Solectria Renewables PVI Residential Grid-Tied Inverters are available in 3000 (2900), 4000 (3900), 5000 (4900) and 5300 models. They all have CEC efficiency ratings of 96% at 240 VAC and include an integrated fused DC (Array) input board for 3 or 4 circuits and a DC disconnect. Field configurable for 208 VAC. Includes free PC software and both RS232 and RS485 communication ports. 10 year warranty. Made in Taiwan.