Egis RT Fuse Block 18 Circuit Marine Accessory - Modular design can produce seven (7) unique configurations from 8028 & 8030 and reduce part numbers to stock for all build requirements. Blown Fuse LEDs speed correction of system faults & improve ability to remotely diagnose customer issues. Harsh Environment design with stainless steel self-locking hardware and optional weather-proof labels in standard or customized options. Bullet-proof Construction: Designed with high temperature materials and stainless steel self-locking hardware allow mounting anywhere on vehicle. Protects Branch Circuits by accepting ATO style fuses ranging from 1 through 40 Amps. Supports SAE Circuit Protection Standards for thermal/short circuit events.