... ,3,4,5 Speed Piano switch,keyboard switch for Fan and bender, Juicer,Mixer,etc, Appliances Specifications 1)Contact Resistance ≤20mΩ 2)Insulation Resistance ... field etc. Household appliances 2,3,4,5 Speed Piano switch,keyboard switch for Fan and bender, Juicer,Mixer,etc, Appliances