What is the difference between integral and fractional horsepower starters?

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SUMMARY

The discussion clarifies the distinction between integral and fractional horsepower starters, specifically in the context of Schneider Electric's products. Integral horsepower starters are designed for motors exceeding one horsepower, while fractional horsepower starters cater to motors with less than one horsepower, such as the .14kW motor mentioned. Understanding this difference is crucial for selecting the appropriate starter for specific motor applications.

PREREQUISITES
  • Understanding of motor power ratings (HP and kW)
  • Familiarity with Schneider Electric's product line
  • Basic knowledge of electrical starters and their functions
  • Awareness of single-phase motor characteristics
NEXT STEPS
  • Research Schneider Electric's Type F fractional horsepower starters
  • Explore the specifications of Type M and T integral horsepower starters
  • Learn about the applications of fractional vs. integral horsepower motors
  • Investigate the installation requirements for different types of motor starters
USEFUL FOR

Electrical engineers, motor control specialists, and anyone involved in selecting or installing motor starters for single-phase motors.

lavalin
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Integral HP (horsepower) motors have more than one HP. Fractional HP motors have less than one HP.
Bob S
 

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