MEGA 60V High Breaking Capacity Series - 60V High Current Fuse

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Disclaimer Notice

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" includes Littelfuse, Inc., and all of its affiliate entities.

MEGA® High Breaking Capacity SF51 fuses were developed specifically to provide overcurrent and short circuit protection to circuits for 48 V batteries. The fuses can withstand large inrushes of current and short circuit currents up to 5 kA at 60 V dc. These capabilities make the fuses a perfect fit for many applications where ultra-high current protection is needed.

Features & Benefits

  • Rated voltage 60 VDC
  • Interrupting rating of 5 kA at 60 VDC
  • Tin-plated copper alloy terminals
  • Operate from -40 °C to +85 °C
  • M6 mounting torque of 9 Nm ±1 Nm (ISO prescription)
  • M8 mounting torque of 20 Nm ±1 Nm (ISO prescription)
  • Typical weight of 13 g
  • Refer to ISO 20934 – Type SF51
  • Available with two, one, or no mounting holes
  • High-contrast ampere rating stamp on housings aid identification
  • Date codes are optimized for OCR reading by digital camera


  • Cars and SUVs
  • Trucks
  • Buses
  • Offroad vehicles
  • Watercraft

Access specifications, certifications, check availability and order parts below

Catalog #Mounting TechnologyInterrupting Rating
0878450.UX-NHBolt-Down5000 A @ 60 V DC
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