Telecom Protection Fuse 50 A Not Rated 170V DC TPN Series Nonindicating Fast Acting Body Style Cylindrical Rejection 100kA at 170V DC Fuse Size 3 in L x 13/16 in dia Length 3 in Diameter 13/16 in Width Not Applicable Depth Not Applicable Equivalent Brand and Series Bussmann TPN Littelfuse TLN Mersen TGN Equivalent Series TGN TLN TPN Body Material Melamine Single Element Color Code No Color Code Standards UL Recognized Guide JFHR2 FILE E56412