Eaton ACK-20 Fuse - Time-delay Dual Element, 130 Vdc
Part Number: ACK-20
Quick Summary
The Eaton ACK-20 fuse is a time-delay dual-element DC protection device for forklift and charger circuits. This design helps prevent nuisance trips during peak loads while preserving critical equipment. From a regulatory perspective, certifications such as SIL readiness for safety-critical power paths, CE marking for Europe, and IP protection ratings for rugged enclosures matter in industrial deployments. In practice, partnering with Eaton supports faster compliance, stronger uptime, and a lower total cost of ownership for fleets of material-handling equipment. For forklift fleets and battery chargers, a time-delay dual-element design minimizes unnecessary trips while delivering predictable protection. This combination simplifies procurement and installation for engineers specifying DC protection in industrial automation projects.
Product Information
Extended Description
ACK-20 Eaton: Eaton Bussmann series ACK fuse, Time-delay stud-mounted fuse, DC circuits protection for fork lift truck and battery chargers, 20 A, Dual, Non-indicating, 100 sec at 200%, 35 sec 300%, 13 sec at 500%, Stud, Standard, 130 Vdc
Product Name
Eaton Bussmann series ACK fuse
Catalog Number
ACK-20
UPC
051712701273
EAN
5027590251679
Product Length/Depth
2.5 in
Product Height
0.56 in
Product Width
0.56 in
Product Weight
0.6 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
20 A
Response time
100 sec at 200%, 35 sec 300%, 13 sec at 500%
Voltage rating
130 Vdc
Number of elements
Dual
Packaging type
Standard
Fuse indicator
Non-indicating
Mounting method
Stud
Special features
One time fuse
ACK-20~FUSETRON DUAL ELEMENT
ACK-20~FUSETRON DUAL ELEMENT
Bussmann series Fuseology
Eaton Specification Sheet - ACK-20
Feature → Business Impact → Application: Time-delay dual-element design provides controlled overcurrent protection that reduces nuisance trips during startup surges, improving equipment availability and extending motor and drive life in forklift power paths. Application: Ideal for DC circuits in forklift trucks and battery chargers, where inrush currents are common and uptime is critical. Keyword focus: time-delay fuse for DC circuits, dual-element fuse, DC protection for forklifts. Feature → Business Impact → Application: Stud mounting and compact dimensions enable fast, secure panel installation with minimal cabinet space, reducing install time and maintenance headaches in crowded control panels. Application: Panel-mounted fuses in battery charging stations and control housings. Keyword focus: stud-mounted fuse, panel installation, 130 Vdc fuse. Feature → Business Impact → Application: Non-indicating design avoids false alarms in noisy environments while you monitor fuse status through system behavior rather than indicators. Application: Harsh industrial environments with limited panel visibility. Keyword focus: non-indicating fuse, reliable protection. Feature → Business Impact → Application: 20 A, 130 Vdc rating delivers predictable protection for mid-range DC power paths, balancing protection with minimal voltage drop and thermal load. Application: Forklift power supplies and charger banks. Keyword focus: 20 A fuse, 130 Vdc rating, DC circuit protection. Feature → Business Impact → Application: One-time fuse feature ensures a controlled replacement strategy after a fault, supporting safety and compliance in high-stakes applications. Application: Maintenance planning for fleet power systems. Keyword focus: one-time fuse, replacement planning. Feature → Business Impact → Application: Standard packaging and Bussmann-series compatibility simplify procurement, stocking, and spares, reducing downtime during part shortages. Application: Industrial automation spares management. Keyword focus: standard packaging, Bussmann catalog compatibility.
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FAQs
ACK-20 uses a stud-mounted mounting method designed for DC power paths in harsh industrial environments. Its compact 2.5 in length and 0.56 in width/height fit standard control cabinets, with a 130 Vdc rating and 20 A current rating appropriate for forklift and charger circuits. This simplifies panel layouts and minimizes required clearance, while maintaining secure electrical connections.
The ACK-20 provides time-delay protection with defined trip characteristics: 100 seconds at 200% overload, 35 seconds at 300%, and 13 seconds at 500%. This enables longer inrush tolerance during startup while ensuring swift protection against sustained faults. The device is 20 A, 130 Vdc, dual-element, and non-indicating, designed for reliable DC circuit protection.
Yes. The ACK-20 is explicitly designed for DC circuit protection in forklift trucks and battery chargers. Its time-delay behavior handles startup surges common in power paths while guarding against damaging overcurrents. The stud-mount, compact package and 130 Vdc rating align with typical industrial control panels and charger enclosures found in material-handling environments.
The data sheet notes Not Applicable for warranty and compliance, so specific certifications are not listed for ACK-20. In practice, for industrial deployments, look for CE marking for Europe, UL recognition for North America, and IP ratings for enclosure safety when selecting DC protection components. Always confirm with the manufacturer or distributor for the latest certification status.
ACK-20's 20 A, 130 Vdc rating paired with a one-time fuse feature supports a predictable maintenance approach: replace after an activation event to restore protection quickly, reducing unexpected downtime. Its compact, standard-packaged design simplifies stocking and spares management, lowering total cost of ownership while maintaining protective reliability across forklift and charger fleets.