The SVA-2040 is a discontinued servo drive from Automation Direct, designed for 100W, 200W, and 400W low inertia systems. It operates at 230V AC with both single-phase and three-phase power options, featuring an RS-232/RS-485/RS-422 (IEEE1394) port and Modbus compatibility. The unit is rated at 400W power output with IP20 protection, and configuration software is available for free download.