Mersen D227864 DIN NH Standard fuse-link aM Size NH00 690VAC 50A live tags Double indicator Body width…
Alternate Item Number: NH00AM69V50
Documents & Media
Contact for Pricing
Minimum Qty: 3
Multiplier: 3
*Contact for lower quantities*
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Mersen NH00 aM fuse-link for motor circuit protection
- Rated for 690 VAC and 50 A
- Features double indicators and live gripping lugs
- Partial-range breaking capacity, highly current-limiting
- 30 mm body width, plug-in mounting with blade contacts
Specifications
AC Voltage Rating | 690 V |
Amperage Rating | 50 A |
Application | aM: Partial purpose, motor circuit protection |
Body Material | Ceramic |
Brand Name | Mersen |
Connection | Plain Blades |
Connection Material | Silver-Plated Copper |
Interrupt Rating | 80 kA |
Mounting | Clip |
Size | 3.09 x 1.18 x 2.36 in |
Size | 78.5 x 30 x 60 mm |
Special Features | Dimensions according to DIN 43 620 parts 1 to 4 Non-isolated gripping lugs 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 | 500 VAC |
Package Dimensions (L x W x H) | 3.09 in x 1.18 in x 2.36 in |
Package Dimensions (L x W x H) | 78.5 mm x 30 mm x 60 mm |
Package Weight (Imperial) | 0.441 lb |
Package Weight (Metric) | 0.200 kg |

GPM-SRR90
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
C331156
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
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
What is the rated voltage for these NH fuse-links?
The rated voltage for these NH fuse-links is 690 VAC according to IEC standards.
What is the ampere range for the NH fuse-links?
The NH fuse-links are available in an ampere range from 2 A to 500 A.
What is the breaking capacity of these fuse-links?
The rated breaking capacity for these NH fuse-links is 80 kA AC according to IEC standards.
What materials are the body and contacts made of?
The body material is ceramic, and the contact materials are copper, silver-plated.
What sizes are available for the NH fuse-links?
The NH fuse-links are available in sizes 000, 00, 0, 1, 2, and 3.
What standards do these fuse-links comply with?
These fuse-links comply with VDE 0636 Part 201 and IEC 60269-1 and -2 standards.
Are these fuse-links suitable for overload protection?
No, these 'aM' type fuse-links are for short-circuit protection only and must be associated with other switchgear for overload protection.
What is the purpose of the double indicator?
The double indicator signals the conduction of the fuse-link; the red indicator is visible during conduction and not visible after operation.
What are these NH fuse-links used for?
These 'aM' type NH fuse-links are used for partial-purpose motor circuit protection due to their current-limiting capabilities.
What are the dimensions of the Size 000 fuse-link?
The Size 000 fuse-link has a width of 21 mm and a length of 78.5 mm +/- 1.5 mm.
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.






