Eaton ALS-300A Fuse - 36 Vdc 300 A, Non-indicating
Part Number: ALS-300A
Quick Summary
The Eaton ALS-300A fuse is a high-current DC protection device designed for forklift DC circuits and battery charger systems. End users often experience nuisance fuse blows and unexpected downtime when DC loads surge; this non-indicating fuse provides reliable overcurrent protection with a straightforward, one-time-use design that helps reduce maintenance surprises. Note that the data for this model lists Not Applicable for warranty and compliances, and no SIL, CE, or IP ratings are specified, so system-level standards should be verified in context. Designed for industrial environments, its 300 A rating at 36 Vdc supports essential protection for fleet charging and other heavy DC applications, while compatibility with standard Eaton Bussmann accessories simplifies stocking and service workflows.
Product Information
Extended Description
ALS-300A Eaton: Eaton Bussmann series ALS fuse, Non time-delay fuse, One time fuse, Type A, DC Circuits protection for fork lift truck and battery chargers, 300 A, Non-indicating, Standard, 36 Vdc
Product Name
Eaton Bussmann series ALS fuse
Catalog Number
ALS-300A
UPC
051712583817
Product Length/Depth
3.75 in
Product Height
1.63 in
Product Width
1.63 in
Product Weight
0.16 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
300 A
Voltage rating
36 Vdc
Packaging type
Standard
Fuse indicator
Non-indicating
Special features
Silver-plated fuse caps
ALS-300A~SPECIAL PURPOSE FUSE 300A
ALS-300A~SPECIAL PURPOSE FUSE 300A
Bussmann series Fuseology
Eaton Specification Sheet - ALS-300A
Feature: 300 A amperage rating and 36 Vdc voltage rating. Business impact: Delivers robust protection for high-current DC loads in forklifts and battery chargers, reducing fuse-related downtime and component damage. Application: Suitable for DC circuit protection in industrial lift equipment and charging stations. Feature: Non-time-delay, one-time fuse construction. Business impact: Ensures definitive protection for peak-demand events with predictable failure behavior, minimizing oscillations and false trips. Application: Critical trunk circuits in industrial fleets and charge stations. Feature: Non-indicating fuse. Business impact: Simplifies panel integration and wiring schemes by avoiding on-device status indicators, enabling cleaner installation in compact control enclosures. Application: Packaged as a drop-in for standard Bussmann series layouts. Feature: Silver-plated fuse caps. Business impact: Improves corrosion resistance and contact reliability in harsh environments, extending service intervals. Application: Forklift yards, battery rooms, and outdoor charging stations. Feature: Compact form factor with standard packaging. Business impact: Facilitates easy replacement and stocking in service centers, reducing downtime during maintenance. Application: Spare parts management for fleets and industrial facilities. Feature: Compatibility with Eaton Bussmann catalog and accessories. Business impact: Streamlines procurement and installation with familiar components, lowering total cost of ownership. Application: System builders and maintenance engineers integrating DC protection for motor drives and chargers.
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FAQs
The ALS-300A is designed for DC circuits such as forklift truck systems and battery chargers. Its 300 A amperage rating and 36 Vdc rating align with typical industrial DC protections, and the standard Bussmann form factor supports easy replacement in equipment using Bussmann-series fuses.
Key specs include a 300 A amperage rating, 36 Vdc voltage rating, non-time-delay operation, and a one-time fuse design. It is described as non-indicating, with standard packaging, and is intended for DC circuit protection in heavy equipment.
The ALS-300A is a non-indicating fuse, meaning it does not provide an on-device status indicator, which can simplify panel layouts and wiring in dense equipment enclosures.
The fuse measures 3.75 inches in length, with a width of 1.63 inches and a height of 1.63 inches, and it weighs 0.16 pounds.
Common use cases include providing DC overcurrent protection for forklift battery charging circuits and other high-current DC loads within industrial facilities, helping minimize downtime and component damage in fleet and charging applications.