I'm looking at the 2017 NEC 240.67 and trying to figure out what is available to satisfy this requirement along with the other requirements for PV systems. Currently there is no fused disconnect switch that can do this and has a visible blade disconnect. It will soon be 2020, any ideas? This is going to put a real crimp in PV system interconnections over 800kW.
I'm thinking maybe an "electronic" fuse that will replace the standard fuse in a bladed disconnect but so far I have not found anything.
I'm thinking maybe an "electronic" fuse that will replace the standard fuse in a bladed disconnect but so far I have not found anything.