Mersen NRS100 - Fuse NRS - Class H 600VAC 100A Blade
Mersen

NRS100

Alternate Item Number: NRS100

UPC: 068938830694


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Overview

The Mersen NRS100 is a Class H blade fuse designed for standard non-time delay applications, providing reliable short-circuit protection in industrial electrical systems. This fuse is rated for 600VAC and has a 100A current capacity. It features a 10kA interrupting rating, ensuring safety during fault conditions. Manufactured by Mersen with SKU NRS100, this fuse meets UL and CSA certification standards. The NRS100 serves as a direct replacement for Class H fuse applications requiring 100A continuous current and 10kA fault current interruption. It is commonly utilized in panelboards, motor control centers, and distribution equipment where Class H fuses are specified. The NRS series from Mersen offers robust protection for essential electrical infrastructure. Its blade connection type ensures secure and straightforward installation within compatible fuse holders. This specific model, NRS100, is engineered for 600-volt systems, making it suitable for medium-voltage industrial applications. The 100-ampere rating allows for significant current handling while maintaining protective capabilities. Compliance with UL and CSA standards underscores its reliability and adherence to safety regulations in North American markets. For applications demanding dependable Class H fuse performance, the Mersen NRS100 is a proven choice.
  • 600 VAC Voltage Rating
  • 100 A Current Rating
  • Blade Connection Type
  • Class H Fuse
  • 10kA Interrupting Rating
  • UL/CSA Certified
  • Manufactured by Mersen (SKU: NRS100)

Specifications

AC Voltage Rating
600 V
Amperage Rating
100 A
Application
General-Purpose Circuits Lighting Circuits Resistive Loads Small Appliance Circuits Control Panels (Legacy) Light-Duty Distribution Equipment
Body Material
PolyTube
Brand Name
Mersen
Class
Class H
Connection
Blade
Connection Material
Copper
Current Rating
100A
Fuse Class
Class H
Interrupt Rating
10 kA
Mounting
Clip
Size
7.88 x 1.38 in
Size
200.152 x 35.052 mm
Special Features
Non-time delay 250V and 600V applications
Standard
Type "P" (15 - 60A)
Type
HRC Fuses
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
7.88 in x 1.38 in x 1.38 in
Package Dimensions (L x W x H)
200.152 mm x 35.052 mm x 35.052 mm
Package Weight (Imperial)
0.550 lb
Package Weight (Metric)
0.249 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

What is the voltage rating of the Mersen NRS100 fuse?

The Mersen NRS100 fuse has a voltage rating of 600 VAC.

What is the current rating for the NRS100 fuse?

The Mersen NRS100 fuse is rated for 100 Amperes.

What type of connection does the Mersen NRS100 fuse use?

The Mersen NRS100 fuse features a blade connection type.

What is the interrupting rating of the NRS100 fuse?

The Mersen NRS100 fuse has an interrupting rating of 10kA.

Is the Mersen NRS100 fuse UL and CSA certified?

Yes, the Mersen NRS100 fuse meets UL and CSA certification standards.

What fuse class is the Mersen NRS100?

The Mersen NRS100 is a Class H fuse.

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.