TE Connectivity 1SNK505150R0000 Ground Terminal Block. ABB Ground Terminal Block, 1-Level 2-Position, Series: SNK, 1000 VAC, 32 A, 12 AWG Wire, 10.5 mm Wire Strip Length, 5.2 mm Spacing, DIN Rail Mounting, Screw Clamp Connection, -55 to 110 deg C, Polyamide, Green/Yellow, 47.4 mm L x 5.2 mm W x 59.5 mm H Dimensions. Additional Description: TEC -1SNK505150R0000 ZS4-PE GROUND TERMINAL BLOCK 1SNK505150R0000. Catalog Description: Improve the safety of your installation in the event of a short-circuit thanks to our screwless rail contact: - Rail contact non operator dependent, - Performances above the requirements of IEC 60947-7-2 terminal block standard, - Secured snap on or remove from the rail..