Mersen ACK140 - Forklift Truck ACK 125VAC 125VDC 140A Time Delay Blade
Mersen

ACK140

Alternate Item Number: ACK140

UPC: 782001791285


Documents & Media
Technical DrawingLine Drawing

Contact for Pricing

Overview

The Mersen ACK140 is a time-delay blade fuse specifically engineered for the demanding circuit protection needs of DC battery-powered industrial equipment. Designed for heavy-duty loads, this fuse is ideal for applications such as forklift trucks, battery hand trucks, and motorized work platforms. Its rugged construction and stud-mounted, bolt-in design ensure long operational life even in adverse industrial environments. The ACK140 offers robust protection with a voltage rating of 125V AC/DC and an amperage rating of 140A. It features an interrupting rating (IR) of 10kA AC/DC, providing reliable safety for your critical systems. This fuse is a UL recognized component, ensuring adherence to safety standards. Mersen's Forklift Truck and Battery Isolator fuses, including the ACK series, are built to fulfill a wide range of heavy-duty circuit protection requirements for systems operating up to 125V AC or DC. The ACK fuses, in particular, combine higher voltage and ampere ratings with higher interrupting ratings compared to some other models in the series. Ensure your industrial vehicles and battery systems are protected with the dependable performance of the Mersen ACK140.
  • Mersen ACK140 Forklift Truck Fuse
  • 125VAC / 125VDC Voltage Rating
  • 140A Amperage Rating
  • Time-Delay Functionality
  • 10kA AC/DC Interrupting Rating (IR)

Specifications

AC Voltage Rating
125 V
Amperage Rating
140 A
Application
Forklift trucks Battery hand trucks Motorized work platforms Battery systems
Body Material
PolyTube
Brand Name
Mersen
Connection
Blade
Connection Material
Copper
Current Rating
140A
DC Voltage Rating
125 V
Interrupt Rating
10 kA
Mounting
Bolted
Mounting Type
Stud mounted bolt-in
Series
ACK
Size
4.71 x 1.12 in
Size
119.634 x 28.448 mm
Special Features
All fuses are AC and DC rated Expanded ampere ratings Time-delay and general purpose types
Standard
UL recognized components (All Products) File E60314
Type
Forklift Truck Fuses
Voltage Rating
125 VAC
Package Dimensions (L x W x H)
4.71 in x 1.12 in x 1.12 in
Package Dimensions (L x W x H)
119.634 mm x 28.448 mm x 28.448 mm
Package Weight (Imperial)
0.250 lb
Package Weight (Metric)
0.113 kg
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.