Bolt-down Fuses BF1 FUSE RATED 32V Specifications Housing: Out of thermoplastic (UL 94-V0, heat-resistant) Terminals: Mounting Torque M5: Mounting Torque M6: Interrupting Rating: Complies with: Visible melting element Copper alloy, gal. Sn 2 x M5 or M6 bolts, distance 30 mm 4.5 Nm +/- 1Nm 6.0 Nm +/- 1Nm 23A & 30A: 1000A @32 VDC 40A - 150A: 2000A @32 VDC 200A: 1500A @32 VDC ISO 8820-5 UL 248 Special Purpose Fuses -40 to 125 degrees C Operating Temperature: Time-Current Characteristics Opening Time Min / Max (s) % of Rating Description This BF1 fuse is rated at 32V and offers a bolt-on fuse for high current wiring protection. Current rating 23A - 200A; with transparent housing for easy detection of blown fuses. Ordering Information Mounting Torque Part Number 75 –/– 150-200A Short Circuit Protectors 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 0.300 s / 3 s –/– 23-150A Fuses Package Size 350 –/– 0.300 s / 5 s 1000 500 0.100 s / 1 s –/– 600 –/– 0.100 s / 1 s M5 153.5631.xxx2 M5 153.5631.xxx1 10 M6 153.7010.xxx2 1000 M6 153.7000.xxx2 500 Ratings Part Number M5 Current Rating Housing Color Typ. Voltage Drop Cold Resistance I2t M6 153.5631.523_ - 23 A 105 mV 3.50 mΩ 1,400 A²s 153.5631.530_ 153.5631.530_2 30 A 105 mV 2.70 mΩ 5,100 A²s 153.5631.540_ 153.7010.540_ 40 A 90 mV 1.56 mΩ 6,800 A²s 153.5631.550_ 153.7010.550_ 50 A 80 mV 1.03 mΩ 6,900 A²s 153.5631.560_ 153.7010.560_ 60 A 75 mV 0.75 mΩ 16,200 A²s 153.5631.570_ 153.7010.570_ 70 A 70 mV 0.64 mΩ 22,000 A²s 153.5631.580_ 153.7010.580_ 80 A 70 mV 0.55 mΩ 25,600 A²s 153.5631.610_ 153.7010.610_ 100 A 70 mV 0.44 mΩ 42,500 A²s 153.5631.612_ 153.7010.612_ 125 A 70 mV 0.34 mΩ 62,500 A²s 153.5631.615_1 153.7010.615_1 150 A 70 mV 0.29 mΩ 83,400 A²s - 153.7000.615_ 150 A 70 mV 0.33 mΩ 98,000 A²s 153.5631.620__3 153.7000.620__3 200 A 70 mV 0.24 mΩ 126,000 A²s 1,2 3 Corresponding holder see Section “Fuse Holders.” Note 1: not mentioned in ISO standard Note 2: Not UL rated Note 3: Short Circuit Protector only © 2012 Littelfuse • Transportation Products Catalog www.littelfuse.com Bolt-down Fuses BF1 FUSE RATED 32V Dimensions Dimensions in mm Pre-Arcing Time-Limits 23 A - 150 A: FI = 1.25 (max. operating current: 0.8 x Irat at 23°C) 200 A: FI = 2.00 (max. operating current: 0.5 x Irat at 23°C) Derating Individual derating curves by rating can be ordered through your Littelfuse contact person. www.littelfuse.com © 2012 Littelfuse • Transportation Products Catalog