Mersen J227593 High Voltage UTE Back-up fuse Limitor® 7.2kVAC IEC 63A d55mm, L520mm Striker 80N
Alternate Item Number: FR72V63P
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Overview
- Rated 7.2kVAC, 63A for high-voltage transformer protection
- Current-limiting design interrupts faults before peak values
- 80N striker mechanism for remote operation indication
- Class F insulating barrel with pure silver fuse elements
- 55mm diameter, 520mm length for compatibility with HV switchgear
Specifications
AC Voltage Rating | 7.2 kV |
Amperage Rating | 63 A |
Application | HV Transformers protection Fused switch gear combination Best used in SF6 insulated switch gear and compact switch gear For indoor use Operating temperature: -25°C to +40°C |
Body Material | Class F insulating synthetic material |
Brand Name | Mersen |
Connection | Cylindrical |
Connection Material | Nickel-Plated Aluminum |
Current Rating | 63 A |
Interrupt Rating | 12.5 kA |
Material | Nickel-plated aluminum, pure silver, synthetic barrel |
Mounting | Clip |
Series | Limitor |
Size | 20.47 x 2.17 in |
Size | 520 x 55 mm |
Size | 55x520 mm |
Special Features | Superior mechanical strength Outstanding withstand to operating stresses 100 synthetic structure Reduce power losses by 30 to 40 (24kV) Average type striker: force 1 ±0.5 Joules High breaking capacity High current limitation EDF Approval which guarantees high performances and quality of fuses manufactured (24kV) In accordance with: IEC 62271-105 IEC 62271-107 IEC 60787 IEC/TR 62655 |
Standard | IEC 60282-1 UTE C64-210 |
Sub Brand | Limitor® |
Type | NF/UTE HV Back-up Fuses for Transformers |
Type Of Indicators | Striker |
Voltage Rating | 7.2 kVAC |
Package Dimensions (L x W x H) | 20.47 in x 2.17 in x 2.17 in |
Package Dimensions (L x W x H) | 520 mm x 55 mm x 55 mm |
Package Weight (Imperial) | 5.071 lb |
Package Weight (Metric) | 2.300 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.
Frequently Asked Questions
What is the operating temperature range for these fuses?
The operating temperature range for these fuses is -25°C to +40°C.
What are the main applications for FR-type fuses?
FR-type fuses are designed for HV Transformers protection and fused switch gear combinations, best used in SF6 insulated or compact switch gear.
What is the breaking capacity for 7.2kV, 12kV, and 24kV fuses?
The breaking capacity (I1) for 7.2kV, 12kV, and 24kV fuses is 12.5 kA.
What materials are the main elements of these fuses made from?
The main elements include a class F insulating synthetic material barrel, nickel-plated aluminum end contacts, pure silver fuse elements, and a composite material fuse element holder.
Are these fuses suitable for outdoor use?
These fuses are specified for indoor use only.
What is the rated current range for these fuses?
The rated current range for these fuses is 6.3 A to 63 A.
What standards do these fuses comply with?
These fuses comply with IEC 62271-105, IEC 62271-107, IEC 60787, IEC/TR 62655, IEC 60282-1, and UTE C64-210.
What are the dimensions of the FR fuse-links?
The FR fuse-links have a diameter of 55mm and a length of 520mm for 7.2kV, 12kV, and 24kV types.
What is the peak arc voltage for the 24kV fuses?
The peak arc voltage for the 24kV fuses is 58 kV.
What is the power loss reduction for 24kV fuses?
The 24kV fuses reduce power losses by 30% to 40%.
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.