Variable-Speed Controllers | McMaster-Carr

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523 Products

Electrical

Motor Speed Controls

Motor Speed Controls

Manage the speed of AC and DC motors

Potentiometers

Control speed, volume, and light intensity by varying electrical flow; also known as rheostats

Heating, Ventilation, and Air Conditioning

Ceiling Fan Speed Controls

Ceiling Fan Speed Controls

Convert single-speed ceiling fans to variable speed

Power Transmission

Electric Motors

Electric Motors

Keep machinery and equipment moving with AC or DC power

Stepper Motors

The motor shaft turns in small, equal increments for precise positioning

Servomotors

Create rotary motion with accurate positioning and fine control over speed and torque

Electric Gearmotors

Electric Gearmotors

A motor and speed reducer in one to slow speed and increase torque in AC- or DC- power applications

Stepper Gearmotors

Stepper Gearmotors

Stepper motor and gearbox in one for high torque in areas large motors won’t fit

Electric Actuators

Electric Actuators

Push and pull loads with more precise positioning than air and hydraulic cylinders

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)