Motor starters

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bluecollar84

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When do you need to install a motor starter and heaters on a motor and when can you just install it on a breaker ? What determines this ?

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You never need a starter, but the motor always requires overload protection. In general if the motor does have built in overload protection, you need some type of external protection.
 
What about a 1.5 HP pool filter pump motor 12 amp with internal thermal protection?

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packersparky said:
No starter needed if it has internal thermal protection.
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It does not matter whether it has internal thermal protection or not. A starter is never required. However some means of overload protection of the motor is required and often this is supplied as part of a starter.
 
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