ZCASE M10 32V Series - Zcase M10 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.

ZCASETM M10 32V automotive fuses take up minimal space while providing time-delayed/Slo-Blo® high-current circuit protection similar to MEGA® 32V fuses. Typically used to protect starters, ZCASE M10 fuses with ampere ratings of 80 A to 250 A provide full wire protection. Use fuses rated 300–600 A only for short circuit protection.


  • Time-delayed
  • Available with ratings of 80 A to 600 A and in a shunt version
  • Interrupting rating of 2 kA at 32 V dc
  • Tin-plated copper alloy terminals
  • Operate at up to 125 °C with terminals reaching 130 °C at contact point
  • PPA-GF33HS housing with UL flammability rating of HB
  • Ceramic insulating tube
  • Net weight 22 g ±10 %) per fuse
  • M10 (18 Nm ±2 Nm) mounting hole
  • RoHS compliant


  • One-bolt connection
  • Can mount on a battery post, starter, or bus bar
  • High-contrast ampere rating stamps aid identification
  • 425 A fuse, 600 A fuse, and shunt offered in addition to fuses listed in ISO standards


  • Commercial vehicles
  • Buses
  • Construction equipment
  • Material handling equipment
  • Agricultural machinery
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