Bolt-down Fuses MEGA(R) FUSE RATED 32V Specifications Interrupting Rating: 2000A @ 32 VDC Voltage Rating: 32 VDC Operating Temperature Range: -40C to + 125C Housing: PPA (33%/35% GF) 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 Part Number Package Size Plating Bolt Size Rating 0298xxx.ZXH 500 none M8 300 - 500 0298xxx.ZXEH 0298xxx.ZXB 0298xxx.ZXA 500 500 500 none Ag none M8 M8 M6 80 - 250 40 - 250 80 - 500 Time-Current Characteristics Description The MEGA(R) Fuse is designed for high current circuit protection up to 500A with "Diffusion Pill Technology." The MEGA(R) Fuse also provides time delay characteristics. Designed and patented by Littelfuse, the MEGA(R) Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection. % of Rating Opening Time Min / Max (s) 40-250 300-500 -/- 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 -/- 75 Ratings Part Number Current Rating Font Color Typ. Voltage Drop Cold Resistance I2t 0298040._1 40 A - 132 mV 2.510 m - 0298060._1 60 A - 119 mV 1.504 m - 0298080._ 80 A 87 mV 0.720 m - 0298100._ 100 A 87 mV 0.562 m 31100 As 0298125._ 125 A 80 mV 0.423 m 57800 As 0298150._ 150 A 92 mV 0.352 m 100000 As 0298175._ 175 A 86 mV 0.294 m 168000 As 0298200._ 200 A 83 mV 0.257 m 204000 As 0298225._ 225 A 82 mV 0.222 m 257000 As 0298250._ 250 A 82 mV 0.201 m 389000 As 0298300._ 2 300 A 74 mV** 0.167 m - 0298350._2 350 A 68 mV** 0.138 m - 0298400._2 400 A 64 mV** 0.126 m - 0298450._ 2 450 A 60 mV** 0.112 m - 0298500._2 500 A 58 mV** 0.092 m - Note 1: Not mentioned in ISO standards Note 2: Short Circuit Protector only ** Voltage Drop measurements for short circuit protectors taken at 75% of rated current. (c) 2012 Littelfuse * Transportation Products Catalog www.littelfuse.com Bolt-down Fuses MEGA(R) FUSE RATED 32V Time-Current Characteristic Curves Dimensions Dimensions in mm 1.83 (.072 ) 300-500A Temperature Rerating Curve www.littelfuse.com (c) 2012 Littelfuse * Transportation Products Catalog