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: -40 to 125 degrees C Housing Material: PET-GF30 Clear Housing Material: PES Terminals: Copper alloy, gal. Sn 2 x M5 or M6 bolts, distance 30 mm Mounting Torque M5: 4.5 Nm +/- 1Nm Mounting Torque M6: 6.0 Nm +/- 1Nm Interrupting Rating: 1000A @ 58 VDC Complies with: ISO 8820-5, UL 248 Special Purpose Fuses Dimensions Dimensions in mm Ordering Information Time-Current Characteristics Package Bolt Bolt Hole Opening Time Min / Max (s) Part Number % of Size Size Qty Rating 30-150A Fuses 200A Short Circuit Protectors 142.5631.xxx2 500 M5 2 142.7010.xxx2 500 M6 2 75 – / – 360,000 s / – 142.0020.xxx2 500 N/A 0 100 360,000 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 Pre-Arcing Time-Limits 500 0.100 s / 1 s – / – 600 – / – 0.100 s / 1 s Ratings Current Typ. Voltage Cold Housing I2t Part Number M5 Part Number M6 Rating Drop Resistance Material Color (A2s) (A) (mV) (mΩ) 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 83,400 142.5631.62022 142.70xx.6202 200 70 0.24 126,000 Note 1: Not UL rated Note 2: Short Circuit Protector only 30 A - 150 A: FI = 1.25 Derating (max. operating current:0.8 x I at 23°C) rat 200 A: FI = 2.00 Individual derating curves by rating can be ordered through your Littelfuse contact person. (max.operating current: 0.5 x I at 23°C) rat Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those 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 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 documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. littelfuse.com