... --30Dielectric strength50/60Hz for 1 min, between terminals of the same polarity 2,000VAC50/60Hz for 1 min, between current-carrying metal ... -current-carrying metal part2,000VACRated frequency50/60 HzMechanical Life (operations)2,000,000 minElectrical Life (operations)500,000 min.Operating temperature25 ...