Single-phase frequency inverters need a power supply of 230 VAC and the output to the fan is in three phases by 230 VAC. Power of these frequency inverters from 0,2 kW till 2,2 kW. These, IP20 protection frequency inverters have a standard housing that reliably protects against moisture and dust. We provide two producers CANWORLD and EURA DRIVES frequency inverters. CANWORLD single-phase frequency inverters have only EMI filters, but as an advantage, you could take out the LCD display and install it in another place. EURA DRIVES single phase frequency inverters have integrated EMC filter.