Eaton ALS-300B Fuse - 36 Vdc, 300 A, Non-indicating
Part Number: ALS-300B
Quick Summary
The Eaton ALS-300B fuse protects DC power circuits in forklifts and battery chargers. Plant downtime can spike when fuses are mis-specified or fail under surge, so this model offers reliable, fast-acting protection designed for harsh industrial DC environments. In practice, engineers often require regulatory certifications such as CE, IP ratings, or SIL where applicable; this record marks Not Applicable for warranty or compliances, so verify against your regulatory needs and consult Eaton’s datasheet for your region. Its 300 A rating at 36 Vdc and bulk packaging simplify procurement and integration with Bussmann series holders, delivering consistent protection and lower total cost of ownership.
Product Information
Extended Description
ALS-300B Eaton: Eaton Bussmann series ALS fuse, Non time-delay, Type B, 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-300B
UPC
051712395588
Product Length/Depth
3.75 in
Product Height
1.63 in
Product Width
1.63 in
Product Weight
0.15 lb
Warranty
Not Applicable
Compliances
Not Applicable
Catalog Notes
Bulk
Amperage Rating
300 A
Voltage rating
36 Vdc
Packaging type
Standard
Fuse indicator
Non-indicating
Special features
Silver-plated fuse caps
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - ALS-300B
The ALS-300B delivers a robust 300 A amperage rating, providing reliable fault-current protection for demanding DC loads found in forklift power systems and charger circuits, which translates to reduced equipment damage and minimized downtime during faults. The 36 Vdc rating ensures compatibility with common forklift and industrial charging architectures, safeguarding sensitive controls and contactors from overvoltage stress. As a non-time-delay Type B fuse, it offers fast-acting protection to quickly interrupt fault energy in non-inductive DC paths, helping maintain system uptime and safer operation of high-current drives. The non-indicating design reduces unnecessary fault indication wiring in tight control enclosures, simplifying installation and reducing panel complexity. Silver-plated fuse caps boost electrical contact reliability in vibration-prone industrial environments, enhancing long-term performance and reducing maintenance uncertainty. With a compact 3.75 in length and standard Bussmann-series packaging, installation is straightforward in existing fuse blocks and distribution panels. Bulk cataloging supports efficient procurement at scale, while compatibility with the Bussmann series ecosystem ensures consistent performance across multiple assemblies. Documentation such as the Eaton specification sheet (ALS-300B) supports engineering validation and compliant integration in warehouse, manufacturing, and material handling applications.
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FAQs
Install the ALS-300B in a standard Bussmann-series fuse block or holder rated for 300 A and 36 Vdc. Confirm the fuse's 3.75 in length, 1.63 in width, and 1.63 in height, then secure with appropriate mounting hardware. Use proper torque and conductor sizing per the Eaton datasheet, and verify electrical connections for vibration resistance in industrial environments.
The ALS-300B provides a 300 A amperage rating with a 36 Vdc voltage rating and non-time-delay (Type B) behavior, delivering fast fault interruption in DC charging paths. This protects charger circuitry and forklift traction systems from short circuits, reduces arc energy, and minimizes downtime by quickly isolating faults in demanding, high-current charging applications.
The product record lists Compliances as Not Applicable. For regulatory alignment, verify requirements with your site’s standards and consult the Eaton datasheet for region-specific certifications (CE, IP, SIL) and any additional approvals needed for your application.
The ALS-300B measures 3.75 inches in length, with a width of 1.63 inches and a height of 1.63 inches, and has a weight of 0.15 pounds. These compact dimensions fit standard fuse blocks in forklift and charger housings, enabling straightforward retrofit or integration into existing DC power distribution schemes.
Key documents include the Eaton Specification Sheet for ALS-300B and the Bussmann series catalogs (no. 1007). Access the full datasheet at Eaton’s site, and consult the Bussmann catalog PDF for broad-line context and compatibility with other Bussmann-series fuses used in your installation.