
21.40
225 Watt. Core Diameter: 5". Shaft Diameter: 3/
8".
296-4430
296-4435
296-4440
296-4445
296-4450
296-4453
296-4455
296-4460
RPS1R0
RPS2R0
RPS10R
RPS15R
RPS25R
RPS100
RPS200
RPS300
1
2
10
15
25
100
200
300
109.72
109.72
104.40
104.40
104.40
100.86
100.86
100.86
106.18
106.18
101.03
101.03
101.03
97.61
97.61
97.61
10K
300 Watt. Core Diameter: 6". Shaft Diameter: 3/
8".
25 Watt. Core Diameter: 19/16". Shaft Diameter: 1/
4".
296-4360
296-4365
296-4375
296-4385
296-4390
296-4395
296-4400
296-4405
296-4410
296-4415
296-4420
296-4423
296-4425
RNS1R0
RNS2R0
RNS5R0
RNS10R
RNS15R
RNS25R
RNS50R
RNS100
RNS200
RNS300
RNS400
RNS1K2
RNS1K5
1
2
5
10
15
122.98
108.12
108.12
104.35
104.35
104.35
104.35
104.35
104.35
104.35
104.35
109.85
109.85
119.01
104.63
104.63
100.98
100.98
100.98
100.98
100.98
100.98
100.98
100.98
106.31
106.31
296-4203
296-4204
296-4205
296-4210
296-4212
296-4215
296-4220
296-4225
296-4230
296-4235
296-4240
296-4250
296-4255
296-4257
296-4260
296-4265
296-4270
296-4275
296-4280
296-4285
296-4290
296-4295
RHS1R0
RHS2R0
RHS3R0
RHS6R0
RHS8R0
RHS10R
RHS15R
RHS25R
RHS50R
RHS75R
RHS100
RHS175
RHS250
RHS350
RHS500
RHS750
RHS1K0
RHS1K5
RHS2K5
RHS3K5
RHS5K0
RHS10K
1
2
3
6
8
10
15
25
50
23.75
23.75
23.75
23.75
23.75
20.81
22.70
22.70
22.70
22.70
22.70
22.70
22.70
22.70
22.70
22.70
23.48
23.48
23.48
27.39
23.48
25.47
22.98
22.98
22.98
22.98
22.98
20.14
21.96
21.96
21.96
21.96
21.96
21.96
21.96
21.96
21.96
21.96
22.72
22.72
22.72
26.50
22.72
24.64
25
50
100
200
300
400
1.2K
1.5K
11
75
100
175
250
350
500
750
1K
1.5K
2.5K
3.5K
5K
500 Watt. Core Diameter: 8". Shaft Diameter: 3/
8".
296-4465
296-4470
296-4475
296-4480
296-4485
296-4490
296-4495
296-4500
296-4505
296-4510
296-4508
RRS1R0
RRS3R0
RRS5R0
RRS8R0
RRS12R5
RRS25R
RRS50R
RRS125
RRS250
RRS500
RRS2K5
1
3
5
8
12.5
25
50
125
250
500
2.5K
198.32
152.23
152.23
152.23
159.46
159.46
159.46
159.46
159.46
159.46
166.91
191.92
147.32
147.32
147.32
154.32
154.32
154.32
154.32
154.32
154.32
161.52
10K
50 Watt. Core Diameter: 25/16". Shaft Diameter: 1/
4".
296-4300
296-4305
296-4306
296-4308
296-4310
296-4315
296-4317
296-4320
296-4325
296-4330
296-4331
296-4332
296-4335
RJSR50
RJS1R0
RJS6R0
RJS35R
RJS50R
RJS125
RJS150
RJS225
RJS500
RJS1K0
RJS2K5
RJS5K0
RJS10K
.5
1
6
35
50
125
150
225
500
1K
2.5K
5K
34.39
30.70
30.70
26.86
26.86
26.86
26.86
25.81
23.66
28.22
28.22
28.22
28.22
33.28
29.71
29.71
25.99
25.99
25.99
25.99
24.97
22.90
27.31
27.31
27.31
27.31
1000 Watt. Core Diameter: 12". Shaft Diameter: 3/
8".
296-4515
296-4520
296-4525
296-4530
296-4535
296-4540
RUS1R0
RUS5R0
RUS10R
RUS25R
RUS50R
RUS500
1
5
10
25
50
500
305.78
340.92
324.44
324.44
324.44
311.76
295.92
329.92
313.98
313.98
313.98
301.71
10K
Knobs
Any knob can be used with any rheostat model which has the corresponding
shaft diameter. Knobs are fastened to shafts with slotted set screws.
Dials
Handsomely finished dials for rheostats. Figures and lines are etched on a black background
for contrast and ease of readability. Divisions, which indicate approximate percentage of
rheostat resistance in circuit, are marked from 0 to 100.
EACH
Stock
No.
Mfr.Õs
Type
Knob
Dia.
Hole
Dia.
Set
Screw
Description
Bar knob 11/ " long
1-9
10-24
1
296-1215
296-1217
296-1218
296-1220
296-1225
296-1227
296-1230
296-1232
296-1235
296-1240
5103
5104
5104A
5105
5109
5111
5111A
5116
5150
5151
4
Ñ
/
8
4
"
Slot
Slot
Hex
Slot
Slot
Slot
Hex
Slot
Slot
Slot
3.32
3.21
14.51
15.22
13.24
15.87
14.89
17.11
5.84
3
Handwheel with pointer
Handwheel with pointer
Handwheel without pointer
Fingergrip with pointer
Fingergrip with pointer
Fingergrip with pointer
31/
31/
31/
15/
23/
23/
4
"
"
"
"
"
"
/
"
15.23
15.99
13.69
16.66
15.63
17.68
6.04
3
/8"
3
4
4
/8"
1
Rheostat Recommended
EACH
Stock
No.
Mfr.Õs
Type
Dial
Dia.
8
/4"
1
8
/4"
1
Watts
Knob
1-9
10-24
8
/4"
1
Bar knob 11/
Fingergrip
Fingergrip
2" long
Ñ
/
4
"
296-1208
296-1210
296-1212
5007
5000
5001
11/
23/16
51/
4
"
7.5, 12.5
25, 50, 100, 150
225, 300, 500, 1000
5151
5150, 5116, 5103
5104
1.02
1.02
6.68
.97
.97
6.47
1
2
"
/ "
1
8
4
4.70
3.49
4.49
3.37
"
3
"
/
"
2
"
644
b
ALLIED
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