MEGA® High Performance 70V SF51 Series - MEGA® HP 70V Automotive Bolt-Down 51mm 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.

The MEGA® 70V High Performance (HP) Fuse is designed for high current circuit protection up to 500A with “Diffusion Pill Technology.” The MEGA® 70V HP features 1MOhm Open State Resistance after fuse opening to guarantee safe interruption at any voltage up to 70V. The MEGA® 70V HP Fuse is ideal for battery and alternator protection application and other heavy gauge cables requiring ultra-high current protection.


  • Voltage rating: 70 ADC
  • Interrupting rating: 2500 A @ 70 VDC
  • Operating temperature range: -40˚C to +125˚C
  • 14 variants of the current rating : 60 … 500 A
  • Mounting holes pitch 51 mm according to ISO 20934
  • 5 variants of the mounting holes size and and quantity configuration: M8 / M6 / No holes / One hole / Two holes
  • Bulk packing 500 pcs/pkg

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