Littelfuses' 328 and 688 series fuses offer protection superior to that of circuit breakers, providing short-circuit and overload protection and ensuring long-term reliability for outdoor applications that operate at high-surge-exposure levels. They also reduce the level of nuisance fuse tripping caused by indirect lightning surges. The 328 series fuse is optimized for outdoor LED lighting applications to protect surge protection devices (SPDs) and luminaries. Both series can be used in power distribution equipment used in wireless telecommunication base transceiver stations (BTS).