Applying Single-Phase Power to the iS7 Drive

Applying Single-Phase Power to the iS7 Drive

​The iS7 series Drive is UL listed (File E124949) to run off of single phase power, up to 150HP VT. An approximate 50% derate needs to be applied when sizing the iS7 for single phase input applications. Reference to the below table for drive sizing and selection.

Single Phase Input Specifications
Take note of the higher input amp ratings as this will affect input wire gauge and branch circuit protection sizing.


Wiring

And make sure that LSE AC Drive parameter DR.14 is set to correct HP/KW of motor applied in your application.