Mersen R1006104 High Voltage DIN Back-up fuse for Transformer Limitor® VDE T4 12kVAC IEC 125A d88mm…
Alternate Item Number: 45DB120V125P-3
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Rated current: 125A with 31.5 kA breaking capacity
- Physical dimensions: 88mm diameter x 442mm length
- Striker force: 80N for trip indication
- Silver fuse-elements and silver-coated copper caps for reliability
- Constructed with pure silver fuse-elements and ceramic body
Specifications
AC Voltage Rating | 12 kV |
Amperage Rating | 125 A |
Application | HV Transformer protection |
Body Material | Ceramic |
Brand Name | Mersen |
Connection | Cylindrical |
Connection Material | Silver-Plated Copper |
Current Rating | 125 A |
Interrupt Rating | 32 kA |
Material | Ceramic, Silver, Copper |
Mounting | Clip |
Mounting Type | DIN |
Series | Limitor® VDE T4 |
Size | 20 x 3.46 in |
Size | 508 x 88 mm |
Size | d88mm, L442mm |
Special Features | High breaking capacity High current limitation Low switching voltage Quick breaking Medium striker 80N/30mm Indoor and outdoor applications Energy efficency New cap design for a better compatibility with all types of clips and easier assembly Coordination with IEC 60787, IEC 62271-105, IEC/TR 62655 |
Standard | IEC 60282-1 VDE 0670 part 4 DIN 43625 |
Sub Brand | Limitor® |
Type | DIN HV Back-up Fuses for Transformers |
Type Of Indicators | Striker |
Voltage Rating | 12 kVAC |
Package Dimensions (L x W x H) | 20 in x 3.46 in x 3.46 in |
Package Dimensions (L x W x H) | 508 mm x 88 mm x 88 mm |
Package Weight (Imperial) | 9.259 lb |
Package Weight (Metric) | 4.200 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 primary application for Limitor-P HV fuses?
Limitor-P HV fuses are dedicated to protecting transformers against the effects of short-circuit currents.
What materials are used in the construction of Limitor-P fuses?
Fuse-elements are made of pure silver, caps are copper coated with silver, and bodies are ceramic.
What standards do Limitor-P HV fuses comply with?
They comply with IEC 60282-1, VDE 0670 part 4, and DIN 43625 standards.
What are the different rated voltage ranges available for Limitor-P fuses?
Available rated voltage ranges are 3/7.2kV, 6/12kV, 10/17.5kV, 10/24kV, and 20/36kV.
What is the breaking capacity for a 3/7.2kV, 2A Limitor-P fuse?
The breaking capacity (I1) for a 3/7.2kV, 2A fuse is 63 kA.
What is the power dissipation at rated current for a 6/12kV, 10A fuse?
The power dissipation at rated current (In) for a 6/12kV, 10A fuse is 16 W.
What is the weight of a 10/24kV, 125A Limitor-P fuse?
The weight of a 10/24kV, 125A fuse is 4.3 kg.
What is the length of a 20/36kV Limitor-P fuse?
The length for 20/36kV Limitor-P fuses is 537 mm.
What are the key features of Limitor-P HV fuses?
Features include high breaking capacity, high current limitation, quick breaking, and suitability for indoor/outdoor applications.
What is the rated current range for Limitor-P fuses?
The rated current ranges from 2 A to 250 A, depending on the specific model and voltage rating.
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.