Eaton ACK-140 Fuse - 72 Vdc Time-delay Stud-Mount
Part Number: ACK-140
Quick Summary
ACK-140 fuse by Eaton provides DC overcurrent protection for forklift and battery-charging circuits. The challenge in harsh industrial environments is maintaining uptime while managing inrush and nuisance trips that disrupt production. The data for this model lists no warranty or compliance certifications, so verify your regional requirements with Eaton if needed. In practice, this dual-element, time-delay design offers dependable protection with copper terminals and a stud mounting for easy installation in tight spaces. As a rugged, high-current solution, it fits neatly within Bussmann series catalog lines and supports reliable DC protection in 72 V systems.
Product Information
Extended Description
ACK-140 Eaton: Eaton Bussmann series ACK fuse, Time-delay stud-mounted fuse, DC circuits protection for fork lift truck and battery chargers, 140 A, Dual, Non-indicating, 100 sec at 200%, 35 sec 300%, 13 sec at 500%, Copper terminal, Stud, 72 Vdc
Product Name
Eaton Bussmann series ACK fuse
Catalog Number
ACK-140
UPC
051712701402
EAN
5027590425643
Product Length/Depth
3.63 in
Product Height
1.063 in
Product Width
1.063 in
Product Weight
0.224 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
140 A
Response time
100 sec at 200%, 35 sec 300%, 13 sec at 500%
Voltage rating
72 Vdc
Material
Copper terminal
Number of elements
Dual
Packaging type
Standard
Fuse indicator
Non-indicating
Mounting method
Stud
Special features
One time fuse
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - ACK-140
Bussmann series ACK stud-mount fuse data sheet no. 1040
Bussmann series ACK stud-mount fuse data sheet no. 1040
Datasheet - FNQ-30
Feature → Time-delay, dual-element design improves protection while tolerating inrush currents, reducing nuisance blows in battery charging and industrial DC feeders; Business Impact → Improves uptime and minimizes unplanned maintenance in forklift and charger circuits; Application → Ideal for 72 Vdc forklift and battery charging applications, particularly where surge currents are common. Long-tail keywords addressed include 72 Vdc DC fuse, forklift DC protection, dual-element time-delay fuse for battery chargers. Feature → Copper terminal and stud mounting deliver robust, vibration-resistant connections; Business Impact → Faster, more reliable installations with durable electrical terminations; Application → Suitable for panel mounts and battery enclosure assemblies in harsh plant environments. Feature → 140 A rating with defined time-current characteristics; Business Impact → Clear protection thresholds that prevent runaway faults while allowing controlled fault current; Application → Supports load profiles typical of high-current DC motors and charging circuits. Feature → One time fuse with non-indicating status; Business Impact → Simple lifecycle with predictable replacement strategy, reducing ongoing monitoring costs; Application → Fits standard Bussmann catalog workflows and spare-part inventories. Feature → Compact footprint (3.63 in L, 1.063 in W x H) and 0.224 lb weight; Business Impact → Easier retrofits and space-constrained installations; Application → Compatible with compact fuse holders and stud-terminal configurations in forklifts and chargers.
Get a Quick Quote for a Eaton ACK-140
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton ACK-140?
Enquire Now
FAQs
Install the ACK-140 using its stud terminals in the DC power path. Ensure the circuit operates at 72 Vdc and that mounting follows the available space in the enclosure. Use the copper terminals for a secure connection and consult Eaton data sheets for torque specifications and wiring guidance.
The ACK-140 is rated for 140 A with a 72 Vdc maximum voltage. Its time-delay, dual-element design provides specified response times of 100 seconds at 200%, 35 seconds at 300%, and 13 seconds at 500% overload.
Yes. The fuse is designed for DC circuits including battery chargers, offering reliable protection with a time-delay profile suitable for charging inrush and steady-state loads in 72 Vdc systems.
Length 3.63 inches, Height 1.063 inches, Width 1.063 inches, with a weight of 0.224 lb, making it compact enough for space-limited fuse holders and control panels.
The ACK-140 is a dual-element, time-delay fuse with a non-indicating fuse indicator and a standard packaging type. It is described as a one-time fuse, intended for single-use protection in high-current DC circuits.