MCASE+ 32V Series - MCASE+ Cartridge Fuse Rated 32V

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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.

MCASE+TM cartridge fuses protect automotive circuits from inrushes of current while taking up minimal space. Unslotted MCASE+ fuses mount on 2.8 mm terminals, and Slotted MCASE+ fuses can mount on bus bars or 6.3 mm terminals. MCASE+ High Temperature fuses produce a lower voltage drop and experience a lower temperature rise when subjected to harsher conditions. Note that the current-carrying capability of the mating terminals must be verified to ensure proper system operation. Please contact Littelfuse for details regarding the test setup definition, which refers to ISO 8820-4 (Plated Mating Tab Terminals).


  • Time-delayed
  • Available with ratings of 15 A to 40 A
  • Interrupting rating of 1 kA at 32 V dc
  • Operate at up to 125 ℃ with the contact point reaching 150 ℃
  • UL 94 flammability rating of HB for housing
  • UL 94 flammability rating of V-2 for clear cover
  • Net weight 1.5 g ±5 % per fuse
  • Typical fuse insertion force of 50 N
  • Single-terminal extraction force of 4 N to 24.5 N
  • Comply with SAE 2741 and ISO 8820-4


  • Color coding indicates ampere rating
  • High-contrast ampere stamp aids identification
  • Slotted fuses can mount on bus bars
  • Hight Temperature fuses clearly labeled “HT”


  • Cars
  • Trucks
  • Offroad vehicles
  • Watercraft as approved by Littelfuse

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