TeSys LS1 fuseholders are for use with TeSys D contactors. Meets the application needs for fusible starters. Fuseholder is DIN rail mounted. The 3 pole fuseholder is for Class CC or KTK-R fuses. The 30A fuse dimensions are 0.41 inches by 1.5 inches. The fuse holder is 3.50 inches tall, 1.77 inches wide and 2.69 inches deep. It weighs 0.66 lbs. Fuse holder is UL Listed and CSA certified.