Mersen Z221443 - High-Speed Cylindrical Fuse Protistor® Size 27x60 gR 800VAC IEC 40A With Striker
Mersen

Z221443

Alternate Item Number: FR27GB80V40T


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Overview

The Mersen Z221443 Protistor® fuse-link (SKU: Z221443) provides high-speed protection for semiconductor devices. Rated at 800VAC and 40A, this 27x60mm fuse-link is designed for gR (semiconductor protection) applications. It features a high breaking capacity of 90kA, ensuring robust fault interruption. The internal construction utilizes die-cut elements embedded in solidified sand to manage arc characteristics, resulting in a low I²t value of 1400 A²s. This low I²t is critical for safeguarding sensitive semiconductor components from damage during overcurrent events. The integrated striker indicator offers immediate visual confirmation of a blown fuse, facilitating rapid troubleshooting and minimizing downtime. With a power dissipation of 8W at its rated current, the Z221443 is an efficient choice for power conversion equipment. It adheres to IEC 60269-4 standards, offering reliable performance and compliance. Manufactured in the US and distributed by Gross Automation, this fuse-link is a dependable solution for demanding industrial applications requiring full-range protection against overloads and short circuits.
  • Mersen Protistor® fuse-link for high-speed semiconductor protection
  • Rated 800VAC, 40A, with a 90kA interrupting capacity
  • Compact 27x60mm size
  • Low I²t value of 1400 A²s for sensitive component protection
  • Integrated striker indicator for visual fault indication
  • Compliant with IEC 60269-4 standards for semiconductor protection

Specifications

AC Voltage Rating
800 V
Amperage Rating
40 A
Application
Protection of small inverters Protection of UPS systems Protection of motor drives Protection of similar 800VAC or less equipement
Brand Name
Mersen
Case
Ceramic
Connection
Ferrule
Current Rating
40A
Material
Silver, Sand
Mounting
Clip
Mounting Type
BS88-4 fuse-link system
Series
Protistor®
Size
2.37 x 1.06 in
Size
60.3 x 27 mm
Size
Size 27x60
Special Features
International size 27x60 mm for worldwide acceptance Extremely fast acting Eliminate all overloads Low I²t for improved semiconductor protection Excellent cycling capability Selective coordination with other fuses
Standard
IEC 60269-4 Compliance
Sub Brand
Protistor®
Type
IEC High-Speed Cylindrical Fuse-Links AC Protection
Type Of Indicators
Striker
Voltage Rating
800 V
Wattage
8 W
Package Dimensions (L x W x H)
2.37 in x 1.06 in x 1.06 in
Package Dimensions (L x W x H)
60.3 mm x 27 mm x 27 mm
Package Weight (Imperial)
0.176 lb
Package Weight (Metric)
0.080 kg
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Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

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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.