With the through-connection bridge, you can easily connect the connection terminals A1 and/or A2 of the coupling modules of the F8 and F10 series by simply plugging them in, without having to wire them with individual wires. The through-connection bridge is 10-pin and available in a grid size of 11.5 mm., Surface hot-air tinned, lead-free, flame-retardant and self-extinguishing according to UL 94V-2