Rheostats

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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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RHS1K0E
RHS1K0E - Rheostat, Wirewound, 1 kohm, 25 W, RHS Series, Panel Mount, Flatted

64K5737

Rheostat, Wirewound, 1 kohm, 25 W, RHS Series, Panel Mount, Flatted

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- 1kohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug -mm -mm 34.93mm -°C -°C
RHS25R
RHS25R - Rheostat, Wirewound, 25 ohm, 25 W, RHS Series, Panel Mount, Flatted

01F7552

Rheostat, Wirewound, 25 ohm, 25 W, RHS Series, Panel Mount, Flatted

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- 25ohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RLS15RE
RLS15RE - Rheostat, Wirewound, 15 ohm, 150 W, RLS Series, Panel Mount, Flatted

64K5852

Rheostat, Wirewound, 15 ohm, 150 W, RLS Series, Panel Mount, Flatted

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- 15ohm 150W RLS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 50.8mm - -
RKS100E
RKS100E - Rheostat, Wirewound, 100 ohm, 100 W, RKS Series, Panel Mount, Flatted

64K5827

Rheostat, Wirewound, 100 ohm, 100 W, RKS Series, Panel Mount, Flatted

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- 100ohm 100W RKS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 44.45mm - -
RHS75RE
RHS75RE - Rheostat, Wirewound, 75 ohm, 25 W, RHS Series, Panel Mount, Flatted

64K5762

Rheostat, Wirewound, 75 ohm, 25 W, RHS Series, Panel Mount, Flatted

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- 75ohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RES100E
RES100E - Rheostat, Wirewound, 100 ohm, 12.5 W, RES Series, Panel Mount, Round Shaft

64K5659

Rheostat, Wirewound, 100 ohm, 12.5 W, RES Series, Panel Mount, Round Shaft

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- 100ohm 12.5W RES Series - Panel Mount Round Shaft - - ± 10% - Solder Lug - - 17.46mm - -
RHS100E
RHS100E - Rheostat, Wirewound, 100 ohm, 25 W, RHS Series, Panel Mount, Flatted

64K5742

Rheostat, Wirewound, 100 ohm, 25 W, RHS Series, Panel Mount, Flatted

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- 100ohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RHS5K0
RHS5K0 - Rheostat, Wirewound, 5 kohm, 25 W, RHS Series, Panel Mount, Flatted

01F7567

Rheostat, Wirewound, 5 kohm, 25 W, RHS Series, Panel Mount, Flatted

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- 5kohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RHS175E
RHS175E - Rheostat, Wirewound, 175 ohm, 25 W, RHS Series, Panel Mount, Flatted

64K5746

Rheostat, Wirewound, 175 ohm, 25 W, RHS Series, Panel Mount, Flatted

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- 175ohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RHS10KE
RHS10KE - Rheostat, Wirewound, 10 kohm, 25 W, RHS Series, Panel Mount, Flatted

64K5740

Rheostat, Wirewound, 10 kohm, 25 W, RHS Series, Panel Mount, Flatted

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- 10kohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RHS500E
RHS500E - Rheostat, Wirewound, 500 ohm, 25 W, RHS Series, Panel Mount, Flatted

64K5759

Rheostat, Wirewound, 500 ohm, 25 W, RHS Series, Panel Mount, Flatted

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- 500ohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RHS50RE
RHS50RE - Rheostat, Wirewound, 50 ohm, 25 W, RHS Series, Panel Mount, Flatted

64K5758

Rheostat, Wirewound, 50 ohm, 25 W, RHS Series, Panel Mount, Flatted

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- 50ohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RKS10RE
RKS10RE - Rheostat, Wirewound, 10 ohm, 100 W, RKS Series, Panel Mount, Flatted

