Mersen B1018326 High Voltage DIN Back-up fuse for Transformer Limitor® VDE T402 24kVAC IEC 125A d88mm…
Alternate Item Number: 45DB240V125PTS
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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
- Designed for high-voltage transformer protection in switchgear
- 24kVAC rated voltage, 125A rated current
- Features an 80N thermal striker to prevent overheating
- Low power losses for improved energy efficiency
- Recommended by Siemens and Ormazabal for gas-insulated switchgear
Specifications
AC Voltage Rating | 24 kV |
Amperage Rating | 125 A |
Application | Best used in SF6 insulated switch gear and compact switch gear HV Transformer protection |
Body Material | Ceramic |
Brand Name | Mersen |
Connection | Cylindrical |
Connection Material | Silver-Plated Copper |
Current Rating | 125 A |
Interrupt Rating | 65 kA |
Material | Ceramic, Silver, Copper |
Mounting | Clip |
Series | Limitor®-PTS |
Size | d88mm, L442mm |
Size | 20 x 3.46 in |
Size | 508 x 88 mm |
Special Features | Low switching voltage Large current ratings range Very low power losses Energy efficency New thermal striker patented by Mersen to prevent overheating Medium striker 80N / 30mm New cap design for a better compatibility with all types of clips and easier assembly Outdoor and indoor use Coordination with IEC 60787, IEC 62271-105 and VDE 0670 T303 |
Standard | IEC 60282-1 VDE 0670 part 4 VDE 0670 part 402 DIN 43625 |
Sub Brand | Limitor® |
Type | DIN HV Back-up Fuses for Transformers |
Type Of Indicators | Striker |
Voltage Rating | 24 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) | 13.448 lb |
Package Weight (Metric) | 6.100 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 rated voltage of this Mersen fuse?
The Mersen Limitor®-PTS DIN Back-up Fuse has a rated voltage of 24kVAC.
What is the rated current for this fuse?
This Mersen fuse has a rated current of 125A.
What standards does this fuse comply with?
This fuse complies with VDE T402 and IEC 60282-1 standards.
What is the purpose of the thermal striker?
The 80N thermal striker is designed to prevent overheating within the fuse compartment of switchgear.
What are the dimensions of this fuse?
The fuse measures Ø88mm in diameter and 442mm in length.
What materials are used in the construction of this fuse?
The fuse elements are made of pure silver, the caps are copper coated with silver, and the body is ceramic.
What is the breaking capacity of this fuse?
The fuse has a breaking capacity of 40 kA.
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.