A 30HP, 480VAC motor requires a starting device. Which type of starting device is typically used for this motor?
- ADirect-on-line (DOL) starter
- BStar-delta starter
- Soft-start starter
- DReversing starter
Exam tip
Always select the appropriate starting device based on the motor's horsepower and starting requirements.
Why C is correct
The soft-start starter is typically used for motors that require smooth starting and reduced inrush current. It is suitable for motors up to 100HP, making it ideal for a 30HP motor.