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Motorized Potentiometer for Speed Control Applications

Motorized potentiometers for speed control combine precision variable resistance with automated motor control. Available in DC and AC configurations with wirewound or conductive plastic elements, these devices provide proportional control for industrial automation, process control, and feedback systems. Models range from 0.5W to 100W with life expectancies up to 50 million turns.

AC Motorized Potentiometers
DC Motorized Potentiometer
Single turn Conductive plastic - 1 Watt - 50 ohm to 20K Standard - 1 3/8″ Dia x 3.76″L 5.5″L
Single turn wirewound - 0.5 Watt - 10 ohm to 20K - 1 3/8″ Dia x 3.76″L Dual 4.25″L
Single turn conductive plastic - 2 Watt - 500 ohm to 100K - 2″ square x 4 1/4″ L
10 turn wirewound - 2 Watt - 100 ohm to 100K - 1 1/4″Dia x 4 3/4″ L
10 turn wirewound - 2 Watt - 100 ohm to 100K - *
10 turn wirewound - 2 Watt - 100 ohm to 100K - 1.5″ x 5″ L
Single turn wirewound - 0.5 Watt - 10 ohm to 20K - 1.5″ x 5″ L
10 turn wirewound - 2 Watt - 1K/1K, 2K/2K, 3K/3K, 5K/5K, 5K/10K, 10K/10K - 1.5″ x 6″ L
Single turn conductive plastic - 1 Watt - 500 ohm to 20K Standard - 1.5″ x 4 3/4″ L
Single turn conductive plastic - 1 Watt - 500 ohm to 20K Standard - 1.5″ x 5″ L
10 turn wirewound - 2 Watt - 100 ohm to 100K - 1.5″ x 5 1/4″ L
50 watt with 115 VAC motor
Single turn Conductive plastic - 1 Watt - 500 ohm to 100K - 1 1/4″Dia X 5.4″L
10 turn wirewound - 5 Watt - 10 ohm to 100K - 2″ square x 8.5″ L
Single turn wirewound - 0.5 Watt - 1K/1K, 2K/2K, 3K/3K, 5K/5K, 5K/10K, 10K/10K - 1.5″ x 5.25″ L
Single turn wirewound - 0.5 Watt - 10 ohm to 20K - 2″ x 5.25″ L
10 turn wirewound - 2 Watt - 100 ohm to 100K - 7/8″ Dia x 4 3/4″ L
10 turn wirewound - 2 Watt - 1K/1K, 2K/2K, 5K/5K, 10K/10K, 2K/3K, 5K/10K - 1 1/4″Dia x 5 3/4″ L
10 turn wirewound - 2 Watt - 100 ohm to 100K - 1 1/4″Dia x 6″ L
10 turn wirewound - 2 Watt - 100 ohm to 100K - 1.5″ x 6 1/2″ L
Motorized Rheostats
Single turn conductive plastic - 2 Watt - 1K to 100K - 2″ square x 4″ L
100 watt with 115 VAC motor
10 turn wirewound - 2 Watt - 100 ohm to 100K - 1.5″ x 6 3/4″ L
10 turn wirewound - 2 Watt - 100 ohm to 100K - 1 3/8″Dia x 4″ L
10 turn wirewound - 2 Watt - 5K/5K/5K normal. Others available. - 1 1/4″Dia x 7″ L
3 turn hybrid - 1 Watt - 1K to 100K - 7/8″Dia x 4 3/4″ L
10 turn wirewound - 5 Watt - 100 ohm to 100K Normal 1K - 2″ Square x 6 3/4″ L
50 watt with DC motor
25 watt with 115 VAC motor
25 watt with DC motor

Our Range of Products
AC Motorized Potentiometers

AC Motorized Potentiometers

  • 115 VAC reversible motor
  • Dynamic braking diode included
  • Circuit board options available
DC Motorized Potentiometer

