Product pictures Product Overview: Emerson SP2403 Parameter Specification Manufacturer Emerson Order Number SP2403 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 on packaging, printing, textile, machine-tool and winding drives requiring stable speed and precise torque control. Typical faults: no