Rheostats:

46 Products Found
We offer a wide range of rheostats, with power ratings from 25W to 1kW. Track resistances range from 0.5Ohm to 50kOhm.Like potentiometers, rheostats have a uniform resistance track and a sliding contact – however they are connected into an external circuit differently, and they have a different function. They have two terminals rather than three, where one terminal is connected to the resistance track and the other to the sliding contact. As two-terminal devices they are wired in series with a load such as a lamp. Moving the sliding contact alters the series resistance in circuit, controlling the level of current flowing through the lamp and therefore its brightness.

Types of rheostats

Rotary Rheostats are usually used in power applications; as the name suggests, their resistance tracks are rotary.Linear Rheostats have a linear movement for changing the resistance path length and therefore the resistance. This type is usually found in laboratory applications.Preset Rheostats are usually found on printed circuit boards, and used for calibration purposes.

Rheostat applications

Rheostats are used in dimmer circuits, heaters and ovens, and speed control circuits for motors. They are also used for easily varying currents in teaching applications.
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ComparePrice ForQuantity
2145770

RoHS

Each
1+
Rs.11,380.770
2+
Rs.10,996.020
3+
Rs.10,611.260
5+
Rs.10,226.500
10+
Rs.9,841.740
More Pricing...
Min: 1 / Mult: 1
50ohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
2145771

RoHS

Each
1+
Rs.9,896.850
2+
Rs.9,618.890
3+
Rs.9,340.920
5+
Rs.9,062.960
10+
Rs.8,784.990
More Pricing...
Min: 1 / Mult: 1
25ohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
2145764

RoHS

Each
1+
Rs.12,424.310
2+
Rs.11,920.800
3+
Rs.11,417.290
5+
Rs.10,913.780
10+
Rs.10,410.260
More Pricing...
Min: 1 / Mult: 1
500ohm
50W
J Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
1129869

RoHS

Each
1+
Rs.9,994.860
2+
Rs.9,774.750
3+
Rs.9,554.640
5+
Rs.9,334.530
10+
Rs.9,114.420
More Pricing...
Min: 1 / Mult: 1
100ohm
25W
RHS Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
2145774

RoHS

Each
1+
Rs.11,823.560
2+
Rs.11,347.020
3+
Rs.10,870.480
5+
Rs.10,393.940
10+
Rs.9,917.390
More Pricing...
Min: 1 / Mult: 1
10kohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
157454

RoHS

Each
1+
Rs.80,678.890
5+
Rs.58,847.590
10+
Rs.49,473.000
Min: 1 / Mult: 1
5.6ohm
811W
BFA Series
Panel Mount
Top
High Power
± 10%
Screw
405mm
94mm
153mm
-
-
1129886

RoHS

Each
1+
Rs.11,379.030
2+
Rs.10,994.280
3+
Rs.10,609.520
5+
Rs.10,224.760
10+
Rs.9,840.000
More Pricing...
Min: 1 / Mult: 1
50ohm
25W
RHS Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
1129885

RoHS

Each
1+
Rs.11,152.940
2+
Rs.10,799.720
3+
Rs.10,446.500
5+
Rs.10,093.280
10+
Rs.9,740.060
More Pricing...
Min: 1 / Mult: 1
5kohm
25W
RHS Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
1141310

RoHS

Each
1+
Rs.44,621.180
5+
Rs.39,043.530
10+
Rs.32,350.350
Min: 1 / Mult: 1
220ohm
12W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
17mm
-55°C
320°C
2145772

RoHS

Each
1+
Rs.9,922.710
2+
Rs.9,752.630
3+
Rs.9,582.540
5+
Rs.9,412.460
10+
Rs.9,242.370
More Pricing...
Min: 1 / Mult: 1
1kohm
25W
H Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
1141319

RoHS

Each
1+
Rs.23,912.180
5+
Rs.21,041.180
10+
Rs.18,170.180
Min: 1 / Mult: 1
47ohm
25W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
25mm
-55°C
320°C
1050187
Each
1+
Rs.8,097.650
2+
Rs.7,852.310
3+
Rs.7,606.970
5+
Rs.7,361.630
10+
Rs.7,116.290
More Pricing...
Min: 1 / Mult: 1
100ohm
25W
RHS Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
1129904

RoHS

Each
1+
Rs.10,815.720
2+
Rs.10,573.430
3+
Rs.10,331.130
5+
Rs.10,088.840
10+
Rs.9,846.540
More Pricing...
Min: 1 / Mult: 1
225ohm
50W
RJS Series
Panel Mount
Flatted
-
± 10%
Solder Lug
-
-
34.93mm
-
-
157478

RoHS

Each
1+
Rs.84,041.170
5+
Rs.61,300.050
10+
Rs.51,534.780
Min: 1 / Mult: 1
33ohm
675W
BFA Series
Panel Mount
Top
High Power
± 10%
Screw
405mm
94mm
153mm
-
-
1141339

RoHS

Each
1+
Rs.39,553.270
Min: 1 / Mult: 1
100ohm
100W
RT Series
Panel Mount
Rotary
-
± 10%
Solder Lug
-
-
50mm
-55°C
320°C
157491

RoHS

Each
1+
Rs.80,678.890
5+
Rs.58,847.590
10+
Rs.49,473.000
Min: 1 / Mult: 1
560ohm
521W
BFA Series
Panel Mount
Top
High Power
± 10%
Screw
405mm
68mm
132mm
-
-
157480

RoHS

Each
1+
Rs.80,678.890
5+
Rs.58,847.590
10+
Rs.49,473.000
Min: 1 / Mult: 1
120ohm
580W
BFA Series
Panel Mount
Top
High Power
± 10%
Screw
405mm
94mm
153mm
-
-
157466

RoHS

Each
1+
Rs.80,678.890
5+
Rs.58,847.590
10+
Rs.49,473.000
Min: 1 / Mult: 1
22ohm
760W
BFA Series
Panel Mount
Top
High Power
± 10%
Screw
405mm
94mm
153mm
-
-
4046506

RoHS

Each
1+
Rs.9,944.400
2+
Rs.9,710.160
3+
Rs.9,475.910
5+
Rs.9,241.660
10+
Rs.9,007.410
More Pricing...
Min: 1 / Mult: 1
10kohm
25W
H Series
Panel Mount
Flatted
High Power
± 10%
Solder Lug
-
-
53.98mm
-
-
4046529

RoHS

Each
1+
Rs.12,802.350
5+
Rs.12,402.590
10+
Rs.12,002.820
Min: 1 / Mult: 1
10kohm
50W
J Series
Panel Mount
Flatted
High Power
± 10%
Solder Lug
-
-
57.16mm
-
-
4046558

RoHS

Each
1+
Rs.18,777.750
5+
Rs.17,291.360
10+
Rs.15,804.960
Min: 1 / Mult: 1
100ohm
100W
K Series
Panel Mount
Flatted
High Power
± 10%
Solder Lug
-
-
66.68mm
-
-
26-46 of 46 items
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