Technical data (UL) rated Voltage: 600V rate current: 20A conductor cross-section, solid (AWG): 22-12 conductor cross-section, flexible (AWG): 22-12 rated impulse withstand Voltage: 6KV torque (n-m): 0.4 screw: M2.5 wire strip length: 9-11mm insulating Material: PA t x h x w (mm): 5.1 x 39.6 x 40.5 (individual blocks) DIN rail (mm): 35, 32 jumper/bridge: press-fit/insertion. This Kit includes 20 DK2.5N Dinkle terminal blocks, 4 SS2 end brackets, 2 DK4NC end covers, 2 DSS2.5N-10P press-fit jumpers, 2 DK4N-PE ground blocks, 2 DK2.5NC-PE ground block covers, and an 8 inch piece of aluminum RoHS rail.