Littelfuse FBMOV Metal-Oxide Varistors (MOVs)

Littelfuse FBMOV Metal-Oxide Varistors (MOVs) offer quick response and lower inductance than most discreet solutions, resulting in improved clamping performance to fast overvoltage transients. These varistors are constructed using a 40kA varistor building block (MOV) with an integral thermally activated element designed to open in the event of overheating due to abnormal overvoltage, limited current conditions. The FBMOV devices feature a varistor series fuse that prevents the part from rupturing when subjected to high fault current (up to 200kA). Littelfuse FBMOV Metal-Oxide Varistors also provide an indicator lead that can be connected to monitoring circuitry and used to signal if the MOV has been disconnected.