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Mersen V229742 - DIN NH Standard fuse-link gG Size NH1 690VAC 400VDC 25A isolated tags Double indicator Body width 30 mm
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Mersen V229742 DIN NH Standard fuse-link gG Size NH1 690VAC 400VDC 25A isolated tags Double indicator…

Alternate Item Number: NH1GG69V25-1


Documents & Media
Specification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen V229742 is a DIN NH Standard fuse-link, specifically a gG type, designed for robust protection in industrial electrical systems. This NH1 size fuse-link features isolated tags and a double indicator, providing clear visual confirmation of its status. With a voltage rating of 690VAC and 400VDC, and a current rating of 25A, it is engineered to safeguard cables and equipment from overcurrents and short circuits. The NH system, classified as a plug-in fuse system, comprises a fuse-base, fuse-link with blade contact, and a fuse-link replacement device. The Mersen V229742 integrates seamlessly into this system, offering reliable performance. The gG type fuse-links are full-range breaking capacity devices, meaning they can interrupt any current surge from the lowest fusing current up to their maximum breaking capacity. This capability allows them to be used as standalone protection for cables and equipment, effectively preventing damage from electrodynamic effects of very high short-circuit currents. Key specifications include its NH1 size, 30 mm body width, and blade contact connection type. The plug-in mounting type ensures straightforward installation within compatible fuse bases. It is crucial to note that due to the design of the NH system, which cannot guarantee non-interchangeability of rated current, handling and replacement must be performed by a qualified professional. The Mersen V229742 (SKU: V229742) is an essential component for maintaining the safety and operational integrity of industrial electrical setups, offering dependable protection against electrical faults.
  • Mersen V229742 NH1 fuse-link with gG characteristics
  • Rated for 690VAC and 400VDC operation
  • 25A current rating for reliable protection
  • Features isolated tags and double indicator for status visibility
  • 30 mm body width with blade contact connection

Specifications

AC Voltage Rating
690 V
Amperage Rating
25 A
Application
gG: general purpose cable and line protection
Body Material
Ceramic
Brand Name
Mersen
Connection
Plain Blades
Connection Material
Silver-Plated Copper
DC Voltage Rating
400 V
Interrupt Rating
80 kA
Mounting
Clip
Size
5.31 x 1.18 x 2.52 in
Size
135 x 30 x 64 mm
Special Features
Dimensions according to DIN 43 620 Parts 1 to 4 Isolated metal gripping lugs (SGL) Double indicator 0 cadmium
Standard
VDE 0636 Part 201 IEC 60269-1 and -2
Type
IEC NH Fuse-Links
Type Of Indicators
Double indicator
Package Dimensions (L x W x H)
5.31 in x 1.18 in x 2.52 in
Package Dimensions (L x W x H)
135 mm x 30 mm x 64 mm
Package Weight (Imperial)
0.639 lb
Package Weight (Metric)
0.290 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

What is the rated voltage for these NH fuse-links?

The rated voltage for these NH fuse-links is 690 VAC and ranges from 250 VDC to 400 VDC depending on the size.

What is the ampere range for the NH fuse-links?

The NH fuse-links have an ampere range from 2 A to 425 A, varying by size.

What is the breaking capacity of these fuse-links?

The rated breaking capacity for all sizes (000 to 3) is 80 kA for both AC and DC.

What materials are used for the body and contacts?

The body material is ceramic, and the contact materials are copper, silver-plated.

What is the typical application for gG type NH fuse-links?

gG type NH fuse-links are used for general purpose cable and line protection.

What standards do these NH fuse-links comply with?

These NH fuse-links comply with VDE 0636 Part 201 and IEC 60269-1 and -2 standards.

What are the main features of these NH fuse-links?

Features include dimensions according to DIN 43620, isolated metal gripping lugs, a double indicator, and 0% cadmium.

What is the purpose of the double indicator?

The double indicator signals the conduction of the fuse-link. After operation, the red indicator is no longer visible.

What is the maximum rated current for size 2 fuse-links?

The maximum rated current for size 2 fuse-links is 355 A.

What is the maximum rated current for size 3 fuse-links?

The maximum rated current for size 3 fuse-links is 425 A.

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.