Product pictures Product Overview: Emerson SP1406 Parameter Specification Manufacturer Emerson Order Number SP1406 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 5.5kW on cranes, hoists, centrifuges, test benches and winding drives requiring frequent regenerative braking. Typical faults: no