Best Rheostats in 2026

Daisy
Last Updated: Jan 22, 2026

At a Glance: Our Top Picks for Rheostats

Electronics-Salon 25W 300 OHM High Power Wirewound Potentiometer, Rheostat, Variable Resistor.
#TOP1
Electronics-Salon 25W 300 Ohm High Power Wirewound Potentiometer,
9.0
PM SCORE
Electronics-Salon 25W 20 OHM High Power Wirewound Potentiometer, Rheostat, Variable Resistor.
#TOP2
Electronics-Salon 25W 20 Ohm High Power Wirewound Potentiometer,
9.0
PM SCORE
Electronics-Salon 25W 30 OHM High Power Wirewound Potentiometer, Rheostat, Variable Resistor.
#TOP3
Electronics-Salon 25W 30 Ohm High Power Wirewound Potentiometer,
9.0
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Rheostats of 2026

Market Overview
Rheostats Reviewed
  • Reviews Analyzed: 489 Items
  • PM Avg. Rating: 3.9 / 10
24 Products Evaluated
  • Highest Price: $35.00
  • Lowest Price: $11.85
  • Avg. Price: $21.92
#TOP1

Electronics-Salon 25W 300 Ohm High Power Wirewound Potentiometer, Rheostat, Variable Resistor.

ELECTRONICS-SALON
VR-25W/300-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.87

Features

300 ohm 25 Watts High Power Ceramic Wirewound Potentiometer / Rheostat.

Quantity: 1 piece.

Size: A=43mm, B=40mm, F=50mm, L=24 +/-1mm.

Shaft Diameter: 6mm.

100% New.

#TOP2

Electronics-Salon 25W 20 Ohm High Power Wirewound Potentiometer, Rheostat, Variable Resistor.

ELECTRONICS-SALON
VR-25W/20-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.88

Features

20 ohm 25 Watts High Power Ceramic Wirewound Potentiometer / Rheostat.

Quantity: 1 piece.

Size: A=43mm, B=40mm, F=50mm, L=24 +/-1mm.

Shaft Diameter: 6mm.

100% New.

#TOP3

Electronics-Salon 25W 30 Ohm High Power Wirewound Potentiometer, Rheostat, Variable Resistor.

ELECTRONICS-SALON
VR-25W/30-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.88

Features

30 ohm 25 Watts High Power Ceramic Wirewound Potentiometer / Rheostat.

Quantity: 1 piece.

Size: A=43mm, B=40mm, F=50mm, L=24 +/-1mm.

Shaft Diameter: 6mm.

100% New.

#TOP4

Electronics-Salon 25W 10 Ohm High Power Wirewound Potentiometer, Rheostat, Variable Resistor.

ELECTRONICS-SALON
VR-25W/10-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.87

Features

10 ohm 25 Watts High Power Ceramic Wirewound Potentiometer / Rheostat.

Quantity: 1 piece.

Size: A=43mm, B=40mm, F=50mm, L=24 +/-1mm.

Shaft Diameter: 6mm.

100% New.

#TOP5

Electronics-Salon 200 Ohm 50W 50 Watts High Power Wirewound Potentiometer, Rheostat, Variable Resistor.

ELECTRONICS-SALON
VR-50W SERIES
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.88

Features

200 ohm 50 Watts High Power Ceramic Wirewound Potentiometer / Rheostat.

Quantity: 1 piece.

Size: A=63mm, B=40mm, F=71mm, L=24 +/-1mm, Shaft Diameter 6mm.

100% New.

#TOP6

Electronics-Salon 200W 30 Ohm High Power Wirewound Potentiometer, Rheostat, Variable Resistor.

ELECTRONICS-SALON
VR-200W/30-1
0.22 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.88

Features

30 ohm 200 Watts High Power Ceramic Wirewound Potentiometer / Rheostat.

Quantity: 1 piece.

Size: A=105mm, B=53mm, F=118mm, L=24 +/-1mm.

Shaft Diameter: 6mm.

100% New.

#TOP7

Electronics-Salon 200W 20 Ohm High Power Wirewound Potentiometer, Rheostat, Variable Resistor.

