Ferraz Shawmut USCC21-ATDR3 Ultra Safe Fuse Block is a two-pole fuse block rated for 30 A at 600 V. It ships with an ATDR3 fuse rated 3 A at 600 V. The USCC21-ATDR3 combines a two-pole design with a 3 A, 600 V ATDR3 fuse for circuit protection in electrical distribution and control installations.
