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Mersen C1000157 - High Voltage DIN General Purpose fuse for Transformer Limitor® 24kVAC IEC 4A d78mm, L442mm With Striker 80N

Mersen C1000157 High Voltage DIN General Purpose fuse for Transformer Limitor® 24kVAC IEC 4A d78mm…

Alternate Item Number: 45DG240V4P


Documents & Media
Specification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen C1000157 is a Limitor®-G High Voltage DIN General Purpose fuse, specifically engineered for reliable transformer protection in 24kVAC systems. For decades, Mersen HV fuse-links have been a trusted component in high-voltage switchgear, controlgear, and power distribution systems, ensuring operational integrity and safety. This particular fuse adheres to the IEC 60282-1 standard for general-purpose fuses, making it ideally suited for safeguarding transformers against the damaging effects of short-circuit currents and sustained low overcurrents. The construction of the Limitor®-G fuse emphasizes quality and longevity. Its fuse-elements are crafted from pure silver, a material known for its excellent conductivity and resistance to corrosion. The end caps are made of silver-coated copper, further enhancing electrical contact and durability. The fuse body is constructed from high-grade ceramic, providing robust insulation and mechanical strength necessary for high-voltage applications. Key specifications include a voltage rating of 24 kVAC and a current rating of 4 A. The physical dimensions are a diameter of 78mm and a length of 442mm. This fuse also features a striker mechanism with an 80N force, designed to activate downstream protection devices or indicators upon fuse operation. The Limitor®-G series from Mersen represents a commitment to providing dependable protection for critical high-voltage assets. Its materials and design ensure consistent performance and a long service life in demanding electrical environments. Manufacturer: Mersen. SKU: C1000157. UNSPSC Code: 39121626. Country of Origin: US.
  • General purpose fuse for transformer protection (IEC 60282-1)
  • 24 kVAC voltage rating
  • 4 A current rating
  • Durable construction: pure silver elements, silver-coated copper caps, ceramic body
  • Dimensions: d78mm, L442mm, with 80N striker

Specifications

AC Voltage Rating
24 kV
Amperage Rating
4 A
Application
HV Transformer protection
Body Material
Ceramic
Brand Name
Mersen
Connection
Cylindrical
Connection Material
Silver-Plated Copper
Interrupt Rating
40 kA
Mounting
Clip
Size
20 x 3.07 in
Size
508 x 78 mm
Special Features
High breaking capacity High current limitation Low switching voltage Quick breaking Non-ageing Energy efficency New cap design for a better compatibility with all types of clips and easier assembly Coordination with IEC 60787, IEC 62271-105 and VDE 0670 T303
Standard
IEC 60282-1 VDE 0670 part 4 DIN 43625
Sub Brand
Limitor®
Type
DIN HV General Purpose Fuses for transformers
Type Of Indicators
Striker
Package Dimensions (L x W x H)
20 in x 3.07 in x 3.07 in
Package Dimensions (L x W x H)
508 mm x 78 mm x 78 mm
Package Weight (Imperial)
9.039 lb
Package Weight (Metric)
4.100 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.

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 purpose of Limitor®-G HV fuses?

Limitor®-G HV fuses are general purpose fuses designed to protect transformers from short-circuit currents and low overcurrents.

What materials are used in Mersen HV fuses?

Fuse-elements are made of pure silver, caps are silver-coated copper, and bodies are ceramic.

What applications are Limitor®-G fuses suitable for?

These fuses are specifically designed for HV transformer protection.

What standards do Limitor®-G fuses comply with?

They comply with IEC 60282-1, VDE 0670 part 4, and DIN 43625 standards.

What is the rated current range for 6/12kV Limitor®-G fuses?

The rated current range for 6/12kV fuses is 6.3 to 50 A.

What is the length of the 6/12kV Limitor®-G fuses?

The 6/12kV Limitor®-G fuses have a length of 292mm.

What is the breaking capacity for 6/12kV Limitor®-G fuses?

The breaking capacity for 6/12kV Limitor®-G fuses is 40 kA.

What is the rated current range for 10/24kV Limitor®-G fuses?

The rated current range for 10/24kV fuses is 4 to 25 A.

What is the length of the 10/24kV Limitor®-G fuses?

The 10/24kV Limitor®-G fuses have a length of 442mm.

What is the breaking capacity for 10/24kV Limitor®-G fuses?

The breaking capacity for 10/24kV Limitor®-G fuses is 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.