ELECTRONICS-SALON
VR-200W/20-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.87

Features

20 ohm 200 Watts High Power Ceramic Wirewound Potentiometer / Rheostat.

Quantity: 1 piece.

Size: A=105mm, B=53mm, F=118mm, L=24 +/-1mm.

Shaft Diameter: 6mm.

100% New.

#TOP8

Electronics-Salon 100W 10 Ohm High Power Wirewound Potentiometer, Rheostat, Variable Resistor.

ELECTRONICS-SALON
VR-100W/10-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.88

Features

10 ohm 100 Watts High Power Ceramic Wirewound Potentiometer / Rheostat.

Quantity: 1 piece.

Size: A=81mm, B=44mm, F=92mm, L=24 +/-1mm.

Shaft Diameter: 6mm.

100% New.

Electronics-Salon 100W 300 Ohm High Power Wirewound Potentiometer, Rheostat, Variable Resistor.

ELECTRONICS-SALON
VR-100W/300-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.88

Features

300 ohm 100 Watts High Power Ceramic Wirewound Potentiometer / Rheostat.

Quantity: 1 piece.

Size: A=81mm, B=44mm, F=92mm, L=24 +/-1mm.

Shaft Diameter: 6mm.

100% New.

Fielect Wirewound Ceramic Potentiometer Variable Rheostat Resistor With Knob 200W 500R 1Pcs

FIELECT
FLT20191104Z-0002
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Fielect US 9.88

Features

【Parameters】 -Model:Variable sliding potentiometer with knob;Resistance value:500R Ohm;Power:200W;Tolerance:+/-5%;Shape:porcelain plate.

【Material】 -The ceramic wirewound potentiometer is consisted of ceramic core and a resistive wire wrapped to form a toroid coil with a wiper axle.

【Features】 -The potentiometer carbon brush touches the resistance wire, and the resistance value is easy to adjust; the rocker type manual operation, the alloy shaft, smooth and durable.

【Function】 -The rheostat is used for the regulation of voltage and current in power equipment and the middle circuit, and controls the resistance of the circuit without interrupting the current.

【Application】 -Ceramic wirewound potentiometer can be widely used as a motor speed regulator, suitable for pumps, fans and blowers or other applications that require high voltage and current.

#TOP11

Electronics-Salon 200W 500 Ohm High Power Wirewound Potentiometer, Rheostat, Variable Resistor.

ELECTRONICS-SALON
VR-200W/500-1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electronics-Salon. 9.88

Features

500 ohm 200 Watts High Power Ceramic Wirewound Potentiometer / Rheostat.

Quantity: 1 piece.

Size: A=105mm, B=53mm, F=118mm, L=24 +/-1mm.

Shaft Diameter: 6mm.

100% New.

Uxcell® A14061700Ux0603 Ceramic Core Wirewound Variable Resistor Rheostat, 50W 10 Ohm

UXCELL
A14061700UX0603
2.56 X 1.57 X 0.98 Inches
0.11 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING

Features

Product Name : Resistor Rheostat;Material : Ceramic, Metal, Resin;Main Color : Green

Power Rating : 50W;Resistance Value : 10 Ohm ;Body Height : 2.5cm / 1"

Thread Diameter : 9.7mm / 0.38";Knob Diameter : 5.8mm / 0.228"

Lug Hole Diameter : 5mm / 0.197";Overall Size : 6.5 x 6.35cm/2.55 x 2.5 inches(L*D)

Net Weight : 50g;Package Content : 1 x Resistor

Heyiarbeit 50 Ohm 50W Ceramic Wirewound Potentiometer Linear Variable Rheostat Resistor With Knob For Light Dimmers Motor Speed Control 1Pcs

HEYIARBEIT
DFZ4900GP0711-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Heyiarbeit US 9.79

Features

【SIZE】- Power Rating: 50 W; Resistance Value: 50R Ohm; Tolerance: +/-5%; Resistance Material: Wire Wound; Shape: Porcelain Plate Type

【MATERIAL】- The rheostat is composed of a high-quality ceramic core and a resistance wire wound into a toroidal coil with a wiper shaft, durable and has a long service life

