Mersen Q1030529 - DIN NH Standard fuse-link gTr Size NH2 400VAC 289A 200KVA isolated tags Center indicator Body width 53.10 mm
Mersen

Q1030529

Alternate Item Number: NH22GTR200KVA-1


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Specification Sheet

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Overview

The Mersen Q1030529 DIN NH2 fuse-link (gTr series) is a high-performance transformer protection device designed for 400VAC systems. Rated at 289A with a nominal capacity of 200kVA, this fuse-link features isolated tags and a center indicator for clear status visibility. The NH2 size ensures compatibility with standard NH fuse bases, while the plug-in mounting type simplifies installation and replacement. Engineered for transformer protection, the gTr series offers a time/current characteristic optimized for transformer overload conditions, providing superior selectivity compared to standard gG fuse-links. The fuse can sustain 1.3 times its nominal current for up to 10 hours and operates within 2 hours at 1.5 times the nominal transformer current, ensuring reliable protection during transient overloads. With a body width of 53.10mm and a package weight of 0.5kg, this fuse-link is compact yet robust, suitable for industrial and commercial applications. The isolated tags design enhances safety by preventing accidental contact during handling or installation. As part of the NH system, this fuse-link integrates seamlessly with Mersen's NH fuse bases, replacement devices, and phase barriers, offering a complete solution for transformer protection. The Q1030529 is manufactured in France by Mersen, a leader in electrical protection solutions, and is distributed globally for reliable performance in demanding environments.
  • Rated for 400VAC systems with 289A current capacity
  • 200kVA nominal transformer capacity with 16W power dissipation
  • Isolated tags and center indicator for enhanced safety and visibility
  • NH2 size with 53.10mm body width for standard NH fuse base compatibility
  • Plug-in mounting type with 1.3x nominal current tolerance for 10 hours

Specifications

AC Voltage Rating
400 V
Amperage Rating
289 A
Application
Protection of transformers
Body Material
Ceramic
Brand Name
Mersen
Connection
Plain Blades
Connection Material
Silver-Plated Copper
Interrupt Rating
100 kA
Mounting
Clip
Size
5.91 x 2.09 x 2.91 in
Size
150 x 53 x 74 mm
Special Features
Maximum transformer capacity (up to 1,3 x In) Reduction of unnecessary interruption of operation Precise cut off of overload Characteristic adapted to the transformer Resistant to ageing Selectivity to fuse links gG High current limiting High breaking capacity Easy selection between transformer and fuse link
Standard
VDE 0636 Part 201 IEC 60269-1 and -2
Type
IEC NH Fuse-Links
Type Of Indicators
Center indicator
Package Dimensions (L x W x H)
5.91 in x 2.09 in x 2.91 in
Package Dimensions (L x W x H)
150 mm x 53 mm x 74 mm
Package Weight (Imperial)
1.102 lb
Package Weight (Metric)
0.500 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.

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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.