With the through-connection bridge, you can easily connect the connection terminals of the coupling modules of the M4/M6/M8 series without having to wire them individually. The through-connection bridge is 10-pin and available in a pitch of 11.5 mm. The attached end pieces make the comb back finger-safe. Surface mechanically polished, flame-retardant, self-extinguishing according to UL 94V-2