【FEATURE】- The resistance can be adjusted continuously, and control the electrical resistance of a circuit without interrupting the flow of current, saving the trouble of changing the resistance

【APPLICATION】- Ceramic rheostat can be used widely as light dimmers and motor speed control, is applicable for arc lamps, pumps, fans and blowers, model trains or other applications that require high voltage and current

【PACKAGE CONTENT】- 1 x Ceramic Rheostat(With knob); Please check the product dimension you need before placing the order

#TOP14

Sliding Rheostat, 5A 50Ω Metal Physics Electrical Slide Rheostat Resistance Laboratory Researching Tool

WALFRONT
WAL FRONTX9DHMZCY18
6.69 X 2.17 X 3.54 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Perfurt 9.71

Features

Scientific Laboratory 50 Ohms 5 Amps Sliding Rheostat Variable Resistor for Physical Electrical Experiment Equipment

The product adopts the oxidized and insulated wire, which is tightly wound on the porcelain tube and fixed on the metal protection bracket.

This product applies to circuits which is below 50Hz, 380V, below DC 440V. It plays the role of control circuit by changing its own resistance.

It can be used as a current and voltage regulator for research and demonstration in the laboratory, as well as for excitation and speed control of power generation equipment and DC motors.

Your satisfaction is our priority. If there is any quality problem of our product or you are not happy with your purchase in our store, please kindly contact us and we are always ready to help.

Heyiarbeit 5 Ohm 200W Ceramic Wirewound Potentiometer Linear Variable Rheostat Resistor With Knob For Light Dimmers Motor Speed Control 1Pcs

HEYIARBEIT
DFZ7000GP0711-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Heyiarbeit US 9.79

Features

【SIZE】- Power Rating: 200 W; Resistance Value: 5R Ohm; Tolerance: +/-5%; Resistance Material: Wire Wound; Shape: Porcelain Plate Type

【MATERIAL】- The rheostat is composed of a high-quality ceramic core and a resistance wire wound into a toroidal coil with a wiper shaft, durable and has a long service life

【FEATURE】- The resistance can be adjusted continuously, and control the electrical resistance of a circuit without interrupting the flow of current, saving the trouble of changing the resistance

【APPLICATION】- Ceramic rheostat can be used widely as light dimmers and motor speed control, is applicable for arc lamps, pumps, fans and blowers, model trains or other applications that require high voltage and current

【PACKAGE CONTENT】- 1 x Ceramic Rheostat(With knob); Please check the product dimension you need before placing the order

Heyiarbeit 50 Ohm 100W Ceramic Wirewound Potentiometer Linear Variable Rheostat Resistor With Knob For Light Dimmers Motor Speed Control 1Pcs

HEYIARBEIT
DFZ4000GP0711-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Heyiarbeit US 9.79

Features

【SIZE】- Power Rating: 100 W; Resistance Value: 50R Ohm; Tolerance: +/-5%; Resistance Material: Wire Wound; Shape: Porcelain Plate Type

【MATERIAL】- The rheostat is composed of a high-quality ceramic core and a resistance wire wound into a toroidal coil with a wiper shaft, durable and has a long service life

【FEATURE】- The resistance can be adjusted continuously, and control the electrical resistance of a circuit without interrupting the flow of current, saving the trouble of changing the resistance

【APPLICATION】- Ceramic rheostat can be used widely as light dimmers and motor speed control, is applicable for arc lamps, pumps, fans and blowers, model trains or other applications that require high voltage and current

【PACKAGE CONTENT】- 1 x Ceramic Rheostat(With knob); Please check the product dimension you need before placing the order

Jutagoss 200W 10 Ohm Wirewound Ceramic Potentiometer Rheostat Variable Resistor With Knob

JUTAGOSS
HF1701OW05Z10-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Jutagoss US 7.24

Features

【Parameter】- Resistance material:Wire wound; Resistance Value:10R Ohm;Power:200W;Tolerance:+/-5%;Variable sliding potentiometer with knob;

【Application】- Widely used in educational modeling,mixers;fans;power tools,load simulations;industiral machinery RPM adjustment;voltage and current adjustment;instruments,and automated control installations;

