Product pictures Product Overview: Emerson SP1403 Parameter Specification Manufacturer Emerson Order Number SP1403 Product Name General-purpose AC frequency inverter / variable frequency drive Series / Family Commander SK series (neighbouring frames SKA, SKC, SKD and higher) Application & Fault Scenarios Suitable for 400V three-phase motors around 2.2kW on winding, packaging, printing and machine-tool auxiliary drives. Typical faults: no display on power-up, overcurrent