The 665T is a Power toggle switch. Max. current/voltage rating with resistive load : 10 A 30 VDC Decrease by 50 % for inductive load Initial contact resistance : 10 mΩ max. Insulation resistance : 1,000 MΩ min. at 500 VDC Dielectric strength : 2,500 Vrms 50 Hz min. between terminals 2,500 Vrms 50 Hz min. between terminals and frame Electrical life : 10,000 cycles at full load