VLT
®
Soft Starter Pocket Guide 5
Soft starter selection requires information on the
intended application, the features required, and
the current rating of the associated motor.
For applications with extreme or unusual conditions, consult the
relevant Design Guide and/or your supplier.
For example:
High altitude installation (> 1000 m)•
High ambient temperatures (> 40˚ C)•
High and/or frequent operating overloads•
High start frequency•
Slip-ring motor operation•
Part speed operation•
Horizontal mounting of the starter•
Soft Starter Selection Guide
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