Mersen E1027322 - High-Speed Cylindrical Fuse Protistor® Size 22x58 aR 690VAC IEC 100A
Mersen

E1027322

Alternate Item Number: FR22AR69V100


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Overview

Protect your power semiconductors with the Mersen Protistor® E1027322 high-speed cylindrical fuse. This aR class fuse, compliant with IEC 60269-4, offers robust protection for sensitive electronic components. It features a 22x58mm size and a 100A current rating, operating at a maximum voltage of 690VAC. The Protistor® series is engineered for extremely high interrupting ratings, ensuring safety in demanding applications. This specific model includes a striker for blown fuse indication. Key specifications include a rated breaking capacity of 160 kA and a pre-arcing I²t of 1890 A²s, with a clearing I²t of 13000 A²s at rated voltage. Power dissipation at In is 17.8 W. Manufactured in the US, this fuse is designed for reliability and performance in AC protection circuits. It is part of a product range that offers current ratings from 25A to 135A in the 22x58mm size, with options for both with and without strikers. The Mersen Protistor® fuses are UL recognized (except for 6A variants) and meet stringent IEC and VDE standards, making them a trusted choice for semiconductor protection.
  • Mersen Protistor® size 22x58mm aR class fuse
  • Rated for 100A and 690VAC
  • High interrupting rating (160 kA)
  • Designed for power semiconductor protection
  • Includes striker for blown fuse indication

Specifications

AC Voltage Rating
690 V
Amperage Rating
100 A
Application
Protection of small inverters Protection of UPS systems Protection of variable speed drives Protection of other similar 700V or less equipments
Brand Name
Mersen
Case
Ceramic
Connection
Ferrule
Mounting
Clip
Size
2.28 x 0.87 in
Size
58 x 22.2 mm
Special Features
Low l²t for improved semiconductor protection Extremely fast acting Current limiting Excellent cycling capability UL recognized aR-class according to 60269-4
Standard
IEC 60269-4 UL recognized CSA RoHS compliant
Sub Brand
Protistor®
Type
IEC High-Speed Cylindrical Fuse-Links AC Protection
Voltage Rating
690 V
Wattage
17.8 W
Package Dimensions (L x W x H)
2.28 in x 0.87 in x 0.87 in
Package Dimensions (L x W x H)
58 mm x 22.2 mm x 22.2 mm
Package Weight (Imperial)
0.126 lb
Package Weight (Metric)
0.057 kg
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Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

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 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.