Mersen 9F60HJD175 - Mersen fuses for the protection of transformers and distribution lines deliver overload and short circuit protection. These current-limiting fuses will melt at current that can be as low as 1.7 times the fuse current ratings up to its maximum interrupting rating. These fuses are designed to withstand the transformer magnetizing inrush current. They have 2" (size C), 3" (size D) and 2x3" (size DD) inch diameter barrels with ferrules and are mounted in spring reinforced clips. 5500 Volts 175 amps HJD series.
Mersen

9F60HJD175

Alternate Item Number: 782001460433

UPC: 782001460433

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Overview

The Mersen 9F60HJD175, part of the robust HJD Series, is engineered to provide superior overload and short-circuit protection for critical industrial assets such as transformers and distribution lines. This high-performance fuse is designed to safeguard your electrical infrastructure against damaging fault currents, ensuring operational continuity and extending equipment lifespan. Its current-limiting capabilities are paramount, allowing it to melt and interrupt fault currents at levels as low as 1.7 times its rated current of 175 amps, all while maintaining protection up to its maximum interrupting rating. This precise tripping characteristic minimizes arc energy and thermal stress on protected equipment, a crucial factor in high-voltage applications. A key design consideration for the Mersen HJD Series is its ability to withstand the significant magnetizing inrush currents characteristic of transformers. This feature prevents nuisance tripping during normal system energization, ensuring reliable operation without compromising protection against genuine fault conditions. The fuse construction features durable barrels with ferrules, available in standard industrial sizes: 2" (size C), 3" (size D), and 2x3" (size DD). These are securely mounted within spring-reinforced clips, which are essential for maintaining low contact resistance and ensuring a stable, reliable connection under demanding operating conditions. With a substantial voltage rating of 5500 Volts, the Mersen 9F60HJD175 is ideally suited for medium-voltage power systems found in a wide array of industrial sectors, including manufacturing plants, utility substations, and large commercial facilities. The selection of a fuse like the 9F60HJD175 is a critical step in system design, requiring careful consideration of the protected equipment's characteristics, including its full-load current, inrush current profile, and the available fault current at the fuse location. Mersen, a globally recognized leader in electrical protection, leverages decades of expertise to deliver fuses that meet stringent international standards and provide unparalleled reliability. Key Features and Benefits: * **Advanced Overload and Short-Circuit Protection:** Effectively shields transformers and distribution lines from damaging electrical faults. * **Current-Limiting Design:** Minimizes arc energy and thermal damage to protected equipment. * **Inrush Current Withstand Capability:** Designed to tolerate transformer magnetizing inrush without nuisance tripping. * **High Voltage Rating:** Suitable for 5500V applications, ensuring broad compatibility with medium-voltage systems. * **Durable Construction:** Features robust barrels with ferrules in standard sizes (C, D, DD) and spring-reinforced clips for secure, reliable mounting. * **Mersen Quality Assurance:** Backed by the reputation of a leading manufacturer in electrical safety and protection solutions. Choosing the Mersen 9F60HJD175 means investing in dependable protection, operational efficiency, and the longevity of your valuable electrical assets. Its meticulous design and high-quality manufacturing ensure that your power systems remain safe and operational, even under the most challenging electrical conditions. Trust Mersen for your critical protection needs.
  • Mersen HJD Series fuse for reliable overload and short-circuit protection.
  • Rated for 5500V and 175A, ideal for transformer and distribution line applications.
  • Current-limiting design melts at 1.7x rated current up to maximum interrupting rating.
  • Engineered to withstand transformer magnetizing inrush currents.
  • Available in 2" (C), 3" (D), and 2x3" (DD) barrel sizes with spring-reinforced clips.

Specifications

Amperage Rating
175 A
Application
Protection for up to 5.5 kV transformers or distribution systems.
Brand Name
Ferraz Shawmut
Connection
Ferrule
Mounting
Clip
Special Features
9F62 series are UL listed for compatibility with UL listed equipment. Amp-Trap® CS-3 series are UL listed for compatibility with UL listed equipment. Ferrule mounting for standard clips and interchangeability with other brands of fuses. Current-limiting for superior equipment protection. Non-venting for silent operation Metal embossed catalog number and manufacturing date for lasting identification. Outdoor usage for the 9F62 type EJO. Blown-fuse indicator to give positive identification of open fuse: 9F60/9F62: 0.125 lb tripped force – 0.20 Inch Amp-Trap: 2" Barrel 1 lb tripped force - 0.19 Inch Amp-Trap: 3" Barrel 2 lb tripped force - 0.50 Inch
Type
Power Distribution Fuses E-Rated
Voltage Rating
5500 VAC
Package Dimensions (L x W x H)
15.88 IN x 3 IN x 6.16 IN
Package Dimensions (L x W x H)
40.3352 cm x 7.62 cm x 15.6464 cm
Package Weight (Imperial)
15.850 L
Package Weight (Metric)
7.190 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.