Product pictures Product Overview: Emerson UNI1401 Parameter Specification Manufacturer Emerson Order Number UNI1401 Product Name Compact AC drive / variable frequency inverter Series / Family Unidrive (neighbouring codes include UNI1402, UNI1403, UNI1404, UNI1405) Application & Fault Scenarios Suitable for 400 V three-phase motors on fans, pumps, conveyors, packaging lines, textile machines, light machine tools and small test rigs needing adjustable speed and torque control.