Cartridge Fuses JCASE Cartridge Fuses Rated 32V The JCASE is a cartridge style fuse with female terminal design. JCASE provides both increased time delay and low voltage drop to protect high current circuits. JCASE has the ability to handle inrush currents. Specifications Voltage Rating: 32 VDC JCASE Interrupting Rating: 1000A 32 VDC Cartridge Fuses Recommended Environmental Temperature: -40C to + 125C Housing Material: PA66-GF13 (U.L. 94 Flammability rating HB) Housing Material (60A): PA66-GF13HS (U.L. 94 Flammability rating HB) Housing Material (SHUNT): PA66 Cover Material: PC (U.L. 94 Flammability rating HB) 3.8g 10% New Weight Per Fuse: 53N max. (12 lb.) Insertion Force: 9N min. (2 lb.) Extraction Force: SAE 2741, ISO 8820-4 Complies with: JCASE Shunt Ordering Information Time-Current Characteristics Part Number Rating Package Size % of Rating Opening Time Min / Max (s) Time-Current 0495xxx.ZXA 20 - 60 2200 110 360,000 / Characteristic Curves 0495xxx.UXA 20 - 60 500 135 60 / 1800 0495xxx.TXA 20 - 60 10 200 4 / 60 1000 0495900.Z SHUNT 2200 350 0.2 / 7 SHUNT 0495900.X 1 600 0.04 / 1 100 Ratings 10 2 Part Current Rating Housing Test Cable Typ. Voltage Typ. Cold Typ. I t 2 Number (A) Material Color Size (mm ) Drop (mV) Resistance (m) (As) 0495020 20 4 106 4.29 1,700 1 0495025 25 4 101 3.28 3,200 0495030 30 4 91 2.12 1,500 0495040 40 4 87 1.30 3,700 0.1 0495050 50 6 88 0.99 8,800 0495060 60 6 87 0.76 19,500 0495900. SHUNT - - - - 0.01 10 100 1000 10000 2 The typical I t is an average value calculated from the breaking capacity tests by using the melting time before the arcing occurs. REV 1 1 042021 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 21 20A 25A 30A 40A 50A 60A Cartridge Fuses JCASE Cartridge Fuses Rated 32V Dimensions Dimensions in mm for reference only. See outline drawing for dimensions and tolerances. 12 14.1 12 12 14.1 14.1 0.5 0.4 5.5 0.5 0.5 0.4 0.4 5.5 5.5 0.8 27 24.4 0.8 0.8 6.3 18.7 27 27 12.6 MIN 24.4 24.4 10.5 MIN 6.3 6.3 18.7 18.7 0.4 12.6 MIN 12.6 MIN 10.5 MIN 10.5 MIN 0.4 0.4 17.8 MAX 10 10 12.1 17.8 MAX 17.8 MAX 10 10 10 10 12.1 12.1 10.3 MIN 5.5 12.4 MIN 10.3 MIN 10.3 MIN 5.5 5.5 12.4 MIN 12.4 MIN RECOMMENDED MATING CAVITY 6.7 6.7 6.7 1.0 1.0 1.0 Temperature Table Typical Derating of Fuse Melting Element Temperature Security Margin is 20% Please contact Littelfuse for Details Regarding Derating Test Set-Up. max. allowed current load A at ambient temperature (typical derating) WITH CURRENT TAB NAMES -40C 0C 20C 65C 85C 110C 125C 2 0A 20 20 20 17 15 12 10 20A 60 2 5A 3 0A 25A 25 25 25 20 18 15 13 Max Recommended 4 0A 50 Environmental 30A 30 30 30 28 25 21 18 Temperature 5 0A 40 40 40 37 33 27 23 40A 6 0A 40 50 50 49 40 36 29 25 50A 60 60 60 51 46 38 33 60A 30 SHUNT Maximum Continuous Load: 50A 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. REV 1 1 042021 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 Max. Allowed Current Load A