Mersen C1056668 - High-Speed Cylindrical Fuse Protistor® Size 22x58 aR 690VAC IEC 32A With Striker
Mersen

C1056668

Alternate Item Number: FR22AR69V32T


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Specification Sheet

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Multiplier: 10

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Overview

The Mersen C1056668 is a high-speed cylindrical fuse-link from the Protistor® series, specifically engineered for the protection of power semiconductors. This fuse adheres to IEC 60269-4 standards and features an aR class rating, indicating its suitability for semiconductor protection. It operates at a rated voltage of 690VAC (IEC) and carries a rated current of 32A. The C1056668 provides an exceptionally high interrupting rating of 160 kA, ensuring robust protection against overcurrents and short circuits in critical applications. Key performance specifications include a pre-arcing I²t of 60.3 A²s and a clearing I²t of 650 A²s at its rated voltage, demonstrating its rapid response to fault conditions. This model is equipped with a striker mechanism for immediate visual indication of a blown fuse. With physical dimensions of 22x58 mm, it offers a compact footprint. The fuse has a power dissipation of 10.5 W at its rated current. Each package contains 10 units, with individual fuses weighing 57g. Manufactured by Mersen, the C1056668 is a reliable choice for applications demanding precise and fast semiconductor protection.
  • Mersen Protistor® high-speed cylindrical fuse-link
  • Size 22x58 mm, aR class for semiconductor protection
  • Rated voltage: 690VAC (IEC)
  • Rated current: 32A
  • Extremely high interrupting rating: 160 kA
  • Includes striker for blown fuse indication

Specifications

AC Voltage Rating
690 V
Amperage Rating
32 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
Current Rating
32 A
Mounting
Clip
Series
Protistor®
Size
22x58
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
Type Of Indicators
Striker
Voltage Rating
690 V
Wattage
10.5 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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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.