Littelfuse 880027 ST ATO Series Fuse Block with Ground Bus Owner’s Manual
- June 8, 2024
- Littelfuse
Table of Contents
Littelfuse 880027 ST ATO Series Fuse Block with Ground Bus

Description
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
Features
- Snap-on insulating cover (included) with label recesses & spare fuse holder
- Screw termination
- Integrated negative busbar
- Includes sheet of circuit identification labels
Ordering Information
| PART NUMBER | DESCRIPTION | PACKAGING |
|---|---|---|
| 880027 | 6 ATO® ST Fuse Block w/ Ground | Bulk |
| 880027-BP | 6 ATO® ST Fuse Block w/ Ground Blister Pack | Blister Pack |
| 880028 | 12 ATO® ST Fuse Block w/ Ground | Bulk |
| 880028-BP | 12 ATO® ST Fuse Block w/ Ground Blister Pack | Blister Pack |
Specifications
| Current Rating Max: | 100A |
|---|---|
| Current Rating Max Per Circuit: | 30A |
| Max Fuse Type: | ATO® |
| Blade Fuse Housing: | PBT |
| Input Terminals: | 10-32 |
| Stud Mounting Method: | Bolt-Down; 4xM5 |
| Number Of Cavities: | 6 or 12 Circuits (varies by part number) |
| Output Terminals: | 10-32 |
| Screw Recommended Torque: | 8 in-lb (0.9Nm) |
| Max. Temperature: | -20°C to 85°C |
| Max Voltage Rating: | 32V DC |
Applications
- Centralized distribution for accessory circuits
- Ideal solution for DIY projects
Benefits
- Centralizes wiring to a convenient location
- Insulating cover provides circuitry protection
- Continuous current rating of 100A
Related Products
SD ATO® Fuse Blocks
Designed to accept ATO® fuses.
SD MINI® Fuse Blocks
Designed to accept MINI® fuses.
Web Resources
Download 2D print, installation guide and technical resources at: littelfuse.com/ST-ATO
Circuit Identification Labels


References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>