【Advantages】- High quality;precise;convenient;fast;durable;

【Features】- The rheostat is consisted of ceramic core and a resistive wire wrapped to form a toroid coil with a wiper axle;

【Product Service】- If you have any questions about our products,please contact us in time,we will provide you with detailed answers;

Jutagoss 200W 500 Ohm Ceramic Core Wirewound Variable Resistor Rheostat With Knob 1Pcs

JUTAGOSS
HF7200OW05Z10-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Jutagoss US 7.24

Features

【Parameter】- Resistance material:wire wound;Resistance Value:500R Ohm;Power:200W;Tolerance:+/-5%;Variable sliding potentiometer with knob;

【Application】- Widely used in educational modeling,mixers;fans;power tools,load simulations;industiral machinery RPM adjustment;voltage and current adjustment;instruments,and automated control installations;

【Advantages】- High quality;precise;convenient;fast;durable;

【Features】- The rheostat is consisted of ceramic core and a resistive wire wrapped to form a toroid coil with a wiper axle;

【Product Service】- If you have any questions about our products,please contact us in time,we will provide you with detailed answers;

Heyiarbeit 10 Ohm 200W Ceramic Wirewound Potentiometer Linear Variable Rheostat Resistor With Knob For Light Dimmers Motor Speed Control 1Pcs

HEYIARBEIT
DFZ7600GP0711-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Heyiarbeit US 9.80

Features

【SIZE】- Power Rating: 200 W; Resistance Value: 10R Ohm; Tolerance: +/-5%; Resistance Material: Wire Wound; Shape: Porcelain Plate Type

【MATERIAL】- The rheostat is composed of a high-quality ceramic core and a resistance wire wound into a toroidal coil with a wiper shaft, durable and has a long service life

【FEATURE】- The resistance can be adjusted continuously, and control the electrical resistance of a circuit without interrupting the flow of current, saving the trouble of changing the resistance

【APPLICATION】- Ceramic rheostat can be used widely as light dimmers and motor speed control, is applicable for arc lamps, pumps, fans and blowers, model trains or other applications that require high voltage and current

【PACKAGE CONTENT】- 1 x Ceramic Rheostat(With knob); Please check the product dimension you need before placing the order

Heyiarbeit 100 Ohm 200W Ceramic Wirewound Potentiometer Linear Variable Rheostat Resistor With Knob For Light Dimmers Motor Speed Control 1Pcs

HEYIARBEIT
DFZ7800GP0711-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Heyiarbeit US 9.80

Features

【SIZE】- Power Rating: 200 W; Resistance Value: 100R Ohm; Tolerance: +/-5%; Resistance Material: Wire Wound; Shape: Porcelain Plate Type

【MATERIAL】- The rheostat is composed of a high-quality ceramic core and a resistance wire wound into a toroidal coil with a wiper shaft, durable and has a long service life

【FEATURE】- The resistance can be adjusted continuously, and control the electrical resistance of a circuit without interrupting the flow of current, saving the trouble of changing the resistance

【APPLICATION】- Ceramic rheostat can be used widely as light dimmers and motor speed control, is applicable for arc lamps, pumps, fans and blowers, model trains or other applications that require high voltage and current

【PACKAGE CONTENT】- 1 x Ceramic Rheostat(With knob); Please check the product dimension you need before placing the order

Heyiarbeit 10 Ohm 50W Ceramic Wirewound Potentiometer Linear Variable Rheostat Resistor With Knob For Light Dimmers Motor Speed Control 1Pcs

HEYIARBEIT
DFZ6800GP0711-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Heyiarbeit US 9.80

Features

【SIZE】- Power Rating: 50 W; Resistance Value: 10R Ohm; Tolerance: +/-5%; Resistance Material: Wire Wound; Shape: Porcelain Plate Type

【MATERIAL】- The rheostat is composed of a high-quality ceramic core and a resistance wire wound into a toroidal coil with a wiper shaft, durable and has a long service life

【FEATURE】- The resistance can be adjusted continuously, and control the electrical resistance of a circuit without interrupting the flow of current, saving the trouble of changing the resistance

