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Bussmann ANN-300 300A 125V AC / 80V DC ANN circuit limiter
Eaton Bussmann

Bussmann ANN-300 300A 125V AC / 80V DC ANN circuit limiter

Part Number: ANN-300

● LT: 8-12w

Eaton Bussmann ANN-300, 300A, 125V AC / 80V DC; interrupting rating 2.5kA AC / 2.7kA DC.

Rated Current300A
Rated Voltage125V AC / 80V DC
Breaking Capacity2.5kA AC / 2.7kA DC
PackageANN Stud-Mount
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Eaton Bussmann ANN-300 is a Circuit Limiter very fast acting ANN circuit limiter rated 300A at 125V AC / 80V DC. Interrupting rating: 2.5kA AC / 2.7kA DC. Standard(s): Bussmann ANN circuit limiter.

Quick answer, specifications & FAQ
Direct answer

Eaton Bussmann Automotive High-Current Fuse ANN-300 is rated 300A, 125V AC / 80V DC, Very Fast Acting. Breaking capacity 2.5kA AC / 2.7kA DC, I²t N/A (Supplemental), operating temperature -40°C to +125°C, certifications UL Recognized|CSA Certified by rating|CE by rating. Listed applications: Battery protection, EV battery, Heavy automotive. Standards: Bussmann ANN circuit limiter. Eaton Bussmann ANN-300, 300A, 125V AC / 80V DC; interrupting rating 2.5kA AC / 2.7kA DC.

Last updated 24 days ago

Key specifications

  • Part number: ANN-300
  • Brand: Eaton Bussmann
  • Rated current: 300A
  • Rated voltage: 125V AC / 80V DC
  • Breaking capacity: 2.5kA AC / 2.7kA DC
  • Fuse speed: Very Fast Acting
  • Dimensions: ANN Stud-Mount
  • Terminal type: Stud (M6)
  • Operating temperature: -40°C to +125°C
  • Certifications: UL Recognized|CSA Certified by rating|CE by rating
  • Standards: Bussmann ANN circuit limiter
  • Typical lead time: 12-16 weeks

Frequently asked questions

What are the current and voltage ratings of ANN-300?

ANN-300 is rated 300A at 125V AC / 80V DC.

What is the breaking capacity of ANN-300?

ANN-300 has a breaking capacity of 2.5kA AC / 2.7kA DC. Confirm this covers the available fault current at the installation point.

Which standards and approvals apply to ANN-300?

ANN-300 is listed under Bussmann ANN circuit limiter / UL Recognized|CSA Certified by rating|CE by rating.

What is ANN-300 used for?

ANN-300 is listed for Battery protection, EV battery, Heavy automotive applications. Verify suitability for your circuit before ordering.

What are the ordering terms for ANN-300?

ANN-300: typical lead time 12-16 weeks, minimum order 10 pcs. Submit a quote request for a firm quotation.

Data sources

Part number
ANN-300
Brand
Eaton Bussmann
Last updated
2026-10-10
Canonical URL
https://fusestock.com/products/eaton-bussmann-ann-300/

Technical Specifications

Part Number
ANN-300
Manufacturer Part Number
ANN-300
Series
ANN Series (Stud-Mount Very Fast-Acting Automotive)
Fuse Type
Automotive High-Current Fuse
Current Rating
300A
Voltage Rating
125V AC / 80V DC
AC / DC
AC/DC
Breaking Capacity
2.5kA AC / 2.7kA DC
I²t
N/A (Supplemental)
Operating Temperature
-40°C to +125°C
Package / Dimensions
ANN Stud-Mount
Mounting
Stud Mount
Application
Battery protection · EV battery · Heavy automotive
Standard
Bussmann ANN circuit limiter
Terminal Type
Stud (M6)
Fuse Speed
Very Fast Acting
Utilization Class
Circuit Limiter
Approvals
CE by rating · CSA Certified by rating · UL Recognized
Certifications
UL Recognized|CSA Certified by rating|CE by rating
Reference Lead Time
12-16 weeks
Minimum Order
10 pcs
Sample Status
Contact for Availability
Pre-arcing I²t
Clearing I²t: Watt Loss @ In: 5.2W
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