CE Compliant certified

CE Compliant

12 Ohm 150 Watt Rheostats Variable Resistors

Explore our line of 12 Ohm 150 Watt rheostats and variable resistors, engineered for precise resistance control in industrial automation and process control applications. These motorized rheostats combine wirewound precision with AC and DC motor options, featuring slip clutch protection and panel mount designs. Available in multiple wattage ratings with customizable RPM options for high-power analog device automation.

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

Our Range of Products
Motorized Rheostats

Motorized Rheostats

  • Multiple Wattage Options
  • AC/DC Motor Configurations
  • Compact Panel Mount Design
100 watt with 115 VAC motor

100 watt with 115 VAC motor

  • 115 VAC Reversible Motor
  • Slip Clutch Protection
  • 1-15 RPM Options Available
50 watt with 115 VAC motor

50 watt with 115 VAC motor

  • 50W High Precision Control
  • CE Compliant for Export
  • Linear Taper Winding
50 watt with DC motor

50 watt with DC motor

  • 12 VDC Motor Operation
  • 1-2 RPM Low Speed Control
  • Wirewound Construction
25 watt with 115 VAC motor

25 watt with 115 VAC motor

  • Made in USA Quality
  • 3-Year Warranty Coverage
  • ±10% Tolerance Precision
25 watt with DC motor

25 watt with DC motor

  • 25W Compact Design
  • DC Motor Efficiency
  • Repair & Rebuild Service

Frequently Asked Questions

What wattage options are available for motorized rheostats?

We offer 25 watt, 50 watt, and 100 watt motorized rheostats with both AC and DC motor configurations to match your application requirements.

What RPM speeds can I specify for the motors?

How does the slip clutch protection work?

Can I customize the resistance value for my application?

What is the temperature rating for these rheostats?

Are these rheostats suitable for international use?

What warranty and 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 analog-driven equipment and high-wattage systems.

Process Control

Process Control

Reliable resistance adjustments for process control applications requiring smooth, proportional operation.

Equipment Manufacturing

Equipment Manufacturing

Integrated motorized rheostats for OEM equipment requiring convenient variable resistance settings.

High-Power Applications

High-Power Applications

Heavy-duty motorized rheostats for high-wattage analog devices requiring precise proportional 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 Engineers Choose On Line Controls, Inc.

44+ Years Manufacturing Excellence

Over four decades of proven expertise in precision control systems, delivering reliable motorized rheostats with three-year warranties and unlimited phone support for your critical applications.

USA-Made Precision Engineering

All motorized rheostats designed and manufactured in Shrewsbury, MA with strict quality standards, ensuring smooth, reliable operation over long service periods for demanding industrial environments.

Worldwide Technical Support

Direct worldwide sales with comprehensive technical support, repair services, and custom specification capabilities to meet your exact application requirements and ensure optimal performance.

Request a Quote for Custom Motorized Rheostat Specifications

Get expert guidance on selecting the right wattage, RPM, and motor type for your application. Our technical team responds within 24 hours with detailed specifications and pricing.

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