ABB Inverter, Cost savings

The ACS320 drive is specifically designed to meet the variable torque loads demanded by centrifugal fans and pumps. The result is maximum application uptime, reduced maintenance cost and higher energy savings. 
ACS310 is easy to select and easy to use. It is enough for most basic applications with no high overload demands. ACS310 is suitable for wide range of variable torque applications and simple machines.
Take smooth performance to the next level with the wide power range and functionality of ACS150. Available in both single and three phase supplies. Many functions are standard, such as PID control, a built-in brake chopper and EMC filter. An optional FlashDrop drive configuration tool makes configuring unpowered drives quick and easy.