Bolt-down Fuses MIDI(R) HEAVY DUTY BOLT-DOWN FUSE RATED 32V Specifications Voltage Rating: Interrupting Ratings: Operating Temperature Range: Housing: Terminal: Mounting Torque M5: Complies with: 32 VDC 5000A @ 14 VDC -40C to +125C Transparent Nylon Composite Tin plated Copper 4.5 Nm +/- 1Nm ISO 8820-5 UL 248 Special Purpose Fuses Ordering Information Description This MIDI (R) 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 (R) was designed and patented by Littelfuse. Part Number Package Size 0498xxx.MXT-HD 1000 0498xxx.UXT-HD 500 Time-Current Characteristics % of Rating Opening Time Min / Max (s) 30-125A 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 Ratings Part Number Current Rating (A) 0498030.MXT-HD 30 A Font Color Typical Voltage Drop Typical Cold Resistance I2t (A2s) 65 mV 2.06 m 4200 0498040.MXT-HD 40 A 65 mV 1.398 m 10000 0498050.MXT-HD 50 A 65 mV 1.025 m 13000 0498060.MXT-HD 60 A 68 mV 0.865 m 21700 0498070.MXT-HD 70 A 70 mV 0.72 m 24000 0498080.MXT-HD 80 A 58 mV 0.541 m 24600 0498100.MXT-HD 100 A 60 mV 0.457 m 51300 0498125.MXT-HD 125 A 71 mV 0.394 m 73200 0498150.MXT-HD1 150 A 77 mV 0.323 m 81900 1 0498175.MXT-HD 175 A 77 mV 0.285 m 100000 0498200.MXT-HD1 200 A 77 mV 0.261 m 125000 Note 1: Short circuit protectors only. (c) 2012 Littelfuse * Transportation Products Catalog www.littelfuse.com Bolt-down Fuses MIDI(R) HEAVY DUTY BOLT-DOWN FUSE RATED 32V Temperature Rerating Curve 30A 40A 50A 60A 70A 80A 100A 125A 150A 175A 200A Time-Current Characteristic Curves MIDI Rerating Curve 115 1000 Rerating Factor (% Rated Current) 110 105 100 100 95 90 85 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 TIME IN SECONDS Ambient Temperature (C) Dimensions Dimensions in mm 10 1 0.1 0.01 10 Part Number Artikel-Nr. "A" mm (inch) "B" mm (inch) "C" mm (inch) 0498030.MXT-HD 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498040.MXT-HD 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498050.MXT-HD 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498060.MXT-HD 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498070.MXT-HD 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498080.MXT-HD 0.41 (0.016) 4.0 (0.157) 8.0 (0.315) 0498100.MXT-HD 0.63 (0.025) 4.3 (0.169) 8.3 (0.327) 0498125.MXT-HD 0.63 (0.025) 4.3 (0.169) 8.3 (0.327) 0498150.MXT-HD 0.63 (0.025) 4.3 (0.169) 8.3 (0.327) 0498175.MXT-HD 0.63 (0.025) 4.3 (0.169) 8.3 (0.327) 0498200.MXT-HD 0.63 (0.025) 4.3 (0.169) 8.3 (0.327) www.littelfuse.com 100 1000 10000 (c) 2012 Littelfuse * Transportation Products Catalog