Mersen F217700 - The Mersen F217700 is a high-quality industrial component designed for demanding applications. Engineered for reliability and durability, this product meets stringent performance standards, ensuring optimal operation in harsh environments. Trusted by professionals worldwide, Mersen's F217700 delivers consistent performance and long-term value. Whether for manufacturing, energy, or industrial automation, this component is built to withstand rigorous conditions while maintaining precision and efficiency.
Mersen

F217700

Alternate Item Number: 3605340239300

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Minimum Qty: 10

Multiplier: 10

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Overview

The Mersen F217700 is a high-speed fuse engineered for industrial power distribution systems where rapid fault interruption and high interrupting ratings are critical. Specifically rated for 6.9kV systems, it supports current ratings ranging from 25A to 400A, ensuring compatibility with a wide range of applications. This fuse meets both UL and IEC standards, guaranteeing reliability in harsh environments where extreme temperatures, vibrations, and electrical stress are common. Designed to protect critical infrastructure, the F217700 is ideal for power generation facilities, chemical processing plants, and heavy machinery operations where unplanned downtime is not an option. The F217700 features a compact and robust design, allowing for seamless integration into switchgear, motor control centers, and automation systems without compromising space or performance. Its high interrupting capacity ensures system safety by quickly clearing faults, minimizing equipment damage and operational disruptions. Manufactured in the US, this fuse adheres to stringent quality controls and is distributed globally, backed by Mersen’s decades of expertise in electrical protection solutions. Suitable for both outdoor and indoor applications, the F217700 is a trusted choice for engineers and procurement professionals seeking a durable, high-performance solution for mission-critical systems. With a focus on precision and efficiency, this fuse delivers long-term value and operational reliability in demanding industrial environments.
  • Rated for 6.9kV systems with current ratings from 25A to 400A
  • High interrupting capacity for rapid fault clearing in critical applications
  • UL and IEC certified for global compliance and safety
  • Compact design for easy integration into switchgear and motor control centers
  • Manufactured in the US with Mersen’s legacy of electrical protection expertise
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

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Control Transformer Accessories - Secondary Fuse Kit 3

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Control Transformer Accessories - Secondary Fuse Kit 3
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The Littelfuse 600 V in-line watertight fuse holders are the ideal answer for all high humidity and corrosive environments where fuses are required. Available in both breakaway and non-breakaway, single and double pole versions, these fuse holders allow maximum flexibility for any application.
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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.