BEP Marine 778-ANL Pro Installer Fuse Holder, 35-300a. Providing high-capacity fusing, fast response and very high interrupt ratings (ANL up to 6,000 Amps, Class-T up to 20,000 Amps), these fuse holders are ideal for protecting today's demanding onboard power electronics technology including inverters and battery chargers. They also protect wiring from short circuits. Pro Installer fuse holders' durable construction allow fuses to run at maximum load. For use with 5/16" (8mm) or 3/8" (10mm) ANL fuses.