LS45M42D11 is a 40 mm wide, standard reinforced Limit Switch made of zinc alloy material (Zamak), with 4 mounting holes at the top and bottom, 1 1/2'' NPT cable entry on the bottom, steel roller lever (Ø22 mm) actuator and 1 N.O + 1 N.C slow action (Zb type), overlapping (late closing) contacts