Independent Development. Own Design .Flexible Program Solution Spec Variety: DC24V 180W DC36V,240W DC48V,350W DC48V 450W DC60V,350W Technical parameter :Voltage: DC24V DC36V, DC48V,DC60VUnder-voltage protection: DC32V, DC42V, DC52VCurrent limit :≥15ASpeed adjustable range: from"0"to "100" percentEfficiency:≥83 percentUsed field:Industry Controller wire