DC Motorized Potentiometer

  • Swiss-made motors & geartrains
  • Slip clutch protection built-in
  • Up to 10M turn life expectancy
Single turn Conductive plastic - 1 Watt - 50 ohm to 20K Standard - 1 3/8″ Dia x 3.76″L 5.5″L

Single turn Conductive plastic - 1 Watt - 50 ohm to 20K Standard - 1 3/8″ Dia x 3.76″L 5.5″L

  • 10 million turn lifespan
  • Conductive plastic element
  • Gold plated connections
Single turn wirewound - 0.5 Watt - 10 ohm to 20K - 1 3/8″ Dia x 3.76″L Dual 4.25″L

Single turn wirewound - 0.5 Watt - 10 ohm to 20K - 1 3/8″ Dia x 3.76″L Dual 4.25″L

  • Gold plated terminals
  • Dual gang option for feedback
  • 500,000 turn life
Single turn conductive plastic - 2 Watt - 500 ohm to 100K - 2″ square x 4 1/4″ L

Single turn conductive plastic - 2 Watt - 500 ohm to 100K - 2″ square x 4 1/4″ L

  • 50 million turn life
  • Dynamic braking diode
  • Circuit board with terminals
10 turn wirewound - 2 Watt - 100 ohm to 100K - 1 1/4″Dia x 4 3/4″ L

10 turn wirewound - 2 Watt - 100 ohm to 100K - 1 1/4″Dia x 4 3/4″ L

  • Rugged open-frame cage design
  • 2 million turn life expectancy
  • Manual adjustment capability

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Frequently Asked Questions

Can a potentiometer control motor speed?

Yes, motorized potentiometers provide precise proportional control for motor speed by varying resistance, enabling automated speed adjustments in industrial applications.

How does a speed potentiometer work?

What's the difference between wirewound and conductive plastic elements?

What voltage options are available for motorized potentiometers?

How do I select the right RPM for my application?

What is the slip clutch protection feature?

Can motorized potentiometers be customized for specific applications?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Industrial Automation

Industrial Automation

Motorized potentiometers automate proportional control systems, providing precise resistance adjustments for process control and speed regulation.

Process Control

Process Control

Used in flow meters, tensioning motors, and setpoint devices for accurate feedback and proportional control in manufacturing processes.

Aerospace & Defense

Aerospace & Defense

Motorized potentiometers control critical systems in aircraft, helicopters, and simulators requiring high reliability and precision positioning.

Energy & Power

Energy & Power

Applied in power plants and oil rigs for proportional control of analog-driven devices requiring robust, long-life performance in harsh environments.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Single turn conductive plastic - 1 Watt - 500 ohm to 20K Standard - 1.5″ x 5″ L | Potentiometer for AC Motor Speed Control

Potentiometer for AC Motor Speed Control

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Motorized potentiometers for PLC and automation integration provide precise, automated control of analog devices across industrial applications. These motorized units combine high-quality potentiometers with reliable DC or AC motors, offering programmable positioning, remote adjustment, and feedback capabilities. Available in wirewound and conductive plastic element types with various power ratings and resistance ranges, they deliver consistent performance in process control, industrial automation, and precision positioning systems.

Why Industrial Automation Engineers Choose On Line Controls, Inc.

Swiss-Made Precision Components

Our motorized potentiometers feature Swiss-made motors and geartrains, delivering superior quality and reliability for demanding industrial applications with life expectancies up to 50 million turns.

40+ Years Manufacturing Excellence

Since 1980, we've manufactured precision motorized potentiometers in the USA, offering expert technical support, three-year warranties, and comprehensive repair services for long-term customer satisfaction.

Custom Configuration Expertise

From single to triple gang configurations, DC or AC motors, wirewound or conductive plastic elements—we provide extensive customization options with engineering consultation to meet your exact specifications.

Get Expert Guidance on Motorized Potentiometer Selection

Our engineers will help you select the right motor type, element configuration, and specifications for your speed control application. Expect a detailed quote within 24 hours.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 978-562-5353. You can also send us a quick email at olc@onlinecontrols.com.