Eaton Bussmann
Eaton Bussmann AMI-80 80A 32V DC Automotive Fuse AMI Series Non-Indicating
An 80 A, 32 V DC fast-acting automotive fuse with bolt-on mounting and a 1 kA interrupt rating at 48 V DC
- 80 A rating protects high-current automotive circuits
- 32 V DC rating matches standard vehicle electrical systems
- Fast-acting design interrupts faults quickly to limit damage
- 1 kA interrupt rating at 48 V DC handles severe short circuits
- Bolt-on body style secures firmly in compatible fuse blocks
Eaton Bussmann AMI-80 fuse for 80 A circuits
The Eaton Bussmann AMI-80 is a fast-acting automotive fuse rated at 80 A and 32 V DC. It suits vehicle electrical systems that require a non-indicating bolt-on link for primary power or high-draw accessory circuits. Installers working on trucks, buses or off-road equipment will find it matches the AMI series footprint used in many OEM fuse blocks.
Plastic bolt-on body with HMI block fit
The black plastic housing measures 1 39/64 in long by 15/32 in wide by 11/32 in deep and mounts directly to compatible HMI series fuse blocks. A bolt-on design secures the connection against vibration without the need for rejection clips. Cross-reference charts list Littelfuse 498 as an equivalent series, simplifying sourcing for maintenance teams.
Fast-acting 1 kA interrupt at 48 V DC
The single-element construction clears faults quickly with an interrupt rating of 1 kA at 48 V DC. Under normal load the fuse runs cool and silent, adding no audible noise or measurable parasitic draw to the circuit. Its non-indicating body means visual inspection or a multimeter check is required after a suspected over-current event.
Highlights
- 80 A rating protects high-current automotive circuits
- 32 V DC rating matches standard vehicle electrical systems
- Fast-acting design interrupts faults quickly to limit damage
- 1 kA interrupt rating at 48 V DC handles severe short circuits
- Bolt-on body style secures firmly in compatible fuse blocks
Specifications
| Brand | EATON BUSSMANN |
|---|
Questions about this item
What voltage does the 80 A AMI fuse interrupt at its 1 kA rating?
The fuse is rated to interrupt 1 kA at 48 V DC, which is above its 32 V DC operating voltage.
What bolt-on dimensions and fuse block series are required for this AMI-80 fuse?
The body measures 1-39/64 in long, 15/32 in wide and 11/32 in deep, and fits the HMI series fuse block.
How is the non-indicating AMI-80 fuse installed and what step is often missed?
Bolt the fuse into an HMI block using the two mounting holes; the step often missed is torquing both bolts to the block manufacturer's specification to ensure a low-resistance connection.
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