Eaton 8ACLS-4R ACLS Fuse - 7.2 kV, 130 A, 50 kAIC
Part Number: 8ACLS-4R
Quick Summary
Eaton ACLS fuse 8ACLS-4R protects motor-start circuits in industrial protection systems. This compact, single-barrel ACLS fuse is designed for high-voltage motor protection and helps prevent costly downtime caused by nuisance trips and unintended outages. Certification visibility for this model includes IEEE Std. C37.41 as Not Applicable, and compliance details require consultation with the manufacturer for CE and IP ratings. Mounting with AmpGard simplifies installation in panel boards and switchgear, while the Class R design keeps arc energy contained. For procurement teams, this fuse offers predictable performance and compatibility with Bussmann series components, delivering reliable protection with reduced spare-part complexity and improved maintenance planning.
Product Information
Extended Description
8ACLS-4R Eaton: Eaton Bussmann series 8ACLS fuse, Single barrel, 4R designation, 7.2 kV, 130A, 50 kAIC, Motor start, ACLS, Class R, Ampgard, Single barrel
Product Name
Eaton Bussmann series ACLS fuse
Catalog Number
8ACLS-4R
UPC
051712530200
Product Length/Depth
15.9 in
Product Height
4.2 in
Product Width
3 in
Product Weight
9 lb
Warranty
Not Applicable
Compliances
Contact Manufacturer
Certifications
IEEE Std. C37.41 Not Applicable
Catalog Notes
Consult factory for mountings.
Amperage Rating
130 A
Interrupt rating
50 kAIC
Voltage rating
7.2 kV
Barrels
1
Class
Class R
Mounting method
Ampgard
Special features
Single barrel, 4R designation
8ACLS-4R~151D963G03~8.3KV 4R ACLS FUSE
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - 8ACLS-4R
Feature: High interrupt rating and voltage rating enable reliable protection for high-power motor starts. Business Impact: Rapid fault interruption reduces arc energy and equipment wear, improving motor life and uptime in demanding industrial environments. Application: Ideal for motor-start protection in high-voltage drives and ACLS configurations. Feature: Class R design with 4R designation and a single barrel configuration. Business Impact: Maintains controlled energy dissipation and compact footprint, enabling easier panel integration and reduced cabinet space. Application: Suitable for AmpGard-capable switchgear and Bussmann series ACLS implementations. Feature: AmpGard mounting compatibility. Business Impact: Simplifies installation, reduces commissioning time, and lowers field wiring errors. Application: Commonly deployed in AmpGard-compatible protection schemes and control panels. Feature: Catalog and compliance notes. Business Impact: Clear mountings guidance and manufacturer-led certifications ensure correct installation and regulatory alignment. Application: Best practices for system integration and long-term maintenance planning. Feature: Mechanical robustness and weight. Business Impact: The 9 lb form factor supports rugged industrial usage, reducing vibration-related faults and transport handling concerns. Application: Suitable for large motor-start assemblies in plant environments. Feature: Electrical rating consolidation. Business Impact: 7.2 kV operating voltage, 130 A current rating, and 50 kAIC interrupt capacity translate to robust protection for high-energy start sequences. Application: High-voltage motor protection in factory floors and distribution panels.
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FAQs
The 8ACLS-4R uses AmpGard mounting and is designed for compatibility with AmpGard protection schemes, simplifying installation in panels and switchgear while ensuring secure, vibration-resistant mounting for high-energy motor starts.
The fuse is rated for 130 A, with a 7.2 kV voltage rating and a 50 kAIC interrupt rating, classifying it as a Class R single-barrel ACLS fuse suitable for high-energy motor-start protection.
It is recommended for motor-start protection in high-voltage distribution and ACLS configurations, particularly where AmpGard mounting and Bussmann ACLS lineage are part of the protection strategy.
Certification visibility shows IEEE Std. C37.41 as Not Applicable, and Compliances indicate 'Contact Manufacturer' for CE, IP, or SIL considerations. For formal certifications, consult Eaton to confirm current specifications for your region.
By delivering reliable motor-start protection with a single-barrel design and AmpGard mounting, it reduces nuisance trips and downtime, simplifies stocking (fewer variants), and supports streamlined maintenance planning, contributing to lower lifecycle costs.