The Ferraz Shawmut A4J40 Fuse is a 40 Amp Class J, 600 Volt, Time Delay Fuse. It is UL and CSA listed and meets all the standards for a 600V circuit. This fuse is designed to provide short-circuit protection and has an interrupting rating of 200 kiloamperes. The fuse is designed to protect against overloads and has a nominal time delay of 10 seconds.
