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Black plastic bolt-on automotive fuse with two metal terminals

Eaton Bussmann

Eaton Bussmann AMI-80 80A 32V DC Automotive Fuse AMI Series Non-Indicating

SKU CH-YZJC-THA6S

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.

How it compares

Measured against everything we stock in Breakers & Circuit Protection, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 95% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameEATON 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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