64K5826

Rheostat, Wirewound, 10 ohm, 100 W, RKS Series, Panel Mount, Flatted

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- 10ohm 100W RKS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 44.45mm - -
RHS1K0
RHS1K0 - Rheostat, Wirewound, 1 kohm, 25 W, RHS Series, Panel Mount, Flatted

01F7563

Rheostat, Wirewound, 1 kohm, 25 W, RHS Series, Panel Mount, Flatted

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- 1kohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RHS15R
RHS15R - Rheostat, Wirewound, 15 ohm, 25 W, RHS Series, Panel Mount, Flatted

01F7551

Rheostat, Wirewound, 15 ohm, 25 W, RHS Series, Panel Mount, Flatted

OHMITE

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- 15ohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RHS25RE
RHS25RE - Rheostat, Wirewound, 25 ohm, 25 W, RHS Series, Panel Mount, Flatted

64K5751

Rheostat, Wirewound, 25 ohm, 25 W, RHS Series, Panel Mount, Flatted

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- 25ohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RGS200E
RGS200E - Rheostat, Wirewound, 200 ohm, 75 W, RGS Series, Panel Mount, Flatted

64K5696

Rheostat, Wirewound, 200 ohm, 75 W, RGS Series, Panel Mount, Flatted

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- 200ohm 75W RGS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 44.45mm - -
RKS25RE
RKS25RE - Rheostat, Wirewound, 25 ohm, 100 W, RKS Series, Panel Mount, Flatted

64K5833

Rheostat, Wirewound, 25 ohm, 100 W, RKS Series, Panel Mount, Flatted

OHMITE

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- 25ohm 100W RKS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 44.45mm - -
RES500E
RES500E - Rheostat, Wirewound, 500 ohm, 12.5 W, RES Series, Panel Mount, Round Shaft

64K5679

Rheostat, Wirewound, 500 ohm, 12.5 W, RES Series, Panel Mount, Round Shaft

OHMITE

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- 500ohm 12.5W RES Series - Panel Mount Round Shaft - - ± 10% - Solder Lug - - 17.46mm - -
RJS16RE
RJS16RE - Rheostat, Wirewound, 16 ohm, 50 W, RJS Series, Panel Mount, Flatted

64K5799

Rheostat, Wirewound, 16 ohm, 50 W, RJS Series, Panel Mount, Flatted

OHMITE

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- 16ohm 50W RJS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RJS10KE
RJS10KE - Rheostat, Wirewound, 10 kohm, 50 W, RJS Series, Panel Mount, Flatted

64K5794

Rheostat, Wirewound, 10 kohm, 50 W, RJS Series, Panel Mount, Flatted

OHMITE

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- 10kohm 50W RJS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RHS50R
RHS50R - Rheostat, Wirewound, 50 ohm, 25 W, RHS Series, Panel Mount, Flatted

01F7554

Rheostat, Wirewound, 50 ohm, 25 W, RHS Series, Panel Mount, Flatted

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- 50ohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RHS750E
RHS750E - Rheostat, Wirewound, 750 ohm, 25 W, RHS Series, Panel Mount, Flatted

64K5763

Rheostat, Wirewound, 750 ohm, 25 W, RHS Series, Panel Mount, Flatted

OHMITE

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- 750ohm 25W RHS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -
RLS10KE
RLS10KE - Rheostat, Wirewound, 10 kohm, 150 W, RLS Series, Panel Mount, Flatted

64K5849

Rheostat, Wirewound, 10 kohm, 150 W, RLS Series, Panel Mount, Flatted

OHMITE

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- 10kohm 150W RLS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 50.8mm - -
RJS5K0E
RJS5K0E - Rheostat, Wirewound, 5 kohm, 50 W, RJS Series, Panel Mount, Flatted

64K5812

Rheostat, Wirewound, 5 kohm, 50 W, RJS Series, Panel Mount, Flatted

OHMITE

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- 5kohm 50W RJS Series - Panel Mount Flatted - - ± 10% - Solder Lug - - 34.93mm - -