Contact Voltage = 3 ... 12 VDC / Actuator Type = Plunger / Illumination = No / Contact Current = 50 mA / Mounting Type = SMD / Switch Colour = Black / Metallic / Width mm = 1.2 / Series = B3U / Length mm = 4 / Actuation Force N = 1.59 / Switching Function = Momentary Function / Height mm = 3.2 / Contact Configuration = 1NO