【APPLICATION】- Ceramic rheostat can be used widely as light dimmers and motor speed control, is applicable for arc lamps, pumps, fans and blowers, model trains or other applications that require high voltage and current

【PACKAGE CONTENT】- 1 x Ceramic Rheostat(With knob); Please check the product dimension you need before placing the order

Aexit 150W Watt Variable Resistors 300 Ohm Ceramic Disk Adjustable Rheostats Resistor Rheostat

AEXIT
F190412AE153497
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aexit 8.07

Features

Product Name : Rheostat;Material : Ceramic, Metal;Color : As Picture Shown

Power Rating : 150 W;Resistance Value : 300 ohm ;Body Height : 39mm/ 1.4"

Mounted Hole Dia : 5mm/ 0.2";Thread Diameter : 10mm/ 0.39"

Shaft Dia. : 6mm/ 0.23'';Overall Size : 98 x 80mm/ 3.8" x3.1" (D*H)

Net Weight : 463g;Package Content : 1 x Ceramic Rheostat

Heyiarbeit 200 Ohm 200W Ceramic Wirewound Potentiometer Linear Variable Rheostat Resistor With Knob For Light Dimmers Motor Speed Control 1Pcs

HEYIARBEIT
DFZ7300GP0711-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Heyiarbeit US 9.79

Features

【SIZE】- Power Rating: 200 W; Resistance Value: 200R Ohm; Tolerance: +/-5%; Resistance Material: Wire Wound; Shape: Porcelain Plate Type

【MATERIAL】- The rheostat is composed of a high-quality ceramic core and a resistance wire wound into a toroidal coil with a wiper shaft, durable and has a long service life

【FEATURE】- The resistance can be adjusted continuously, and control the electrical resistance of a circuit without interrupting the flow of current, saving the trouble of changing the resistance

【APPLICATION】- Ceramic rheostat can be used widely as light dimmers and motor speed control, is applicable for arc lamps, pumps, fans and blowers, model trains or other applications that require high voltage and current

【PACKAGE CONTENT】- 1 x Ceramic Rheostat(With knob); Please check the product dimension you need before placing the order

Heyiarbeit 30 Ohm 200W Ceramic Wirewound Potentiometer Linear Variable Rheostat Resistor With Knob For Light Dimmers Motor Speed Control 1Pcs

HEYIARBEIT
DFZ7700GP0711-FBA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Heyiarbeit US 9.79

Features

【SIZE】- Power Rating: 200 W; Resistance Value: 30R Ohm; Tolerance: +/-5%; Resistance Material: Wire Wound; Shape: Porcelain Plate Type

【MATERIAL】- The rheostat is composed of a high-quality ceramic core and a resistance wire wound into a toroidal coil with a wiper shaft, durable and has a long service life

【FEATURE】- The resistance can be adjusted continuously, and control the electrical resistance of a circuit without interrupting the flow of current, saving the trouble of changing the resistance

【APPLICATION】- Ceramic rheostat can be used widely as light dimmers and motor speed control, is applicable for arc lamps, pumps, fans and blowers, model trains or other applications that require high voltage and current

【PACKAGE CONTENT】- 1 x Ceramic Rheostat(With knob); Please check the product dimension you need before placing the order

Top 10 rheostats Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Electronics-Salon 10
Heyiarbeit 8
Jutagoss 2
Aexit 1
Fielect 1
Uxcell 1
Walfront 1

Top 10 rheostats Brands Pie Chart


We've carried out a comprehensive analysis of 489 reviews on rheostats, using our selection criteria to identify the best options in the reptiles & amphibian supplies. Our findings reveal that most customers typically select rheostats priced around $21.92, with top brands including zoo med, electronics-salon, l&z, jod, yigucs, midwest hearth, all-carb, labwork and fielect and ohmite

Our team of expert editors reviewed these high-quality items and handpicked the top 24 rheostats for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the reptiles & amphibian supplies category. These include one way pet, electronics-salon., liangxu science and technology, ubaish, taillyg, mn warehouse deals, all-carb, labwork-parts and fielect us and onlinecomponents store .

We are dedicated to assisting our users in finding the right rheostats Products based on their needs, saving them considerable time when choosing which rheostats to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.