Terminal Feed-Thru Blocks, Standard: Type - Grounding Terminal Block; Configuration/Wiring - Ground Block 4-Wire; Construction Style - IEC; Wire Range - 28-12 AWG; Model Type - 2774211; Wire Terminal - Screw Clamp; Housing Material - Polyamide 6.6; Housing Finish - Green/Yellow; Mounting - DIN Rail, 35mm or C Rail, 32mm; Temperature Rating - max - 125 deg C (257 deg F); Block Width - mm - 6.2 mm; Block Width - in - 0.24"; Block Length - in/mm - 2.20/56; Manufacturer Series - UK Series