tact switch 1)ROHS and W/O ROHS 2)UL,CE, ... VDE,and so on. 3)PA66, PA6,PBT,UL94V-O tact switch MATERIALSBASE: UL94V-0 PBT Thermoplastic, Color: BlackCOVER: UL94V-0 ... Temp: -40ºC to 85ºCELECTRICALElectrical Life: 2000 operations per switch 24VDC, 25mANon-Switching Rating: 100mA, 5000VDC.Switching rating: 25mA, ... .Insulation Resistance: (at 500VDC)1000m minDielectric Strength: 500VAC/1minute.. tact switch