Blade Fuses MAXI Blade Fuses Rated 58V The MAXI style fuse for use in 42V Systems. Same Time-Current characteristic as the 32V MAXI fuse using Diffusion Pill Technology to provide predictable time delay characteristics and low heat dissipation. Fits into standard MAXI fuse sockets. Has a rejection feature to prevent fuses with lower voltage rating from being wrongfully inserted into the circuit. Current rating 20A - 80A 58 VDC max. Specifications Voltage Rating: 58 VDC Interrupting Rating: 1000A 58 VDC *Recommended Environmental Temperature: -40C to +125C MAXI Blade Fuses Terminals Material: Silver plated zinc alloy Housing Material: PA66 (U.L. 94 Flammability rating V2) Net Weight Per Fuse: 5.75% gr Complies with: SAE J 1888, SAE 2576 ISO 8820-3:2002(E) *Silver plating allows up to 150C at the terminal interface. Time-Current Ordering Information Time-Current Characteristics Characteristic Curves Part Number Rating Package Size % of Rating Opening Time Min / Max (s) 0999xxx.ZXN 20 - 80 1200 110 360,000 / 135 60 / 1,800 200 2 / 60 350 0.2 / 7 600 0.04 / 1 Ratings 2 Current Housing Test Cable Typ. Voltage Typ. Cold Typ. I t Part Number 2 2 Rating (A) Material Color Size (mm ) Drop (mV) Resistance (m) (A s) 0999020. 20 4 76 3.10 1,100 0999025. 25 4 75 2.39 2,100 0999030. 30 4 77 1.95 4,070 0999035. 35 4 75 1.71 6,00 0999040. 40 4 75 1.42 8,500 0999050. 50 6 73 1.10 11,300 0999060. 60 6 77 0.89 15,300 0999070. 70 10 61 0.64 21,200 0999080. 80 10 62 0.54 43,600 REV07272021 Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse . littelfuse.com 18Blade Fuses MAXI Blade Fuses Rated 58V Dimensions Temperature Table Dimensions in mm for reference only. See outline drawing for dimensions and tolerances. max. allowed current load A at ambient temperature (typical derating) -40C 0C 20C 65C 85C 110C 125C 8.9 20 20 20 20 18 15 13 20A 25A 25 25 25 23 21 18 15 29.2 30 30 30 28 25 21 18 30A 35A 35 35 35 30 27 23 19 40 40 40 34 30 25 22 40A 50 50 50 42 38 31 27 21.6 50A 60 60 56 47 42 35 31 60A 70 70 68 57 51 43 37 70A 2.5 80 78 74 62 56 47 40 80A 12.7 0.8 8 Time-Current Characteristics Typical Derating of Fuse Melting Element Temperature Security Margin is 20% % of Rating Opening Time Min / Max (s) Please Contact Littelfuse for Details Regarding Derating Test Set-Up. 110 360,000 / 135 60 / 1,800 20A 80 25A 200 2 / 60 30A 350 0.2 / 7 70 35A 600 0.04 / 1 40A Max Recommended 50A 60 Environmental 60A Temperature 70A 50 80A 40 30 20 10 0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 Ambient Temperature C Derating curves may change depending on the final condition of the application (terminals characteristics, wire size etc..). Please ask Littelfuse for more information. REV07272021 Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse . littelfuse.com 19 Max. Allowed Current Load A