The MTA2-WNCQR with Tactile Switches Side Push Sealed Type 1.8*4.5 is a tact switch manufactured by Diptronics. The tact switch is a type of push button switch designed to activate a circuit when pressed. The switch body is constructed from a plastic material and features a side-push style switch with a sealed design. The switch features 4 contacts and a vertical actuation force of 200gf. It has a standard operating temperature range of -20°C to +70°C and is rated for a maximum operating voltage of 50VAC/DC and 1A electrical current. The switch has a standard electrical life of 50,000 cycles and a contact resistance of 0.1ohm max. The product has a UL, CUL, and VDE approved certification. It also comes with an IP67 rating for protection against water, dust, oil, and grease.