Best Variable Speed Motor

DEWALT Router, Variable Speed, Fixed Base, 2-1/4 HP (DW618K) , Yellow

2-1/4 horsepower, 12-amp electronic variable-speed motor provides power to rout smoothly through toughest hardwoods.
Electronic variable speed with full feedback control for constant speed under load from 8,000-24,000 RPM.
Micro-fine depth adjustment ring provides precise depth adjustments in 1/64-inch increments and adjusts vertically.
Adjustable, tool-free steel motor cam lock makes depth adjustment and base changes quick and solid-locking.
Quick release motor latches for fast and easy motor pack removal for bit and base changes.

Powerful 13 amp motor delivers more output and variable (2, 800 - 10, 500) RPM.
Sass technology is a mechanical clutch system that helps prevent motor and gear damage by allowing the drive shaft to slip if the wheel is forced to stop.
Variable speed control dial enables user to match the speed to the application.
Constant speed control automatically applies additional power to the motor to maintain speed under load.
Soft start suppresses start-up reaction for smooth start-ups and longer gear life.

2-1/4 HP (maximum motor HP), 12.0 Amp electronic variable speed motor provides the power to rout smoothly through the toughest hardwoods.
Electronic variable speed with full feedback control for constant speed under load from 8,000-24,000 rpm and soft start to reduce start-up torque for enhanced control.
Micro-fine depth adjustment ring provides precise depth adjustments in 1/64-inch increments and adjusts vertically for a constant switch/cordset location.
Adjustable, tool-free steel motor cam lock makes depth adjustment and base changes quick and solid-locking.
Quick release motor latches for fast and easy motor pack removal for bit and base changes.

SAVE YOUR MONEY - Reduced operating costs, variable speed pool pump can save you up to 80% on your electricity bill compared to single speed pumps, and owns ENERGY STAR certified. 230V, 50/60 HZ, 1.5HP..
WITHIN FILTER BASKET & TIMER - Variable speed pool pump is suitable for inground pools, high flow rate, and strong power. Equipped with a filter basket and digital control panel to keep performance high. Besides, built-in timer and can customize the running time and speed..
FREEZE PROTECTION FUNCTION - When variable speed pool pump sensor detects that the external temperature reaches near freezing temps. The protection is started to prevent water flow from freezing the pipeline and prolong the service life of the equipment. *Please note: factory default is off, please enable it manually..
TEFC MOTOR - Designed with a quiet TEFC motor for energy-efficient which has a cooling fan that can dissipate heat quickly to ensure the motor's smooth operation and reduce noise generation..
2-YEAR USA WARRANTY & GREAT CUSTOMER SERVICE - If you have any problem with this Variable spe....

Makita-built variable 2-speed Brushless motor delivers 0-2, 300 (low) & 0-3, 000 (high) strokes per minute and a 1-1/4" Stroke length for faster cutting.
"Tool-less" Blade change system allows for faster blade installation and removal for increased productivity.
Variable speed trigger for added convenience.
BL Brushless motor delivers 1,500 inch pounds Of max torque.
Variable speed (0 to 3,400 RPM & 0 to 3,600 IPM) for a wide range of fastening applications.
The BL Brushless motor eliminates carbon brushes, enabling the BL motor to run cooler and more efficiently for longer life.

Controlled Startup: The Dremel Multi-Max 2.5 Amp Quick-Lock Oscillating Tool Kit features a 2.5 Amp motor that can deliver variable speeds of 10000 - 21000 oscillations per minute. It has a separate speed adjustment, on/off switches, and a soft start feature for a more controlled startup.
Quick-Change Accessory: The Quick-change patented accessory interface eliminates the need for a wrench while making accessory changing simple.
2.5 Amp Motor: Featuring a high-performance 2.5 Amp motor that is 65 percent more powerful than its predecessor, making it capable of tackling the toughest applications.
Electronic Feedback: The MM40-DR-RT features a soft start and electronic feedback for consistent performance in demanding materials and applications.
Variable Speed Performance: The tool also features variable speed performance with 10000 - 21000 OPM for optimal precision and control combined with smooth operation.

2-1/4 HP (maximum motor HP), 12.0 Amp electronic variable speed motor provides the power to rout smoothly through the toughest hardwoods.
Electronic variable speed with full feedback control for constant speed under load from 8,000-24,000 rpm and soft start to reduce start-up torque for enhanced control.
Micro-fine depth adjustment ring provides precise depth adjustments in 1/64-inch increments and adjusts vertically for a constant switch/cordset location.
Adjustable, tool-free steel motor cam lock makes depth adjustment and base changes quick and solid-locking.
Quick release motor latches for fast and easy motor pack removal for bit and base changes.

Powerful 7.8 amp motor delivers more output and variable (180 - 790) RPM.
7/32" (5.5mm) orbit diameter provides a swirl-free finish.
Conveniently located variable speed control dial (0 - 6, 800 OPM) enables the operator to match the speed to the application.
Electronic controller provides constant speed control which automatically applies additional power to the motor to maintain speed under load.
Electronic controller provides soft start which is designed to suppress start-up reaction for smooth start-ups and longer gear life.

Corrosion-resistant with OSHA compliant wire guards.
Variable speed functionality with the purchase of the iLIVING ILG8SFSC speed controller. Speed controller sold separately.
12 inch variable speed shutter exhaust fan with automatic Shutters.
120 Volts,1/20 HP,0.55 amp,1680 rpm,800 CFM ,variable speed functionality requires the purchase of the iLiving speed controller”.
UL listed with speed controllable, permanently lubricated motor.