Mersen C220963 - British Standard fuse-link Protistor® 17x49 gR 690VAC IEC 40A
Mersen

C220963

Alternate Item Number: BS17GB69V40


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Specification Sheet

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Overview

The Mersen Protistor® British Standard fuse-link (SKU: C220963) is engineered for high-speed semiconductor protection. This gR class fuse-link operates at 690VAC (IEC) and is rated for 40A. It offers a substantial breaking capacity of 160kA, ensuring rapid clearing of overcurrents and short circuits to safeguard sensitive electronic components. Compliant with IEC 60269-1 and -4 standards, it also meets VDE 636-23 for selective coordination in distribution circuits. The fuse-link features a pre-arcing I²t of 101.8 A²s and a clearing I²t of 950 A²s, providing precise protection. Its compact 17x49mm dimensions facilitate easy integration into standard fuse holders. This Mersen fuse-link is ideal for applications in high-power electronics, motor drives, and renewable energy systems where fast-acting fault protection is paramount. Designed for connection per German DIN 43653/00C and British BS88-4 standards, it ensures reliable performance in industrial environments. UL Recognition is also included.
  • High-speed gR class fuse-link for semiconductor protection
  • Rated 40A at 690VAC (IEC)
  • 160kA rated breaking capacity for robust fault clearing
  • Pre-arcing I²t: 101.8 A²s, Clearing I²t: 950 A²s
  • Compact 17x49mm size for easy integration

Specifications

AC Voltage Rating
690 V
Amperage Rating
40 A
Brand Name
Mersen
Case
Ceramic
Connection Type
DIN 43653/00C, BS88-4
Current Rating
40 A
Mounting
Bolted
Series
Protistor®
Size
3.04 x 0.73 in
Size
77.2 x 18.5 mm
Size
17x49
Sub Brand
Protistor®
Type
British Standard High-Speed Fuse-Links AC Protection
Voltage Rating
690 V
Wattage
10.5 W
Package Dimensions (L x W x H)
3.04 in x 0.73 in x 0.73 in
Package Dimensions (L x W x H)
77.2 mm x 18.5 mm x 18.5 mm
Package Weight (Imperial)
0.086 lb
Package Weight (Metric)
0.039 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.

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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.