Terminal Blocks, Multi-Position Blocks and Strips: Type - Terminal Block; Number of Rows - Double Row; Poles - 3P; Rating - Voltage - 600V; Rating - Amps - 30A; Terminal Type - Screw (for use with ring terminal); Base Style - Mounting - C-Rail Mount; Center Spacing - 0.394" (10 mm); Housing Finish - White; Operating Temperature - 105 deg C (221 deg F) Max.; Length - in - 1.32"; Length - mm - 33.52 mm; Manufacturer Series - NSS Series