The Bussmann JJN-50 Class T fast-acting fuse provides 50 A protection for circuits up to 300 VAC or 160 VDC, in a compact cylindrical package. As part of the TRON fast-acting JJN series, it is a non-indicating fuse designed for rapid interruption in low- and mid-power protection schemes. The body measures about 0.56 inches in diameter and 0.88 inches long (roughly 14.2 mm by 22.4 mm), a size that corresponds to a 7/8-inch length by 9/16-inch diameter format suitable for standard fuse blocks. This model is listed as a Bussmann JJN-50, a 50 A, 300 V AC / 160 V DC Class-T fuse used in general protection applications in electronics and power equipment.
