Bolt-down Fuses MEGA® Fuse Rated 32V Specifications Interrupting Rating: 2000A @ 32 VDC Voltage Rating: 32 VDC Operating Temperature Range: 40˚C to + 125˚C Time-Current Characteristics / Schmelzzeit-Grenzwerte % of Rating % des Nennstromes Die von Littelfuse entwickelte und patentierte MEGA-Sicherung in Diffusionspillen-Technologie mit träger Charakteristik ist für Überstrom-Schutzlösungen von bis zu 500A konzipiert. Sie eignet sich ideal für Batterie- und GeneratorSchutzanwendungen oder andere Bereiche mit sehr großen Kabelquerschnitten, die extrem hohe Anforderungen an den Überstromschutz stellen. Part Number Artikel-Nr. Bolt-down Fuses 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. Opening Time Min / Max (s) Schmelzcharakteristik Min / Max (s) 40-250 300-500 4 hrs / – 75 –/– 100 4 hrs / – –/– 135 120 s / 1800 s – / 15 s 200 1 s / 15 s 1s/ 350 300 ms / 5 s 300 ms / 5 s 600 100 ms / 1 s –/– Current Rating Nennstrom Color Kennfarbe Typ. Voltage Drop Typ. Spannungsfall Cold Resistance Kaltwiderstand I2 t 0298040_ 40 A – 132 mV 2.510 mΩ – 0298060_ 60 A – 119 mV 1.504 mΩ – 0298080_ 80 A 87 mV 0.720 mΩ – 0298100_ 100 A 87 mV 0.562 mΩ 31100 A²s 0298125_ 125 A 80 mV 0.423 mΩ 57800 A²s 0298150_ 150 A 92 mV 0.352 mΩ 100000 A²s 0298175_ 175 A 86 mV 0.294 mΩ 168000 A²s 0298200_ 200 A 83 mV 0.257 mΩ 204000 A²s 0298225_ 225 A 82 mV 0.222 mΩ 257000 A²s 0298250_ 250 A 82 mV 0.201 mΩ 389000 A²s 0298300_* 300 A 74 mV** 0.167 mΩ – 0298350_* 350 A 68 mV** 0.138 mΩ – 0298400_* 400 A 64 mV** 0.126 mΩ – 0298450_* 450 A 60 mV** 0.112 mΩ – 0298500_* 500 A 58 mV** 0.092 mΩ – * Parts with asterik are short circuit protectors only. ** Voltage Drop measurements for short circuit protectors are at 75% of rated current. Corresponding holder see Section “Fuse Holders.” Last figure of part number = packaging code, see Section “Packaging Index,” pg. 157. © 2006 Littelfuse • Automotive Circuit Protection Products www.littelfuse.com 71 Bolt-down Fuses MEGA® Fuse Rated 32V Bolt-down Fuses Dimensions in mm / Maße in mm 72 www.littelfuse.com © 2006 Littelfuse • Automotive Circuit Protection Products