2 Speed Motors
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2 Speed Motors Supplier UK – Dual Speed AC Motors for Industrial Machinery
2 speed motors are a practical choice for industrial machinery that needs two fixed operating speeds from one motor. This page helps you compare industrial 2 speed electric motor options by pole combination, speed output, motor power and related motor categories so you can shortlist the right replacement or new-build motor faster.
Our range includes dual speed AC motors for machinery that needs reliable high/low speed operation without using a variable speed drive. These motors are commonly used on fans, pumps, conveyors, mixers, handling equipment, processing machinery and other industrial systems where two defined speed settings are required.
Use the quick links below to browse 3 phase 2 speed motor options by pole configuration, compare suitable replacements and check related categories if you need a different specification. If you are replacing an existing two speed motor, we can help match the pole combination, kW rating, frame size, mounting type and speed range.
Shop 2 Speed Motors by Pole Combination
Browse our 2 speed motor range by pole configuration to compare speed output, torque behaviour, application fit and replacement suitability. Each category is organised to help you quickly find the closest dual-speed motor for your machine.
Compare Alternative Motor Control Options
Many buyers compare 2 speed motors with inverter-driven motor setups, standard AC motors and gearbox assemblies depending on the machine speed, torque and control requirements. A dual speed motor is ideal when you only need two fixed speeds, while an inverter drive is better when you need fully adjustable speed, ramping or programmable control.
Helpful Tools & Compatibility Links
Use these tools to check motor duty, output speed, gearbox matching and torque requirements before choosing a replacement 2 speed AC motor.
Service Factor Calculator
Gear Ratio & Speed Calculator
Output Torque Calculator
Required Torque Calculator
2 Speed Motors FAQs
What are 2 speed motors best suited to?
2 speed motors are commonly used on fans, pumps, conveyors, mixers, handling equipment and industrial machinery where two fixed running speeds are required without using a variable speed drive. They are especially useful when a machine needs simple high/low speed operation from one motor.
What is a 2 speed electric motor?
A 2 speed electric motor is designed to run at two different fixed speeds. This is usually achieved through different pole combinations within the motor design, allowing one motor to provide two operating speeds without needing a separate motor or fully variable speed control.
Are 2 speed motors the same as dual speed motors?
Yes. 2 speed motors, two speed motors and dual speed motors usually refer to the same type of motor: an electric motor designed to operate at two fixed speeds. The correct option depends on the pole combination, kW rating, voltage, frame size and mounting type.
What is the difference between 2/4, 2/8, 4/6 and 4/8 pole 2 speed motors?
The pole combination controls the two available motor speeds. A 2/4 pole motor gives a high and medium speed combination, while 2/8, 4/6 and 4/8 pole motors provide different speed ratios for applications that need slower running, smoother operation or closer matching to a gearbox or machine duty.
Should I choose a 2 speed motor or an inverter drive?
Choose a 2 speed motor if your machine only needs two fixed speeds and a simple switching arrangement. Choose an inverter drive if you need fully adjustable speed control, ramping, programmable settings or more precise process control.
Can 2 speed motors be used with gearboxes?
Yes. 2 speed motors are often paired with industrial gearboxes where the application needs two mechanical output speeds. Always check the motor power, frame size, mounting type, speed range and gearbox input requirements before final selection.
How do I choose the right 2 speed 3 phase motor?
Choose the correct 2 speed 3 phase motor based on the required pole combination, motor power, voltage, frame size, mounting type, duty cycle, load requirements and whether the application needs constant torque or variable torque performance.
What is a 2 speed induction motor?
A 2 speed induction motor is an AC motor designed to provide two fixed speeds for industrial applications. It is commonly used where the machine does not need full variable speed control but does need two repeatable operating speeds.
Do you offer help with replacements and cross-references?
Yes. If you are replacing an existing two speed 3 phase motor, send us the motor nameplate, pole combination, kW ratings, speeds, voltage, frame size, mounting type and application details and we will help identify the most suitable replacement.
