The HONEYWELL part V7-1Y39E9 is a MICRO SWITCH™ Miniature Basic Switch from the V7 Series. It is a single pole normally closed (SPNC) switch with a high rating of 20 A for 277 Vac applications. The switch features a pin plunger and has a maximum operating force of 65 g - 125 g (2.3 oz - 4.4 oz). It also has 2.9 mm (0.11 in) mounting holes and can operate within a wide temperature range of -40 °C to 85 °C (-40 °F to 185 °F). The switch utilizes a 6.35 mm x 0.81 mm (0.250 in x 0.032 in) quick connect spread termination for easy installation. It is UL and CSA approved, ensuring high quality and reliability.