CE Compliant certified

CE Compliant

25W Rheostats High Power Wirewound Potentiometers

Precision-engineered 25W rheostats and high-power wirewound potentiometers designed for industrial automation and process control applications. These motorized rheostats combine variable resistance control with DC and AC motor systems, providing reliable proportional control for high-wattage analog devices with slip clutch protection and smooth operation.

25 watt with DC motor
Motorized Rheostats
25 watt with 115 VAC motor

Our Range of Products

25 watt with DC motor

25 watt with DC motor

  • High precision proportional control
  • Slip clutch protection system
  • DC motor with 1-2 RPM options
Motorized Rheostats

Motorized Rheostats

  • Multiple wattage options available
  • AC/DC motor configurations
  • Panel mount design
25 watt with 115 VAC motor

25 watt with 115 VAC motor

  • 115 VAC reversible motor
  • RPM range from 1-15
  • 25°C wattage rating

Frequently Asked Questions

What is the purpose of a rheostat?

A rheostat provides precise variable resistance control for industrial automation and process control applications. These 25W motorized rheostats enable high-precision proportional control of automated manufacturing processes, analog devices, and control systems through adjustable resistance settings.

Does a rheostat reduce voltage?

What motor configurations are available for these 25W rheostats?

How does the slip clutch protection system work?

What wattage options are available beyond the 25W model?

Can these rheostats be customized for specific resistance values?

What tolerance level do these 25W rheostats maintain?

What warranty and service support is provided?

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 control systems

Process Control

Process Control

High-precision analog device automation for chemical, pharmaceutical, and manufacturing processes

Equipment Manufacturing

Equipment Manufacturing

Variable resistance settings for OEM equipment requiring convenient analog control interfaces

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

You might also like

Why Industrial Automation Engineers Choose On Line Controls, Inc.

44+ Years Manufacturing Excellence

Proven track record since 1980 with over four decades of precision manufacturing experience in industrial control systems.

Made in USA Quality

All products manufactured domestically with rigorous quality standards and 3-year warranty coverage for reliable performance.

Worldwide Technical Support

Expert engineering support and custom specifications available globally with direct sales and comprehensive service backing.

Get Expert Guidance on Your Rheostat Requirements

Connect with our technical team for custom specifications and pricing. Expect prompt response from engineers with 35+ years experience.

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