Mersen A051B1DHRN-3R - R-Rated MV Fuse 5080VAC 3R Mounting: Bolted Style: DHRN
Mersen

A051B1DHRN-3R

UPC: 782001501525


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Overview

The Mersen A051B1DHRN-3R is a premium-grade industrial component engineered to meet the rigorous demands of modern power distribution, automation, and critical infrastructure systems. Designed by Mersen, a globally recognized leader in electrical protection and industrial solutions, this component delivers uncompromising reliability in environments where failure is not an option. Built to withstand extreme temperatures, mechanical stress, and electrical loads, the A051B1DHRN-3R ensures consistent performance in sectors such as manufacturing, energy, transportation, and heavy machinery. Its robust construction incorporates high-grade materials and precision engineering to resist corrosion, wear, and operational fatigue, making it an ideal choice for OEMs and system integrators seeking long-term durability. This component is specifically tailored for high-performance applications where operational continuity is paramount. Whether deployed in motor control centers, switchgear assemblies, or automation control panels, the A051B1DHRN-3R provides the stability and responsiveness required to maintain system integrity under variable load conditions. Its design adheres to stringent industry standards, including UL, IEC, and NEMA certifications, ensuring compatibility with global electrical systems and compliance with safety regulations. Professionals in industrial automation, electrical contracting, and facility management rely on Mersen’s components for their proven track record in reducing unplanned downtime and enhancing system efficiency. Key applications include: - Industrial automation systems requiring high-precision electrical components - Power distribution networks in commercial and industrial facilities - Critical infrastructure such as data centers, hospitals, and transportation hubs - Heavy-duty machinery and equipment where electrical reliability is non-negotiable Installation and maintenance are streamlined thanks to Mersen’s engineering focus on accessibility and serviceability. The component’s modular design allows for quick integration into existing systems, while its durable housing minimizes the need for frequent replacements. Mersen’s reputation for innovation and quality is built on decades of expertise in electrical protection and industrial components, making the A051B1DHRN-3R a trusted solution for engineers and procurement professionals who prioritize performance, safety, and longevity. By choosing Mersen, you invest in a component that not only meets today’s operational demands but also supports future scalability and compliance with evolving industry standards.
  • High-performance industrial component designed for automation and power distribution
  • Engineered for reliability in harsh environments with extreme temperatures and mechanical stress
  • Compliant with UL, IEC, and NEMA standards for global electrical system compatibility
  • Reduces unplanned downtime with robust construction and precision engineering
  • Trusted by OEMs and system integrators for long-term operational stability

Specifications

Type
Back-Up R-Rated Bolt-On Fuses for Motor Protection
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 Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in
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.

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.