1000 VDC Solar Fuse - UL Class R Size Series - 1000 VDC Solar Fuse - UL Class R Size

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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.

Obsolete 02/17. The SPFR series was designed to meet the growing needs of the solar industry with higher amperage and voltage requirements.


  • Solar Inverters
  • High amperage combiner boxes


  • DC Voltage rating meets European system and North American utility scale requirements
  • Multiple amperage ratings
  • RoHS compliant
  • Class H Dimensions
  • Full Range Protection

Access specifications, certifications, check availability and order parts below

Catalog #OpeningStockCompare
SPFR250Fast-Acting (F)Check
SPFR300Fast-Acting (F)Check
SPFR350Fast-Acting (F)Check
SPFR400Fast-Acting (F)Check
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