Smart-UPS RT 208V 3/5/6KVA Backplate Kit with (2) 6-20R and (1) L6-30
By APC

Power Backplate - Height: 7.5" - Width: 4.8" - Depth: 2.0" - Receptacles: 1 x NEMA L6-30R Female - 2 x NEMA 6-20R Female - Voltage Rating: 208 V AC - Receptacle Type: NEMA L6-30R - NEMA 6-20R - - ... 

Smart-UPS RT 5/6KVA 208V PDU Kit with 3 NEMA L6-20
By APC

Power Backplate - Height: 7.5" - Width: 4.8" - Depth: 2.0" - Receptacles: 3 x NEMA L6-20R - Voltage Rating: 208 V AC - Receptacle Type: NEMA L6-20R - - ... 

Smart-UPS RT 5/6KVA Input/ Output Hardwire Kit
By APC

Power Backplate - Height: 7.5" - Width: 4.8" - Depth: 2.0" - Receptacles: 1 x Hard Wire 4-wire (2PH+N+G) - Voltage Rating: 208 V AC - Receptacle Type: Hard Wire 4-wire (2PH+N+G) - - ...