Through Bulkhead Terminal Blocks: Type - Through Bulkhead Terminal Block; Rating - Voltage - 600V; Rating - Amps - 30A; Wire Range - 30-10 AWG; Block Width - 8.1 mm; Number of Conductors - 2; Number of Levels - 1; Block Height - 21 mm; Block Length - 20 mm; Panel Thickness - 1-4 mm; Connection Type - External & Internal Screw; Connection Angle - Horizontal; Housing Material - Polyamide; Color - Gray; Temperature Rating - -60 to 130 deg C; Manufacturer Series - HDFK Series