The ML6-H1S12BVA is a tactile switch manufactured by Diptronics. It is a 6 mm, non-illuminated, surface mounted, push button, momentary switch. It is designed with a plunger and a stainless steel actuating plate, and has a dust tight rating and 50,000 cycle electrical life. The switch has a 4.9 mm travel and an operating force of 2.8 N, with a rating of 12 V DC, 0.1 A. It has a tolerance range of -40°C to + 85°C, and a storage temperature range of -40°C to +120°C.