Protection Devices Practice Test

Question: 1 / 400

What is the maximum horsepower that a manual motor starter is typically used for?

1/2 horsepower

1/3 horsepower

A manual motor starter is designed to protect smaller motors by providing an overload protection mechanism while enabling manual control of the motor's operation. The maximum horsepower rating for a typical manual motor starter often falls around 1 horsepower. This particular rating reflects common usage scenarios in residential and light commercial applications, where motors of this size are often employed.

Selection of 1/3 horsepower could be based on specific models or older equipment, but generally, manual motor starters can handle up to 1 horsepower. Options like 1/2 horsepower and 2 horsepower exceed the typical rating for standard manual motor starters in most applications. Understanding the ratings allows users to select appropriate starters for their motor sizes, ensuring functionality and safety.

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1 horsepower

2 horsepower

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