Looking for UPS

Hello can anyone tell me where I can find a rackmountable ups in black perferably with the following specifications 1)Input L6-20 208 V with 2+ L6-20 output or 1+ L6-30 2)Input L6-30 208 V with 2+ L6-20 or 1+ L6-30 output. Any sugesstions will be apreciated, thank

Glen