Voltage protector Technical Specification: 1.Load current: 10 Amp 2.Max load (1 sec):20 Amp 3.Switch on delay: 3-5min 4.Drop reaction delay: 1sec 5.Mains frequency: 50HZ 6.Switch off will be when: -voltage over 255V voltage under 185V -mains fail 0.02 sec -frequency under 46HZ Dimension: 140*70*35mm Material: ABS or PC Packing: 1pcs/box, 200box/ctn