Mersen E229774 DIN NH Standard fuse-link gG Size NH3 690VAC 250VDC 400A isolated tags Double indicator…
Alternate Item Number: NH3GG69V400-1
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Rated current: 400A for high-current industrial applications
- Voltage rating: 690VAC / 250VDC for versatile system compatibility
- Breaking capacity: 80 kA for robust short-circuit protection
- Double indicator system for clear status visibility
- Isolated gripping-lugs for enhanced safety during handling
- Body width: 70mm for compact panel integration
- NH3 size for compatibility with DIN NH fuse-bases
- gG type for general-purpose protection of cables and equipment
Specifications
AC Voltage Rating | 690 V |
Amperage Rating | 400 A |
Application | gG: general purpose cable and line protection |
Body Material | Ceramic |
Brand Name | Mersen |
Connection | Plain Blades |
Connection Material | Silver-Plated Copper |
Connection Type | Blade contacts |
Current Rating | 400A |
DC Voltage Rating | 250 V |
Interrupt Rating | 80 kA |
Mounting | Clip |
Mounting Type | Plug-in |
Series | NH |
Size | 5.91 x 2.83 x 3.5 in |
Size | 150 x 72 x 89 mm |
Size | NH3 |
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) | 5.91 in x 2.83 in x 3.5 in |
Package Dimensions (L x W x H) | 150 mm x 72 mm x 89 mm |
Package Weight (Imperial) | 2.315 lb |
Package Weight (Metric) | 1.050 kg |
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Frequently Asked Questions
What is the body width of the E229774 fuse-link?
The body width measures 70mm, optimized for compact integration in industrial panels.
What voltage ratings does the E229774 support?
The fuse-link operates at 690VAC and 250VDC, providing versatile compatibility in industrial systems.
What is the current rating of the E229774?
The rated current is 400A, suitable for high-current industrial applications.
Is the E229774 compatible with DIN NH fuse-bases?
Yes, the E229774 is a size NH3 fuse-link designed for plug-in installation in compatible DIN NH fuse-bases.
What is the rated breaking capacity of the E229774?
The rated breaking capacity is 80 kA at 690VAC, ensuring robust protection against short-circuit currents.
What is the indication system on the E229774?
The fuse-link features a double indicator system for clear visual confirmation of its operational status.
What type of protection does the gG rating provide?
The gG type offers general-purpose protection for cables and equipment, interrupting surges from the lowest fusing current up to its rated breaking capacity.
What are the isolated tags on the E229774 used for?
The isolated tags enhance safety during handling and reduce the risk of accidental contact during installation or replacement.
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.