Pack of 5 – 390V Metal Oxide Varistor Transient SuppressorAdditional Notes:* Sold in Packs of 5* Metal Oxide Varistor Transient Voltage Suppressor used to suppress spikes caused by inductive loads, lightning etc. The spike causes the MOV to change from a high impedance to low, clamping the spike.* P/N: 7D391K* Max Working Voltage: 250 Volt AC/320 Volt DC* Varistor Voltage: 350-429 Volt, 390 Volt Nominal @ 1mA* Energy: 25 Joules* Max Clamp Voltage: 650 Volt* Surge Amps: 1200 Amp 1 Time* Dimensions (Dia x Thickness): 7.8mm x <3mmMPJA37365 MI