0298175.ZXEH

High Current Fuses MEGA® and MEGA® Clear Top Fuse Rated 32V The MEGA® Fuse is designed for high current circuit protection up to 500A with “Diffusion Pill Technology.” The MEGA® Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA® Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection. Specifications MEGA ® Fuses Interrupting Rating: 2000A @ 32 VDC Voltage Rating: 32 VDC Operating Temperature Range: -40˚C to + 125˚C Housing Material: PPA-GF33HS Flammability (UL 94): HB Clear Top Housing Material: PES (top) PPA-GF33HS (bottom) Terminals: Copper (Silver plated copper available) M6 or M8 bolts available Mounting Torque: 8-14 Nm M6 12-18 Nm M8 Complies with: ISO 8820-5 Ordering Information MEGA Clear Top Housing Fuse Time-Current Characteristics Package Bolt Bolt Hole Plating Size Size Qty Part Number Rating 0298xxx.ZXEH 80 - 250 500 None M8 2 0298xxx.ZXH 300 - 500 500 None M8 2 0298xxx.UX1M8 80 - 500 500 None M8 1 ® 0298xxx.ZXB 40 - 250 500 Ag M8 2 0298xxx.ZXA 80 - 500 500 None M6 2 M8 2 MEGA Clear Top Housing Material Fuse 0298xxx.UXT 40 - 250 500 None Opening Time Min / Max (s) % of Rating 40-250 300-500 75 –/– 14,400 s / – 100 14,400 s / – –/– 135 120 s / 1800 s –/– 200 1 s / 15 s 1 s / 15 s 350 0.300 s / 5 s 0.500 s / 5 s 600 0.100 s / 1 s 0.100 s / 1 s Ratings Part Number Current Rating (A) Font Color* Typ. Voltage Drop (mV) Cold Resistance (mΩ) Wire (mm2) I2t (A2s) 0298040._1 40 – 132 2.510 4 8700 0298060._1 60 – 119 1.504 6 21000 0298080._ 80 87 0.720 10 21500 0298100._ 100 87 0.562 16 31100 0298125._ 125 80 0.423 16 57800 0298150._ 150 92 0.352 25 100000 0298175._ 175 86 0.294 25 168000 0298200._ 200 83 0.257 35 204000 0298225._ 225 82 0.222 35 257000 0298250._ 250 82 0.201 50 389000 0298300._2 300 74 ** 0.167 70 315000 2 0298350._ 350 68 ** 0.138 70 500000 0298400._2 400 64 ** 0.126 70 610000 0298450._2 450 60 ** 0.112 70 1050000 0298500._2 500 58 ** 0.092 70 2050000 Note 1: Not mentioned in ISO standards Note 2: Short Circuit Protector only * 0298xxx.ZXB has white font color on all ratings. ** Voltage Drop measurements for short circuit protectors taken at 75% of rated current. 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. 21 littelfuse.com High Current Fuses MEGA® Fuse Rated 32V Time-Current Characteristic Curves Dimensions Dimensions in mm M6: 6.60 (.26") M8: 8.64 (.34") 29.2 (1.15") 40-250A 9.9 (.39") 40-250A 10.72 (.422") 300-500A 1.83 (.072 ) 300-500A Typical Derating Temperature Security Margin is 20% Wire Cross Sections And Test Fixture acc. ISO 8820-5 max. allowed current load [A] at ambient temperature 40A 60A 80A 100A 125A 150A 175A 200A 225A 250A 300A 350A 400A 450A 500A -20°C 0°C 20°C 65°C 85°C 95°C 105°C 125°C 35 48 81 101 129 149 164 184 194 230 272 311 317 337 378 33 46 76 95 123 141 156 175 184 218 258 294 300 320 358 31 43 72 90 116 133 147 165 174 205 242 277 283 302 337 26 36 61 76 98 112 124 139 147 173 204 232 239 256 284 23 32 55 69 88 102 112 126 134 157 184 209 216 232 257 22 30 52 65 83 96 106 119 127 147 174 197 204 219 242 20 28 49 61 78 90 99 112 119 138 162 184 191 206 227 17 23 41 51 66 76 84 94 101 116 136 154 161 175 191 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. 22 littelfuse.com