Bussmann OPTIMA™ Fuse Holder, Series: OPM-1038, 600 VDC, 30 A, 3 Poles, Class: CC, Fuse Holder Code: W, Box Lug, 18 to 14 AWG Wire, DIN Rail Mount, For Use With: LP-CC, KTK-R and FNQ-R Series Class CC Fuse, Thermoplastic, Gray, 3.6 in H x 1.76 in W x 3.74 in D