Speed Controls | McMaster-Carr

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1,111 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

Speed-Monitoring Switches

Speed-Monitoring Switches

Avoid downtime and machinery damage by detecting slowdowns in drive trains and conveyors

Motor Drives

Receive signals from a motor controller and deliver them to your stepper motor

Motor Controllers

Motor Controllers

Store and run programs and send signals to a driver to control the motion of a stepper motor

Power Transmission

Air Flow Control Valves

Air Flow Control Valves

Control the speed of air-powered equipment by adjusting the volume of airflow entering or exiting

Speed Limiters

Control the speed of movement for attached components such as doors, panels, and drill presses

Electric Motors

Electric Motors

Keep machinery and equipment moving with AC or DC power

Stepper Motors

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

Brakes

Control how much and how quickly your drive system slows down

Clutch/Brakes

Control when to transmit power with a clutch and when to hold a load in place with a brake

Torque Limiters

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

Electric Actuators

Electric Actuators

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

Heating, Ventilation, and Air Conditioning

Ceiling Fan Speed Controls

Ceiling Fan Speed Controls

Convert single-speed ceiling fans to variable speed

Fluid Handling

Air-Exhaust Valves

Air-Exhaust Valves

Vent or divert exhaust to speed up the operation of air cylinders, actuators, and other equipment

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