Bolt-down Fuses MIDI® STYLE BOLT-DOWN FUSE RATED 32V Specifications Interrupting Rating: Voltage Rating: Operating Temperature Range: Housing: Terminal: Mounting Torque M5: Mounting Torque M6: Complies with: 1000A @ 32 VDC 32 VDC -40˚C to + 125˚C Out of thermoplastic Tin plated Copper 4.5 Nm +/- 1Nm 5.5-6.5 Nm +/- 1Nm (Except 23A) ISO 8820-5 UL 248 Special Purpose Fuses Ordering Information Part Number Package Size 0498xxx.H 100 0498xxx.M 1000 Time-Current Characteristics Description This MIDI ® style fuse offers a bolt-on space saving fuse for high current wiring protection and provides time delay characteristics with “Diffusion Pill Technology”. The MIDI® was designed and patented by Littelfuse. % of Rating Opening Time Min / Max (s) 23-125A 150-200A 75 –/– 360,000 s / – 100 360,000 s / – –/– 110 14,400 s / – –/– 150 90 s / 3,600 s –/– 200 3 s / 100 s 1 s / 15 s 300 350 0.3 s / 3 s –/– –/– 0.3 s / 5 s 500 0.1 s / 1 s 0.1 s / 1 s Typ. Voltage Drop Cold Resistance I2t 3.43 mΩ 1,800 A²s Ratings Part Number Current Rating Housing Color 0498023._2 23 A 90 mV 2 0498030._ 30 A 65 mV 2.06 mΩ 4,200 A²s 0498040._ 40 A 65 mV 1.398 mΩ 10,000 A²s 0498050._ 50 A 65 mV 1.025 mΩ 13,000 A²s 0498060._ 60 A 68 mV 0.865 mΩ 21,700 A²s 0498070._ 70 A 70 mV 0.72 mΩ 24,000 A²s 0498080._ 80 A 58 mV 0.541 mΩ 24,600 A²s 2 0498100._ 100 A 60 mV 0.457 mΩ 51,300 A2s 0498125._2 125 A 71 mV 0.394 mΩ 73,200 A²s 1,2 0498150._ 150 A 77 mV 0.323 mΩ 81,900 A²s 0498175._1,2 175A 77 mV 0.285 mΩ 100,000 A²s 0498200._1,2 200A 77 mV 0.261 mΩ 125,000 A²s Note 1: Short circuit protector only Note 2: not UL approved www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog Bolt-down Fuses MIDI® STYLE BOLT-DOWN FUSE RATED 32V Dimensions Temperature Rerating Curve Dimensions in mm MIDI Rerating Curve 115 Rerating Factor (% Rated Current) 110 105 100 95 90 85 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 Ambient Temperature (C) Time-Current Characteristic Curves “C” mm (inch) 0498023._ 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498030._ 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498040._ 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498050._ 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498060._ 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498070._ 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498080._ 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498100._ 0.63 (0.025) 4.3 (0.169) 8.3 (0.327) 0498125._ 0.63 (0.025) 4.3 (0.169) 8.3 (0.327) 0498150._ 0.63 (0.025) 4.3 (0.169) 8.3 (0.327) 0498175._ 0.63 (0.025) 4.3 (0.169) 8.3 (0.327) 0498200._ 0.63 (0.025) 4.3 (0.169) 8.3 (0.327) TIME-CURRENT CHARACTERISTIC CURVES 23A “B” mm (inch) 30A 40A 50A 60A 70A 80A 100A 125A 150A 175A 200A “A” mm (inch) 1000 100 TIME IN SECONDS Part Number 10 1 0.1 0.01 10 © 2012 Littelfuse • Transportation Products Catalog 100 CURRENT IN AMPERES 1000 10000 www.littelfuse.com