Mersen NLS600 - Neutral link used to replace Class H fuses . 600V 600A
Mersen

NLS600

Alternate Item Number: 782001712839

UPC: 782001712839

Contact for Pricing

Overview

The Mersen NLS600 (SKU: NLS600) is a 600V, 600A neutral link designed for IEC low-voltage systems. It serves as a direct replacement for Class H fuses, ensuring reliable neutral connections and maintaining electrical continuity in industrial applications. The NLS600 is compatible with multiple Mersen fuse-link series, including A1 (32A, 550V), A2 (32A, 690V), A3 (63A, 690V), A4 (125A, 690V), and F2 (63A, 550V). Its front-back stud connection offers installation flexibility for both new systems and retrofits, making it suitable for motor control centers and general low-voltage power distribution. Manufactured in the US, the NLS600 meets industrial quality standards for dependable electrical pathways and consistent system uptime. Key specifications include a 600V voltage rating and a 600A current rating, with a front-back stud connection type for versatile mounting. This neutral link provides a modern solution for transitioning from older Class H fuse technology while maintaining safety and compliance in low-voltage electrical systems. The NLS600 is designed to replace Class H fuses and is rated for 600V and 600A. It is compatible with Mersen fuse-link series such as A1, A2, A3, A4, and F2. The product features a front-back stud connection for flexible installation. Manufactured in the US.
  • 600V voltage rating
  • 600A current rating
  • Direct replacement for Class H fuses
  • Front-back stud connection for flexible mounting
  • Compatible with Mersen A1, A2, A3, A4, and F2 fuse-link series

Specifications

Amperage Rating
600 A
Application
Used in place of a fuse
Brand Name
Ferraz Shawmut
Connection Type
Front-back stud
Connection Type
Front-back stud connections
Current Rating
600 A
Material
Copper
Material
Not explicitly stated
Material
Metal
Mounting Type
BS88 fuse-holder compatible
Mounting Type
front-back stud mounting
Mounting Type
BS88 fuse-holder
Mounting Type
Not explicitly stated
Poles
1
Poles
1P
Series
BS Low Voltage Fuse System
Series
IEC BS Low Voltage Fuse System
Series
NLS600
Series
BS-System
Series
NLS
Size
Not explicitly stated
Type
Neutral Link
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
13.375 IN x 2 IN x 0.25 IN
Package Dimensions (L x W x H)
33.9725 cm x 5.08 cm x 6.35 mm
Package Weight (Imperial)
1.520 L
Package Weight (Metric)
0.689 kg
Neutral link used to replace Class H fuses . 600V 400A

NLS400

Neutral link used to replace Class H fuses . 600V 400A

Frequently Asked Questions

What is the voltage rating of the NLS600?

The NLS600 has a rated voltage of 600V AC.

What is the current rating of the NLS600?

The NLS600 has a rated current of 600A.

What fuse types is the NLS600 compatible with?

The NLS600 is compatible with IEC BS Low Voltage Fuse System types A1 (32A, 550V), A2 (32A, 690V), A3 (63A, 690V), A4 (125A, 690V), and F2 (63A, 550V).

Does the NLS600 support flexible wiring configurations?

Yes, the NLS600 provides front-back stud connections for flexible wiring configurations.

Where can the NLS600 be used?

The NLS600 is suitable for industrial power distribution, motor control centers, and general low-voltage power systems.

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.