Image is Representational - See Manufacturer Specs | MICRO SWITCH� Specialty Large Basic Switches: DT Series, Double Pole Double Throw (DPDT), 10 A 125/250 Vac, Pin Plunger, 3,3 to 5,6 N [12 to 20 oz] Higher Operating Force, 4-40 UNC Round Head Screw Termination with Lock Washers, Flexible Insulator, Mounting Holes will Accept Pins or Screws, UL, CSA, Military Part Number MS25008-1 Snap Action Switches are switch devices that are used to open or close an electrical circuit at a rapid speed. These devices are also known as micro switches and work with lever, pushbutton, and roller actuators. They are generally used in irrigation systems, semi-trailer trucks, timing devices, office equipment, medical equipment, valves, and test instruments.DT-2R-A7 Snap Action Switch from Honeywell is a standard basic micro switch. This Honeywell Switch features two independent Single Pole Double Throw circuits in a single housing. Both these circuits are activated by one actuator. The design of this Honeywell Snap Action Switch allows various wiring combinations, as well as mounting interchangeability with type Z switches.