Zero-Max Adjustable Speed Drives are a proven method for changing operating speeds. They eliminate the need for expensive AC/DC drives or variable pitch belt drives. Output speed is infinitely adjustable from 0 to 400 rpm with an 1800 rpm input speed. (read more)

Adjustable Speed Drives are used in any application in which there is mechanical equipment powered by motors; the drives provide extremely precise electrical motor control, so that motor speeds can be ramped up and down, and maintained, at speeds required; doing so utilizes only the energy required, rather than having a motor run at constant (fixed) speed and utilizing an excess of energy. (read more)

A general purpose, economical variable speed control for small DC and universal motor applications featuring: dual input voltages of 12/24 VAC or 120/240 VAC with DC output current rating of 2 Amps, adjustable trimpot settings, and quick connect terminal pins. The 15 Series is available in two compa... (read more)

The ABB ACS550 AC drive combines a sophisti-cated microprocessor with an advanced IGBT power switching technology to deliver V/Hz, Closed Loop Flux Vector, and Sensorless Vector control of AC motors.

(New fast-configuration FlashDrop tool, control-panel assistants, and hardware upgrades enhance extremely easy start-up and use of ABB's ACS550 General Purpose Drives) (read more)

Baldor is proud to announce a new series of Brushless Adjustable Speed Controls and Motors, designed to provide customers the advantages and benefits of brushless technology for adjustable speed applications, ie less maintenance, quieter operation, more efficient and higher torques in smaller packages. (read more)

Hitachi L200 drives are full-featured inverters in a compact package. Their cutting-edge functions include side-by-side mounting, built-in timing logic and analog input math (PLC) functions, DIP-switch hand-off-ratio and RS485 Modbus RTU communication interface. An optional NEMA4X keypad allows for panel mounting. (read more)

The F7 Drive: This AC drive is the Industrial Workhorse that can handle every conventional application found within the typical industrial plant from simple variable torque pumping to sophisticated networked material handling. (read more)

Candy Differential is an infinitely adjustable gearbox. Used to manually or automatically control registration, timing and phasing applications. Standard foot mount unit with dial indicator, lock and key, Control knob. With control shaft held stationary, the input to output shaft rotate in a 1:1, counter-rotating relationship. The control shaft ratio is 36:1 (read more)

- AC variable freqency drives for speed control applications. High quality products at low prices. DURApulse series sensorless vector AC drives are built on the simplicity & flexibility of the GS1 & GS2 series drives. 1 - 100 horsepower models offer sensorless vector & closed loop control, autotuning, 175% starting torque, & 150% rate current for one minute. (read more)

Dart's top of the line DC speed control is reliable, versatile and economical. Rated to 3 horsepower, it provides many standard features typically offered only as expensive add-on options. Additionally, several options boards are available that quickly, easily and economically extend the 500 Series' capabilities to meet specific application requirements. (read more)