Terminal Blocks, Multi-Position Blocks and Strips: Type - Terminal Block, Barrier Style; Number of Rows - Double Row; Poles - 2P; Rating - Voltage - 300V; Rating - Amps - 30A; Terminal Capacity-Size - 8 AWG; Terminal Type - Screw; Base Style - Mounting - Surface Mount; Center Spacing - 0.562" (14.28 mm); Material - Terminal - Steel Sems philslot, zinc-plated; Material - Housing - Thermoplastic; Housing Finish - Black; Operating Temperature - -40 to 130 deg C (-40 to 266 deg F); Length - in - 2.13"; Length - mm - 54.1 mm; Manufacturer Series - TB300 Series