Mersen CNL400DIN - Forklift Truck DIN CNN and CNL fuses 80VAC 80VDC 400A DIN Type Blades
Mersen

CNL400DIN

Alternate Item Number: CNL400DIN


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Specification Sheet

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Overview

The Mersen CNL400DIN is a specialized fuse designed for the demanding DC battery loads found in industrial equipment like forklift trucks, hand trucks, and motorized work platforms. Manufactured by Mersen, this fuse (SKU: CNL400DIN) offers robust protection for heavy-duty circuits up to 80V AC or DC. Its DIN type blade design ensures compatibility with SFBT fuse bases conforming to DIN 43560 dimensions, making it a space-saving solution. The CNL series fuses feature a lower voltage rating compared to other forklift truck fuses but are UL recognized and provide visual 'see-thru' indication, allowing for quick identification of blown fuses. This feature enhances operational efficiency and simplifies maintenance by providing clear visual confirmation of fuse status. The rugged construction and stud-mounted bolt-in design contribute to a long service life, even in adverse operating conditions typical of industrial environments. This fuse is ideal for ensuring the reliable and safe operation of DC battery-powered systems where circuit protection is paramount. Its specific application in forklift trucks and similar equipment highlights its capability to handle significant current surges and continuous loads associated with these types of vehicles. The UNSPSC code for this product is 39121606, and it is manufactured in the US.
  • Designed for forklift trucks and DC battery equipment
  • 80VAC / 80VDC voltage rating
  • 400A current rating
  • DIN Type Blades for DIN 43560 fuse bases
  • Visual 'see-thru' indication of fuse operation

Specifications

AC Voltage Rating
80 V
Amperage Rating
400 A
Application
Battery systems Forklift trucks Battery hand trucks Motorized work platforms
Brand Name
Mersen
Connection
DIN Type Blades
Connection Material
Silver-Plated Copper
Connection Type
Stud Mounted Bolt-In
Current Rating
400A
DC Voltage Rating
80 V
Mounting Type
Stud mounted bolt-in
Series
CNN and CNL
Size
3.21 x 0.89 x in
Size
81.5 x 22.6 x mm
Size
DIN Type Blades
Special Features
All fuses are AC and DC rated Expanded ampere ratings General purpose types Link is visible through window
Standard
UL Recognized
Type
Forklift Truck Fuses
Voltage Rating
80VAC 80VDC
Package Weight (Imperial)
0.066 lb
Package Weight (Metric)
0.030 kg
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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

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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.