Mersen M229712 - DIN NH Standard fuse-link gG Size NH000 690VAC 250VDC 32A isolated tags Double indicator Body width 21mm
Mersen

M229712

Alternate Item Number: NH000GG69V32-1


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Specification Sheet

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Overview

The Mersen M229712 DIN NH000 fuse-link (SKU: M229712) is a gG-rated high-breaking capacity fuse designed for industrial and electrical distribution systems. Rated for 32A continuous current, it handles up to 690VAC and 250VDC, making it suitable for both AC and DC applications. The fuse-link features isolated tags and a 21mm body width, ensuring compatibility with standard NH000 fuse bases. Type gG fuse-links provide full-range breaking capacity, interrupting currents from the lowest fusing level up to their rated breaking capacity without additional protection devices. This eliminates the need for supplementary circuit breakers in many installations, reducing system complexity and cost. The NH system, including the M229712, is a plug-in fuse system widely used in switchgear, motor control centers, and industrial panelboards. Designed for qualified professionals, the NH000 size ensures precise fitment in DIN-compliant fuse bases. The fuse-link’s gG classification indicates it protects both cables and equipment from overloads and short circuits, including high electrodynamic stresses. Mersen, a leader in electrical protection, manufactures this fuse-link in France, adhering to stringent industrial standards.
  • Rated 32A continuous current with gG full-range breaking capacity
  • Operates at 690VAC and 250VDC for AC/DC compatibility
  • 21mm body width fits standard NH000 fuse bases
  • Isolated tags for safe handling and installation
  • Manufactured by Mersen in France to industrial standards

Specifications

AC Voltage Rating
690 V
Amperage Rating
32 A
Application
gG: general purpose cable and line protection
Body Material
Ceramic
Brand Name
Mersen
Connection
Plain Blades
Connection Material
Silver-Plated Copper
Current Rating
32A
DC Voltage Rating
250 V
Interrupt Rating
80 kA
Mounting
Clip
Series
NH
Size
NH000
Size
3.09 x 0.83 x 2.07 in
Size
78.5 x 21 x 52.5 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
Voltage Rating
690 VAC
Package Dimensions (L x W x H)
3.09 in x 0.83 in x 2.07 in
Package Dimensions (L x W x H)
78.5 mm x 21 mm x 52.5 mm
Package Weight (Imperial)
0.309 lb
Package Weight (Metric)
0.140 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.

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.
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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.