... many countries and approved by the RHOS. Electrical Keyboard Switch for Range hood,Fan,Stirrer,coffee machine,etc,home ... Resistance ≥100MΩ ,at 500 VDC 3)Dielectric Strength 1000VAC/ 1minute 4)Electrical Life ≥10000 cycles (SEMKO) ≥6000 cycles (UL)5 ... and the electromotional instruments field etc. Household appliance Keyboard Switch,piano switch for Range hood,Fan,Stirrer,coffee machine,etc,home ...