The CYK4 from Altech is disconnect (switch, knife) terminal block with 2 positions (1 level), 6mm terminal width and screw termination. This terminal block has 28A 1000V IEC / 26A 600V UL rating and can accept wires range from 10 to 24 AWG (0.2 to 4mm²). The CYK4 has gray polyamide (PA66) / nylon 6/6 insulation and 10mm stripping length.