PowerFlex 4 and 40 inverters are common types of Allen-Bradley inverters with a capacity of 0.4kw to 11 kW (0.25HP-15 HP) of voltage 1P 220VAC or 3P 380VAC PowerFlex4M designed to meet the needs of The bridge has versatility for simple machines, applications like machine tools, fans, pumps and conveyors and production lines.