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AC Motor Controls

Most AC motors are started through a standardized control system designed to protect the motor, the circuit, and operating personnel. This training tool focuses on ladder diagrams, wiring, and troubleshooting techniques for the most common motor used in industry, the AC induction motor. New interactive exercises and quizzes help you hone your troubleshooting skills.

Time Period Users Price
Web Based
Download Life of Computer
Installer Disc N/A
Each purchase allows a single user license
All sales are final. Prices subject to change.
System Requirements

  • Purpose of a Motor Starter
  • Components of a Motor Control Circuit
  • NEMA Starter Size Numbering System
  • Various Motor Starting Requirements
    - Single Speed, Multiple Speed, Reversing, Reduced Voltage, etc.
Common Motor Circuits
  • Symbols for Control Components
  • Manual Starters
  • Magnetic Motor Starter Operation
  • Standard Two and Three Wire Control
  • Wiring Diagrams vs. Ladder Diagrams
  • Troubleshooting Using Ladder Diagrams
Variations on the Motor Control Circuit
  • 120-Volt Control vs. 480/240-Volt Control
  • Control Transformers
  • Proper Fusing and Grounding
  • Multiple Start/Stop Stations
  • Single Phase Motor Starting
  • Time Delay and Latching Relays
  • Pilot Devices - Pressure, Temperature, Level, and Limit Switches
Power Circuits
  • The Combination Motor Starters
  • Checking Power Fuses and Breakers
Wiring Up a Motor Starter

Troubleshooting Control Circuits
AC Motor Controls

Related Products

Three Phase AC Motors
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Fuses, Circuit Breakers, and Overloads
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    Reference Tool

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Milford, CT 06460
phone: 203-783-1582
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