APC Smart-UPS SRT 5000VA / 4250W 3U Rack-mountable Battery Backup UPS with 2U 208V to 120V Step-Down Transformer - AC 208V - RJ-45 10/100 Base-T - RJ-45 Serial - Smart-Slot - USB - 1x NEMA L6-30R - 2x NEMA L6-20R - 12x NEMA 5-20R (SRT5KRMXLT-5KTF)