ST ATO® Series - ST ATO® Fuse Block with Ground Bus

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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.

ST ATO® Fuse Blocks provide a cost effective, consolidated circuit protection solution. Designed to accept standard ATO® fuses, these products ensure the safe distribution of power throughout an application. These products are RoHS compliant. Fuses sold seperately.


• Snap-on insulating cover (included) with label recesses & spare fuse holder

• Screw termination

• Integrated negative busbar

• Includes sheet of circuit identification labels


• Centralizes wiring to a convenient location

• Insulating cover provides circuitry protection

• Continuous current rating of 100A


• Centralized distribution for accessory circuits

• Ideal solution for DIY projects

Access specifications, certifications, check availability and order parts below

Catalog #Mounting MethodFuse TypeCurrent Rating (Max)Voltage Rating MaxTemperature Maximum CelsiusTemperature Minimum CelsiusRecommended TorqueInput TerminalsOutput TerminalsSamplesCompare
880027Bolt-DownATO1003285-208 in-lb (0.9Nm)10-32 Stud6.3mm BladeOrder
880027-BPBolt-DownATO1003285-208 in-lb (0.9Nm)10-32 Stud6.3mm BladeOrder
880028Bolt-DownATO1003285-208 in-lb (0.9Nm)10-32 Stud6.3mm BladeOrder
880028-BPBolt-DownATO1003285-208 in-lb (0.9Nm)10-32 Stud6.3mm BladeOrder
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