CE Compliant

High Wattage Variable Resistors for Industrial

High wattage variable resistors designed for industrial automation and process control applications. These motorized rheostats combine precision resistance control with robust motor systems, offering 25W, 50W, and 100W options with AC and DC motor configurations for reliable performance in demanding industrial environments.

Our Range of Products

25 watt with 115 VAC motor

25W Precision Control
115 VAC Motor System
Efficient Compact Design

50 watt with DC motor

50W Precision Proportional Control
12 VDC Motor Operation
Compact Efficient Package

25 watt with DC motor

25W High Precision Control
12 VDC Motor System
Long Period Reliability

Motorized Rheostats

Multiple Wattage Options
AC/DC Motor Flexibility
Slip Clutch Protection

50 watt with 115 VAC motor

50W High Precision Control
115 VAC Reversible Motor
CE Compliant Design

100 watt with 115 VAC motor

100W High Precision Control
115 VAC Reversible Motor
Slip Clutch Protection

Frequently Asked Questions

What wattage options are available for motorized rheostats?

Available in 25W, 50W, and 100W configurations to meet various industrial power requirements and applications.

What motor types are offered with these variable resistors?

What is the tolerance specification for these rheostats?

How long is the warranty coverage?

Can these rheostats be panel mounted?

What protection is included for the rheostat components?

Are repair services available for these units?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Industrial Automation

Precise resistance control for automated manufacturing processes and equipment control systems.

Process Control

Variable resistance settings for process control applications requiring precise analog signal management.

Analog Equipment Control

High wattage motorized rheostats for automating analog-driven devices in industrial settings.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Rheostats for Sale | Variable Resistors & Power Controls

Professional motorized rheostats and variable resistors for industrial automation and process control. Our precision-engineered rheostats combine high-wattage capability with motorized control, featuring slip clutch protection and linear taper design for reliable operation in demanding applications.

Why Industrial Automation Engineers Choose On Line Controls, Inc.

44+ Years Manufacturing Excellence

Proven expertise since 1980 in precision control systems with Made in USA quality and reliability standards.

Precision Engineering & Quality

High-precision proportional controls with ±10% tolerance and slip clutch protection for demanding industrial applications.

Comprehensive Support & Warranty

Technical support, repair services, and 3-year warranty with unlimited phone support for complete peace of mind.

Get Expert Guidance on High Wattage Variable Resistors

Connect with our technical team for custom specifications and application support. Expert consultation available.

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

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