Adjustable Speed Drives

Adjustable speed drives are electrical control devices that change the operating speed of a motor. They vary the operating speed of the motor by adjusting the electrical frequency that is sent to the motor. Adjustable speed drives offer different rates for different kinds of machines, products, or processes.
The two main types are:
- Adjustable speed drives: these offer a select range of preset speeds
- Variable speed drives: these make it possible to change speed without steps over a range.
Both of these options allow precise speed control for your specific system and can provide significant energy savings and improved process control.
Browse below to get full details on many of the industry-leading adjustable speed drives offered by our member companies.
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Actuator with Integrated Servo Drive
The actuator features an integrated servo drive utilizing CANopen® communication. This evolutionary product eliminates the need for an external drive

Atlas® Ultra-compact Digital Amplifier
Atlas Digital Amplifiers are compact single-axis amplifiers that provide high-performance torque control for Brushless DC, DC Brush, and step motors.

Brushless DC Motors
Brushless DC motor systems combine compact yet powerful brushless DC motors and high performance drivers to offer excellent energy savings

Dold Standstill/Speed Monitoring Safety Relays
Industrial Safety Controls Inc
Safe standstill and speed monitoring - Safe sensorless standstill monitoring - Safe sensorless frequency monitoring

Emax Positioner/Drive
Industrial Indexing Systems, Inc
When in EMAX mode, one Emerald Drive can be programmed as a stand-alone combination position controller and drive for single-motor

Emerald Servo Drive
Industrial Indexing Systems, Inc
The Emerald servo drive is a certified SERCOS II drive, designed with widespread integration capabilities, allowing for integration with any

FM060-10-RM
The micro-sized FM060-10-RM FlexPro® drive with IMPACT™ architecture is an all-purpose digital servo drive for centralized or distributed control systems

H-825 Hexapod 6-Axis Stage
High precision 6-Axis Stages are essential for precision alignment and positioning A Hexapod 6-axis stage is based on parallel

Luminary Servo Drives
Industrial Indexing Systems, Inc
Luminary Series Servo Drives provide the OEM market with a low cost but high performance servo drive for use in