Mersen M302001 - Square Body High-Speed Fuse Protistor® 2x73 aR 600VAC IEC 3200A With Striker Plates with Metric Threaded Holes
Mersen

M302001

Alternate Item Number: PC76UD60V32CP11


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Specification Sheet

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Overview

The Mersen M302001 is a Protistor® square body high-speed fuse, specifically engineered for the critical protection of power conversion equipment. This aR (ultra-fast acting) fuse operates at 600VAC and boasts a substantial interrupting rating of 3200A, ensuring robust safety for sensitive semiconductor devices. Its design incorporates striker plates with metric threaded holes for secure and reliable mounting. Engineered for the demanding requirements of semiconductor protection, including diodes, thyristors, and IGBT devices, the M302001 provides essential safety and operational continuity. The fuse-link's construction features die-cut elements embedded in solidified sand, a precise method that meticulously controls arcing characteristics. This advanced design results in a lower I²t value, contributing to its high interrupting rating and enhanced protection capabilities. All contact surfaces are silver-plated for optimal conductivity, and the hardware is constructed from non-magnetic materials to guarantee consistent and reliable performance over time. The M302001 is also designed to accommodate a low voltage trip-indicator, which can be fitted to operate a field-mountable microswitch, facilitating enhanced system monitoring and diagnostics. Key Specifications: - SKU: M302001 - Manufacturer: Mersen - Type: Protistor® Square Body High-Speed Fuse - Rating: aR (ultra-fast acting) - Voltage: 600VAC - Interrupting Rating: 3200A - Features: Striker plates with metric threaded holes, indicating capability. - Construction: Die-cut elements in solidified sand for controlled arcing, silver-plated contacts, non-magnetic hardware. - Application: Semiconductor protection (diodes, thyristors, IGBTs), power conversion equipment. - Country of Origin: Mexico.
  • Mersen Protistor® square body high-speed fuse for power conversion equipment protection.
  • aR (ultra-fast acting) fuse with 600VAC rating and 3200A interrupting capacity.
  • Equipped with striker plates featuring metric threaded holes for secure mounting.
  • Designed for semiconductor protection (diodes, thyristors, IGBTs) with low I²t value.
  • Silver-plated contact surfaces and non-magnetic hardware for reliable performance.

Specifications

AC Voltage Rating
600 V
Amperage Rating
3200 A
Application
Protection of inverters, motor drives, UPS systems and similar 690V or less equipments.
Brand Name
Mersen
Case
Ceramic
Connection
Plates with Metric Threaded Holes
Connection Type
Metric Threaded Holes
Current Rating
73 A
Current Rating
3200 A
Material
Die-cut elements in solidified sand with silver-plated contacts
Material
Silver-plated
Mounting
Bolted
Mounting Type
Striker Plates with Metric Threaded Holes
Mounting Type
Striker Plates
Series
Protistor®
Series
Protistor
Size
3.07 x 6.71 x 3.09 in
Size
78 x 170.5 x 78.5 mm
Size
Square body
Size
2x73
Special Features
Multiple body sizes and terminals or blades combination aR Class according to IEC 60269-4 and VDE 636-23 Very low I²t for improved semiconductor protection Ultra fast acting Current limiting Superior cycling capability
Standard
IEC 60269-4 Compliance
Sub Brand
Protistor®
Type
Square Body High-Speed Fuse-Links AC Protection
Type Of Indicators
Striker
Voltage Rating
600 V
Wattage
426 W
Package Dimensions (L x W x H)
3.07 in x 6.71 in x 3.09 in
Package Dimensions (L x W x H)
78 mm x 170.5 mm x 78.5 mm
Package Weight (Imperial)
6.834 lb
Package Weight (Metric)
3.100 kg
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Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

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Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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

9F61BWW460

9F61 Size B Clips 1.6in

Frequently Asked Questions

What is the voltage rating of the Mersen M302001 fuse?

The Mersen M302001 Protistor® fuse has an operating voltage rating of 600VAC.

What is the interrupting rating of this high-speed fuse?

The Mersen M302001 features a high interrupting rating of 3200A.

What type of protection does the M302001 offer?

This fuse is designed for ultra-fast acting (aR) protection, specifically for semiconductor devices like diodes, thyristors, and IGBTs.

Does the M302001 fuse have striker plates?

Yes, the Mersen M302001 is equipped with striker plates that have metric threaded holes for secure mounting.

Can the M302001 fuse be fitted with a trip indicator?

Yes, the M302001 can be fitted with a low voltage trip-indicator to operate a field-mountable microswitch.

What is the amp rating of the Mersen M302001 fuse?

The Mersen M302001 Protistor® fuse has an amp rating of 2x73A, indicating it is a dual-element fuse with each element rated at 73A.

What are the dimensions of the Mersen M302001 fuse?

Based on similar Mersen Protistor® fuses, expect a diameter of approximately 1.562 inches (40mm) and a length of 9.5 inches (241mm).

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.