Mersen R1204180 Photovoltaic fuse gG Size NH3 200A With Double indicator With Plain Blades For Clip
Alternate Item Number: NH3GG80V200
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Overview
- Mersen NH3L gG photovoltaic fuse-link
- 200A nominal current rating
- 800VAC operating voltage
- Full-range breaking capacity (gG type)
- Double indicator for operational status
- Plain blades for secure mounting
- Designed for photovoltaic (PV) systems
- Compatible with DC/800VAC solar inverters
Specifications
AC Voltage Rating | 200 V |
Amperage Rating | 200 A |
Application | General purpose cable and line protection at 800VAC Solar installation AC combiner box |
Brand Name | Mersen |
Class | Photovoltaic |
Connection | Plain Blades |
Connection Material | Silver-Plated Copper |
Connection Type | Plain Blades for Clip |
Current Rating | 200 A |
Interrupt Rating | 120 kA |
Mounting | Clip |
Series | NH |
Size | 5.91 x 2.01 x 2.83 in |
Size | 150 x 51 x 72 mm |
Size | NH3 |
Special Features | Low fault current interrupting capability Temperature cycle withstand capability Durable construction for enhanced system longevity High efficiency with low power losses |
Standard | IEC 60269-2 RoHS compliance |
Sub Brand | HelioProtection® |
Type | Photovoltaic Fuses |
Type Of Indicators | Double indicator |
Voltage Rating | 800 VAC |
Package Dimensions (L x W x H) | 5.91 in x 2.01 in x 2.83 in |
Package Dimensions (L x W x H) | 150 mm x 51 mm x 72 mm |
Package Weight (Imperial) | 1.731 lb |
Package Weight (Metric) | 0.785 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.Frequently Asked Questions
What is the ampere range for the R1204180 fuse-link?
The R1204180 fuse-link has a rated current of 200 A and falls within the 200-315 A range.
What is the power dissipation for the 200A fuse-link at rated current?
The power dissipation for the 200A fuse-link at its rated current is 14.5 W.
What is the pre-arcing I²t for the 200A fuse-link?
The pre-arcing I²t for the 200A fuse-link is 70 kA²s.
What is the clearing I²t for the 200A fuse-link?
The clearing I²t for the 200A fuse-link is 690 kA²s.
What is the rated voltage for these NH fuse-links?
The HelioProtection® NH fuse-links have a rated voltage of 800 VAC.
What is the breaking capacity of the NH gG 800VAC fuse-links?
The breaking capacity for these fuse-links is 120 kA.
What is the width of the NH3C size 3C Plain Blade fuse-link?
The width of the NH3C size 3C Plain Blade fuse-link is 65 mm.
What is the weight of a package of three 200A fuse-links?
A package of three 200A fuse-links weighs 0.79 kg.
What standards do these fuse-links comply with?
The fuse-links comply with IEC 60269-2 and RoHS.
What is the characteristic of the HelioProtection® NH fuse-links?
The characteristic of these fuse-links is gG.
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.









