High Current Fuses BF1 Fuses Rated 58V This BF1 fuse is rated at 58V and offers a bolt-on fuse for high current wiring protection. Current rating 30A - 200A; with transparent housing material for easy detection of blown fuses. Specifications Operating temperature: Housing Material: Clear Housing Material: Terminals: Mounting Torque M5: Mounting Torque M6: Interrupting Rating: Complies with: Dimensions Dimensions in mm -40 to 125 degrees C PET-GF30 PES Copper alloy, gal. Sn 2 x M5 or M6 bolts, distance 30 mm 4.5 Nm +/- 1Nm 6.0 Nm +/- 1Nm 1000A @ 58 VDC ISO 8820-5, UL 248 Special Purpose Fuses Ordering Information Time-Current Characteristics Part Number Package Size 142.5631.xxx2 500 M5 2 142.7010.xxx2 500 M6 1 0 142.7020.xxx2 500 Bolt Bolt Hole Size Qty M6 % of Rating Pre-Arcing Time-Limits Opening Time Min / Max (s) 30-150A Fuses 200A Short Circuit Protectors 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 0.300 s / 3 s –/– 350 –/– 0.300 s / 5 s 500 0.100 s / 1 s –/– 600 –/– 0.100 s / 1 s Ratings Part Number M5 Part Number M6 Current Rating (A) 142.5631.53021 142.70xx.53021 30 105 2.70 5,100 142.5631.5402 142.70xx.5402 40 90 1.56 6,800 142.5631.5502 142.70xx.5502 50 80 1.03 6,900 142.5631.5602 142.70xx.5602 60 75 0.75 16,200 142.5631.5702 142.70xx.5702 70 70 0.64 22,000 142.5631.5802 142.70xx.5802 80 70 0.55 25,600 142.5631.6102 142.70xx.6002 100 70 0.44 42,500 142.5631.6122 142.70xx.6122 125 70 0.34 62,500 142.5631.6152 142.70xx.6152 150 70 0.29 83,400 142.5631.6202 142.70xx.6202 200 70 0.24 126,000 2 Housing Material Color Typ. Voltage Cold Drop Resistance (mV) (mΩ) I2t (A2s) Note 1: Not UL rated Note 2: Short Circuit Protector only Derating 30 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) Individual derating curves by rating can be ordered through your Littelfuse contact person. Littelfuse products are designed for specific applications and should not be used for any purpose (including, without limitation, automotive applications) not expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse product documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse product documentation. 29 littelfuse.com