High Current Fuses CF Fuses Rated 58V Main Fuse for mounting with battery clamp on the battery pole. Voltage rating 58 VDC, Current rating 50A - 300A. With transparent cover material for visual inspection of melting element. Specifications Insulating Body Material: Ceramic Cover Material: PES Visible melting-element Interrupting Rating: 2,000A @58 VDC Complies with: ISO 8820-6, DIN 72581-5, UL 248 Special Purpose Fuses cULus Recognized:File No. E211637 CF Fuses Time-Current Characteristics Ordering Information Part Number Package Size % of Rating Opening Time Min / Max (s) 155.0892.xxx1 100 100 360,000 s / – 135 – / 3,600 s Ratings Dimensions 150 1 s / 600 s 200 0.200 s / 60 s 300 0.050 s / 1.5 s 400 0.020 s / 0.50 s 600 – / 0.20 s Part Number Current Rating (A) Typ. Voltage Drop (mV) Cold Resistance (mΩ) I2 t (A2s) 155.0892.5501 50 100 1.20 1,900 155.0892.5751 75 90 0.60 12,000 155.0892.6101 100 80 0.60 14,000 155.0892.6121 125 75 0.45 51,000 155.0892.6151 150 70 0.35 63,800 155.0892.6171 175 70 0.25 120,000 155.0892.6201 200 65 0.25 172,800 155.0892.6251 250 70 0.20 330,000 155.0892.6301 300 70 0.15 372,000 Dimensions in mm Insert CF8-Fuse links only in conjunction with the insulating nuts, see Section “Fuse Holders.” Corresponding battery clamp see Section “Fuse Holders.” Pre-Arcing Time-Limits FI = 1.25 (max. operating current: 0.8 x Irat at 23°C) 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. littelfuse.com