... /day 4:CCC,CE,CB; 5:OEM GeneralYCHR17 series fuse switch-disconnector is a new product, it's rated insulation ... 350≤450Matched fuseSizeNT00NT1NT2NT3Rated current of matched fuse in 400V (breaking capacity )20,25,32,35,40,50,63,80,100 ... 630(≥100kA)Rated current of matched fuse in 690V (breaking capacity )20,25,32,35,40,50,63,80,100 ... 300,315 (≥50kA)315,355,400,425 (≥50kA) Fuse Switch Disconnector (YCHR17)