Eaton BK/ALS-225B Fuse - 36 Vdc High-Current DC Fuse
Part Number: BK/ALS-225B
Quick Summary
The Eaton Bussmann ALS fuse is a high-current DC fuse designed for lift truck battery charging applications. Selecting the wrong fuse can lead to downtime, nuisance trips, or battery damage during charging, costing time and money. While the data notes non-indicating operation and bulk packaging, engineers should verify regional requirements and standards such as CE, UL, or IP ratings where applicable. By specifying the BK/ALS-225B, procurement gains a robust, easy-to-stock DC protection solution that aligns with 36 Vdc lift truck circuits and can simplify maintenance through consistent, bulk-ready stocking.
Product Information
Extended Description
BK/ALS-225B Eaton: Eaton Bussmann series ALS fuse, Non time-delay, Lift truck and battery charger fuse, 225 A, Non-indicating, Bulk, 36 Vdc
Product Name
Eaton Bussmann series ALS fuse
Catalog Number
BK/ALS-225B
UPC
051712399845
Product Length/Depth
3.75 in
Product Height
1.63 in
Product Width
1.63 in
Product Weight
0.001 lb
Warranty
Not Applicable
Compliances
Not Applicable
Catalog Notes
Bulk
Amperage Rating
225 A
Voltage rating
36 Vdc
Packaging type
Standard Bulk
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 - BK/ALS-225B
Feature: High-current DC protection for lift truck battery charging. Benefit: Safeguards critical charging circuitry from overcurrent events, reducing downtime and extending battery life in industrial fleets. Application: Ideal for forklift charging stations and DC power supplies in warehouses. Feature: Non-time-delay (non-indicating) design. Benefit: Provides rapid, predictable interruption during a fault without indicators, minimizing arc exposure and simplifying fault analysis in high-current environments. Application: Stationary chargers and drive motor power feeds in warehouse fleets.Feature: Silver-plated fuse caps. Benefit: Improves electrical conductivity and corrosion resistance in harsh industrial environments, enhancing reliability and service life. Application: Heavy-duty applications where vibration or humidity challenges are common.Feature: Bulk packaging. Benefit: Reduces procurement costs and simplifies stocking for large fleets, enabling more efficient inventory management. Application: Centralized maintenance stores and distribution centers serving multiple warehouses.Feature: Compact form factor (3.75 in length, 1.63 in width, 1.63 in height). Benefit: Easy integration into existing fuse blocks and limited enclosure space, enabling straightforward retrofits and replacements. Application: Modernized battery charging stations and DC protection blocks in forklifts.
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FAQs
BK/ALS-225B is a 225 A, 36 Vdc DC fuse with a compact 3.75 in length, designed for lift truck battery charging paths. It fits standard bulk-packaged stock and requires wiring to the fuse blocks rated for high-current DC applications. Verify that the enclosure and mounting provisions accommodate the 1.63 in width and height, and ensure proper conductor sizing and torque specs are followed during installation.
Non-time-delay means the fuse is designed to interrupt fault currents without a deliberate delay, providing immediate protection against short-circuit events in DC charging circuits. For lift truck chargers, this reduces the risk of excessive current damage to cables and power electronics, while minimizing nuisance trips during normal inrush charging conditions.
Yes. With a 36 Vdc rating and a 225 A current capacity, this BK/ALS-225B fuse is targeted at high-current DC charging circuits typical of lift truck battery chargers. Its bulk packaging supports fleet-wide deployment, and the non-indicating design simplifies integration into standard fuse blocks used in industrial charging stations.
The provided data does not specify certifications. When selecting for regulated environments, consult Eaton’s datasheet or regional requirements to confirm applicable certifications such as CE, UL, or IP ratings. Always verify with the latest Eaton specification sheet (BK/ALS-225B) for approved standards before widespread deployment.
Bulk stocking reduces procurement time and minimizes stockouts for large fleets, leading to less downtime waiting for replacements. The 225 A, 36 Vdc rating aligns with common forklift charging specs, enabling standardized replacements across sites. The silver-plated caps and durable DC performance also lower maintenance costs by improving reliability in harsh warehouse environments.