High Current Fuses MEGA® Low Temperature Fuse Rated 32V The MEGA® Fuse is designed for high current circuit protection up to 275A 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 Interrupting Rating: 2000A @ 32 VDC Voltage Rating: 32 VDC Operating Temperature Range: -40˚C to + 125˚C Housing Material: PPA-GF33HS Terminals:Copper (Silver plated copper available) M8 bolts Mounting Torque: 12-18 Nm M8 MEGA ® Low Temperature Fuses Ordering Information Time-Current Characteristics Part Number Package Size Plating Rating 0298125.ZXBLT 500 Ag 125 0298xxx.ZXEH-LT 500 none 150 - 275 % of Rating Opening Time Min / Max (s) 125 150-275 100 4 hrs / – 4 hrs / – 135 120 s / 1800 s 120 s / 1800 s 200 1 s / 50 s 1 s / 150 s 350 0.300 s / 5 s 0.300 s / 5 s 600 0.100 s / 1 s 0.100 s / 1 s Ratings Time-Current Characteristic Curves 1000 125 150 175 200 225 100 250 Part Number Current Rating (A) Font Color Typ. Voltage Drop (mV) Cold Resistance (mΩ) I2t (A2s) 57000 A 0298125.ZXBLT 125 67 0.330 0298150.ZXEH-LT 150 62 0.258 59000 A 0298175.ZXEH-LT 175 65 0.232 123000 A 0298200.ZXEH-LT 200 61 0.214 140000 A 0298225.ZXEH-LT 225 57 0.177 317000 A 0298250.ZXEH-LT 250 54 0.144 637000 A 0298275.ZXEH-LT 275 53 0.122 800000 A 275 TIME IN SECONDS Dimensions Temperature Rerating Curve Dimensions in mm 10 29.2 (1.15") 1 9.9 (.39") 0.1 100 1000 10000 CURRENT IN AMPERES Last figure of article no. = packaging code Corresponding holder see Section “Fuse Holders.” Littelfuse products are designed for specific applications and should not be used for any purpose (including, without limitation, automotive applications) not 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 product 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 product documentation. littelfuse.com