100 watt with 115 VAC motor
50 watt with DC motor
25 watt with DC motor
Motorized Rheostats
25 watt with 115 VAC motor
50 watt with 115 VAC motor
CE Compliant certified

CE Compliant

Motorized Rheostats and Electric Control Solutions

Motorized rheostats and electric control solutions provide high-precision proportional control for automating analog-driven devices with high wattage requirements. These panel-mount units combine rheostats and motors in compact, efficient packages designed for smooth, reliable operation in industrial automation and process control applications.

Our Range of Products

100 watt with 115 VAC motor

100 watt with 115 VAC motor

  • High Precision Proportional Control
  • Slip Clutch Protection System
  • 115 VAC Reversible Motor
50 watt with DC motor

50 watt with DC motor

  • Compact Efficient Package Design
  • 12 VDC Motor Operation
  • Long Period Reliable Operation
25 watt with DC motor

25 watt with DC motor

  • 25 Watt High Precision Control
  • Rheostat End Stop Protection
  • Panel Mount Configuration
Motorized Rheostats

Motorized Rheostats

  • Multiple Wattage Options Available
  • AC/DC Motor Configuration Options
  • Variable RPM Speed Selection
25 watt with 115 VAC motor

25 watt with 115 VAC motor

  • Linear Taper Winding Design
  • 25°C Temperature Rating
  • ±10% Tolerance Accuracy
50 watt with 115 VAC motor

50 watt with 115 VAC motor

  • 50 Watt Power Rating
  • CE Compliant International
  • Repair & Rebuild Services

Frequently Asked Questions

What is the main purpose of a rheostat?

A rheostat is a variable resistance device that controls electrical current flow for proportional control applications. In motorized configurations, these devices provide high-precision, automated control of analog-driven devices in industrial automation and process control systems, offering continuous adjustment for precise equipment operation.

How does an AC rheostat work?

What wattage ratings are available for motorized rheostats?

Can I choose between AC and DC motor configurations?

What RPM speed options are available for these motorized rheostats?

What protection features prevent equipment damage during operation?

Are these motorized rheostats suitable for international industrial applications?

What support and warranty coverage comes with these motorized rheostats?

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

Precise variable resistance control for automated manufacturing processes and equipment

Process Control

Process Control

High-precision proportional control for critical process parameters and system automation

Equipment Manufacturing

Equipment Manufacturing

Variable resistance settings for OEM equipment requiring convenient analog device control

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 Companies Choose On Line Controls, Inc.

44+ Years of Manufacturing Excellence

Since 1980, we've been the trusted leader in precision control solutions with proven expertise in industrial automation components.

Made in USA Quality Assurance

All products manufactured in our Massachusetts facility with 3-year warranty and comprehensive technical support worldwide.

Custom Engineering Solutions

Specialized motorized rheostats with custom specifications, multiple wattage options, and both AC/DC motor configurations available.

Get Expert Guidance on Your Motorized Rheostat Requirements

Connect with our technical team for custom specifications, pricing, and application support. Quick response guaranteed.

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