Quantum III DC Drive

The Quantum III series is a family of digital DC motor drives from Control Techniques (also branded Emerson). These drives control DC motor speed and torque by regulating armature and field voltage, using microprocessor-based digital regulation for precise performance.

The series includes both non-regenerative and regenerative models across a range of horsepower ratings, from roughly 10 HP up to 100 HP. Non-regenerative drives support dual voltage input of 220 or 480VAC, while regenerative models recover energy during motor deceleration or braking and are configurable for armature voltages up to 500VDC.

Common Applications

Quantum III drives are used in industrial equipment requiring accurate DC motor control, including:

  • Material handling systems
  • Machine tools and process equipment
  • Cranes, hoists, and elevators
  • Test stands
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Mfg. Mfg. Part Num. Description Prices
Control Techniques 9500-8602 Quantum III Regeneratve Drive 240/500VDC 38A, 10/20HP Repair: Call for price
Emerson 9500-8306 DC Drive Quantum III 50/100HP Non-Regenerative 220/480VAC Repair: $ 2,488.00
Control Techniques 9500-8605 Quantum III 30/60 HP Regenerative Drive Repair: $ 3,620.00
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