CE Compliant certified

CE Compliant

Obsolete Potentiometer Replacement Solutions for Legacy Systems

On Line Controls offers comprehensive obsolete potentiometer replacement solutions for legacy industrial control systems. Our motorized potentiometers provide drop-in replacements for discontinued ETI Systems and other legacy models, supporting AC and DC motor configurations with wirewound, conductive plastic, and hybrid elements. Engineered for industrial automation, process control, and feedback systems with lifespans up to 50 million turns.

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

Our Range of Products
AC Motorized Potentiometers

AC Motorized Potentiometers

  • Slip clutch protection safety
  • 1M-50M turn lifespan
  • Circuit board installation ready
DC Motorized Potentiometer

DC Motorized Potentiometer

  • Swiss motor/geartrain quality
  • Triple gang configurations
  • 10M turn life expectancy
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

  • 50M turns life expectancy
  • CE compliant international
  • 2W conductive plastic element
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 4 3/4″ L

  • 20M turn rotational life
  • Anodized aluminum housing
  • 1W single turn plastic
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

  • Open-frame rugged cage design
  • 2M turn durability
  • 10 turn wirewound precision
10 turn wirewound - 2 Watt - 100 ohm to 100K - 7/8″ Dia x 4 3/4″ L

10 turn wirewound - 2 Watt - 100 ohm to 100K - 7/8″ Dia x 4 3/4″ L

  • Space-saving compact design
  • 2M turns life expectancy
  • Manual adjustment capable

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Frequently Asked Questions

Can these potentiometers replace discontinued ETI Systems models?

Yes, our motorized potentiometers are designed as drop-in replacements for discontinued ETI Systems and other legacy models with custom configuration assistance available.

What's the typical lifespan of these replacement potentiometers?

Are both AC and DC motor options available?

What resistance ranges are available?

Do you provide technical support for legacy system integration?

What is the warranty coverage on replacement potentiometers?

Can you provide custom configurations for specialized 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

Precision motorized potentiometers for automated control systems, proportional controls, and analog device automation in manufacturing facilities.

Process Control

Process Control

High-precision feedback control solutions for process control systems requiring accurate position sensing and proportional control.

Power Generation

Power Generation

Durable motorized potentiometers for power plant control systems, tensioning motors, and critical infrastructure applications requiring long-term reliability.

Medical Equipment

Medical Equipment

Precision control solutions for medical device automation, positioning systems, and equipment requiring high resolution and long operational life.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Industrial Automation Engineers Choose On Line Controls, Inc.

44+ Years Manufacturing Excellence

Over four decades of proven expertise engineering precision motorized potentiometer solutions. USA-manufactured quality with three-year warranty on all products.

Drop-In Legacy System Compatibility

Direct replacements for discontinued ETI Systems and other obsolete models. Custom configuration support ensures seamless integration with existing control infrastructure.

Extended Product Lifespan

Engineered for durability with lifespans up to 50 million turns. Slip clutch protection and industrial-grade components minimize downtime and maintenance costs.

Need a Replacement for Your Obsolete Potentiometer? Get Expert Help

Submit your legacy system details and our technical team will identify the right replacement solution. Expect a detailed quote and compatibility confirmation 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