Camden door controls CM-250 series push switches are light-duty, ADA-compliant door controls. the 1 3/ 4 " x 4 1/ 2 " faceplates are stainless steel, and the assembly is designed for easy installation directly in the door jamb (or use optional surface box). the spdt switches are UL/ CSA approved, and rated 15 amps @ 30 vdc.