UCB Series - Universal ATO Style Circuit Breakers

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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.

Universal Circuit Breakers function identically and have same internal components as OEM breakers but offer the versatility of snap off terminals for greater flexibility.

  • SAE Type II modified reset used primarily as a wiring harness protector in 12V DC automotive systems.
  • Meets OEM requirements.
  • Conforms to SAE J553C standard.
  • Designed to mount in ATO® style fuse blocks and panels.

Access specifications, certifications, check availability and order parts below

Catalog #Current Rating (Max)Mounting MethodStockSamplesCompare
BUCB005.Z
BUCB010.Z
BUCB015.Z
BUCB020.Z
BUCB025.Z
BUCB030.Z
0UCB015.X15CheckOrder
0UCB015.XP15BladeCheckOrder
0UCB020.X20CheckOrder
0UCB020.XP20BladeCheckOrder
0UCB025.X25CheckOrder
0UCB025.XP25BladeCheckOrder
0UCB030.X30CheckOrder
0UCB030.XP30BladeCheckOrder
0UCB005.X5CheckOrder
0UCB005.XP5BladeCheckOrder
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