Terminal Feed-Thru Blocks, With Internal Component: Type - Surge Suppressor Terminal Block; Component Rating - 12A; Configuration/Wiring - Double Tier 4-Wire; Construction Style - IEC; Rating - Voltage - 60VDC; Rating - Amps - 12A; Wire Range - 24-12 AWG; Model Type - TT-UKK5-M/60DC; Wire Terminal - Screw Clamp; Housing Material - Polyamide 6.6; Housing Finish - Black; Mounting - DIN Rail/G-Profile Rail; Temperature Rating - max - 80 deg C (176 deg F); Temperature Rating - min - -40 deg C (-40 deg F); Block Width - 0.24" (6.2mm); Block Height - 3.14" (80mm); Block Length - 2.67" (68mm); Additional Information - For Mounting on NS 32 or NS 35/7.5, Closed Housing; Manufacturer Series - TT Series