Mersen G210249 High Voltage UTE Back-up fuse Limitor® 12kVAC IEC 43A d55mm, L520mm Striker 80N
Alternate Item Number: FR120V43P
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Overview
- Rated 12kVAC, 43A with 215A minimum breaking current
- 55mm diameter x 520mm length for compatibility with SF6/air-insulated switchgear
- Class F insulating barrel with pure silver fuse elements
- 123W power dissipation, 12 kA²s I²t rating at rated voltage
- Striker mechanism for fault indication; 2.3 kg weight
Specifications
AC Voltage Rating | 12 kV |
Amperage Rating | 43 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 | 43 A |
Interrupt Rating | 12.5 kA |
Material | Synthetic material barrel, nickel-plated aluminum end contacts, pure silver fuse elements, composite material fuse element holder |
Mounting | Clip |
Series | Limitor FR-type UTE |
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 | 12 kV AC |
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 |
GPM-SRR90
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
C331156
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
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.
Frequently Asked Questions
What is the operating temperature range for these fuses?
The fuses are designed for indoor use and have an operating temperature range of -25°C to +40°C.
What types of transformers are these fuses designed to protect?
These fuses are designed to protect HV/LV power distribution transformers.
What is the breaking capacity for the 7.2kV, 12kV, and 24kV fuses?
The breaking capacity (I1) for all 7.2kV, 12kV, and 24kV fuses is 12.5 kA.
What is the peak arc voltage for the 24kV fuses?
The peak arc voltage for the 24kV fuses is 58 kV.
What is the rated current range for these fuses?
The rated current range for the 7.2kV, 12kV, and 24kV fuses is 6.3 A to 63 A.
What is the diameter of the Limitor® NF/UTE Type FR fuse-link?
The diameter of the IEC HV fuse-link Limitor® NF/UTE Type FR is 55mm.
What is the length of the 7.2kV, 12kV, and 24kV fuses?
The length for the 7.2kV, 12kV, and 24kV fuses is 520mm.
What are the main components of these FR-type fuses?
The main components include a synthetic insulating barrel, nickel-plated aluminum end contacts, pure silver fuse elements, and a composite material fuse element holder.
What standards do these Limitor fuses comply with?
They comply with IEC 62271-105, IEC 62271-107, IEC 60787, IEC/TR 62655, IEC 60282-1, and UTE C64-210.
What is the power loss reduction for the 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.