Mersen A055C1D0R0-200E - Medium Voltage E-Rated Fuse 5500VAC 200A Clip-lock Series: D0R0 Visual Indicator Amp-Trap®
Mersen

A055C1D0R0-200E

Alternate Item Number: A055C1D0R0-200E

UPC: 782001803933


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Overview

The Mersen Amp-Trap® Medium Voltage Fuse (SKU A055C1D0R0-200E) provides essential overload and short-circuit protection for critical industrial power systems. This general-purpose, current-limiting fuse is designed to melt at currents as low as 1.7 times its rated current, offering reliable protection up to its maximum interrupting rating. Engineered to withstand transformer magnetizing inrush currents, these fuses are vital for maintaining system integrity and preventing damage. The D0R0 series features a 3-inch diameter barrel and utilizes a unique clip-lock mounting system for superior electrical connections, ensuring both ease of installation and reliable replacement. Available in single, double, or triple barrel configurations, this E-rated fuse operates at 5500VAC and 200A, offering robust protection for demanding industrial applications. Manufactured in the US, Mersen Amp-Trap fuses are a trusted choice for reliable power system protection.
  • 5500VAC, 200A E-rated protection
  • Current-limiting for overload and short-circuit protection
  • D0R0 Series with 3-inch barrel diameter
  • Clip-lock mounting system for reliable connections
  • Visual indicator for status monitoring

Specifications

AC Voltage Rating
5500 V
Amperage Rating
200 A
Application
Protection for 5.5kV to 15.5kV transformers or distribution systems
Body Material
PolyTube
Brand Name
Mersen
Connection
Blade
Connection Material
Silver-Plated Copper
Connection Type
Clip-lock
Current Rating
200 A
Interrupt Rating
63 kA
Mounting
Clip-lock
Mounting Type
Clip-lock series D0R0
Mounting Type
Clip-lock series
Mounting Type
Clip-lock mounting system
Mounting Type
Clip-lock
Series
D0R0
Size
3-inch diameter barrel
Size
3-inch diameter
Size
22.81 x 3 in
Size
579.374 x 76.2 mm
Special Features
UL listed for compatibility with UL listed equipment Clip-lock mounting for reliable high integrity connection into circuit Current-limiting for superior equipment protection Non-venting for silent operation Metal embossed catalog number and manufacturing date for lasting identification Blown-fuse indicator to give positive identification of open fuse 2 lb tripped force - 0.50 Inch
Standard
Some UL Listed to standard File E143362
Sub Brand
Amp-Trap®
Type
General Purpose Clip-Lock Fuses for Transformer Protection
Type Of Indicators
Visual Indicator
Voltage Rating
5500 VAC
Package Dimensions (L x W x H)
22.81 in x 3 in x 3 in
Package Dimensions (L x W x H)
579.374 mm x 76.2 mm x 76.2 mm
Package Weight (Imperial)
15.000 lb
Package Weight (Metric)
6.804 kg
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9F61 Size B Clips 1.6in

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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.

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.