TE Connectivity 1SNA105051R2000 Terminal Block. ABB Terminal Block, Series: SNA, 1000 VAC, 32 A, 10 AWG Wire, 9.5 mm Wire Strip Length, Feed-Through Terminal, M4/6 Terminal, 6 mm Spacing, 0.5 to 0.8 N-m, DIN Rail Mount, Screw Clamp, -55 to 110 deg C, Polyamide, White, 1.75 in L x 0.238 in W x 2.18 in H. Additional Description: TEC -1SNA105051R2000 M4/6 WHITE 010505120. Catalog Description: - Flexibility: snap onto symmetrical and asymmetrical rails, - Many colors are available in addition to our generic grey to help you quickly identify any specific functions..