Terminal Feed-Thru Blocks, With Internal Component: Type - Surge Suppressor Terminal Block; Component Rating - 300mA; Configuration/Wiring - Double Tier 4-Wire; Construction Style - IEC; Rating - Voltage - 24VDC; Rating - Amps - 300mA; Wire Range - 24-12 AWG; Model Type - TT-ST-M-2/2-24DC; Wire Terminal - Spring Clamp; Housing Material - Polyamide 6.6; Housing Finish - Black; Mounting - DIN Rail, 35mm; Temperature Rating - max - 85 deg C (185 deg F); Temperature Rating - min - -40 deg C (-40 deg F); Block Width - 0.24" (6.2mm); Block Height - 2.5" (63.5mm); Block Length - 4" (100mm); Additional Information - Package Qty: 10Pc; Manufacturer Series - TT Series