Sierra FS40820 408 Series Fuse Block - 12 Gang w Cover The Sierra 408 Series Fuse Block accepts ATPATCATO blade-style fuses up to 30 Amps. Includes a ABYCUSCG compliant transparent cover with recessed area for labels. Features Includes transparent cover 60 Pc decal set included Storage for 2 spare fuses LED indication of blown fuse Specifications 12 Gang Max Voltage Rating 32VDC Rating per Circuit 30A Max Cumulative Rating per block 100A Terminal Stud Size M5 Screw Size M4 Overall Size 3 38W x 5