The Honeywell AML26FBC2AA01R is a pressure-sensitive safety limit switch used in industrial applications. It is a snap-action switch with an adjustable thumb wheel for setting the actuation pressure. The switch provides a single-pole, double-throw (SPDT) with a normally open and normally closed contact that opens or closes in response to pressure. It is designed to be used with air and nonconductive fluids and is suitable for use in hazardous locations.