Mersen X076173 - High performance square body fuse-link Protistor® Size 93 aR 1500VAC IEC 750A With Striker Flush ends metric threads
Mersen

X076173

Alternate Item Number: PC93UB15C750TF


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Overview

The Mersen Protistor® X076173 is a high-performance square body fuse-link designed for AC protection, specifically engineered for semiconductor applications. This aR-rated fuse-link operates at 1500VAC (IEC) and features a rated current of 750A. Its robust construction includes pure silver die-cut elements embedded in solidified sand, ensuring controlled arcing characteristics for low I²t values and high breaking capacity. The fuse-link boasts a rated breaking capacity of 150 kA at its rated voltage, providing critical protection for sensitive semiconductor devices such as SCRs, diodes, thyristors, GTOs, and IGBTs. The Protistor® X076173 is built with flush ends and metric threads for secure and reliable mounting. It is equipped with a low-voltage trip-indicator, which can activate a field-mountable microswitch, allowing for easy monitoring even while the fuse is in service. This feature enhances operational safety and simplifies maintenance. The Mersen Protistor® series offers flexibility in equipment design with various body sizes and mounting styles, and the X076173, with its specific size and ratings, is ideal for applications demanding precise and reliable overcurrent protection in power conversion systems. Manufacturer: Mersen. SKU: X076173. UNSPSC Code: 39121628. Country of Origin: US.
  • Mersen Protistor® aR fuse-link for AC protection
  • Rated voltage: 1500VAC (IEC)
  • Rated current: 750A
  • Size 93 square body with flush ends and metric threads
  • High breaking capacity (150 kA) and low I²t for semiconductor protection
  • Equipped with a low-voltage trip-indicator

Specifications

AC Voltage Rating
1500 V
Amperage Rating
750 A
Application
Protection of rectifiers, inverters, DC drivers, UPS systems, reduces voltage motor starters and other equipment in globally accepted aplications.
Brand Name
Mersen
Case
Ceramic
Connection
End Contact with Threaded Holes
Connection Type
metric threads
Current Rating
750 A
Material
Silver
Mounting
Bolted
Mounting Type
Flush ends
Series
Protistor® PSC
Size
Size 93
Size
3.98 x 2.93 x 3.37 in
Size
101 x 74.5 x 85.5 mm
Special Features
Extremely fast acting Current limiting Very low l²t Worldwide acceptability Superior cycling ability Choice of mounting styles Broad range of ampere rating
Standard
IEC 60269.4
Sub Brand
Protistor®
Type
High performance square body fuse-links AC protection
Type Of Indicators
Striker
Voltage Rating
1500 VAC
Voltage Rating
1500 V
Wattage
143 W
Package Dimensions (L x W x H)
3.98 in x 2.93 in x 3.37 in
Package Dimensions (L x W x H)
101 mm x 74.5 mm x 85.5 mm
Package Weight (Imperial)
3.578 lb
Package Weight (Metric)
1.623 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.
9F61 Size B Clips 1.6in

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9F61 Size B Clips 1.6in

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.