Mersen L209425 - The Mersen L209425 is a fuse base designed for DIN high voltage fuse-links. It supports fuse-links with a 45mm diameter and lengths of 192, 292, 367, 442, and 537mm. This robust device features an indicating device for electrical actuation of the opening mechanism or triggering an indicator upon fuse melting. It offers flexibility for mechanical systems and can incorporate microswitch units based on equipment configuration. Manufactured by Mersen, this fuse base is a critical component for circuit protection in industrial applications.
Mersen

L209425

Alternate Item Number: SI240V537

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Overview

The Mersen L209425 is a specialized fuse base engineered for DIN high voltage fuse-links, providing essential circuit protection in demanding industrial environments. This robust unit is designed to accommodate fuse-links with a standard 45mm diameter and offers compatibility with a range of lengths, including 192mm, 292mm, 367mm, 442mm, and 537mm. Key features of the L209425 include an integrated indicating device. This device is crucial for electrical actuation of the opening mechanism, ensuring a clear signal when the fuse operates. Alternatively, it can trigger a visual indicator upon fuse melting, providing immediate confirmation of a fault condition. This functionality is vital for rapid diagnostics and maintenance. The Mersen L209425 offers significant flexibility for mechanical system integration. It is designed to incorporate microswitch units, allowing for customization based on specific equipment configurations and control system requirements. This adaptability makes it suitable for a variety of applications where precise signaling and interlocks are necessary. Manufactured by Mersen, a recognized leader in electrical protection, the L209425 fuse base is built to stringent German Standard (DIN) specifications. It is compatible with Mersen's gRB and URB fuse-links, supporting current ratings from 20A up to 400A, depending on the specific fuse-link model and fuse size (0, 1, 2). For example, it supports gRB 000 DO8V/020 through DO8V/125 and URB 000 DO8V/080 through DO8V/400. Similarly, it supports gRB 000 DO8L/020 through DO8L/125 and URB 000 DO8L/080 through DO8L/400. This fuse base is a critical component for ensuring the reliability and safety of electrical installations, particularly in medium voltage applications where precise and reliable fuse operation is paramount. Its sturdy construction and advanced signaling capabilities make it an indispensable part of any industrial circuit protection strategy. SKU: L209425. Country of Origin: FR. UNSPSC Code: 39121629.
  • Designed for DIN high voltage fuse-links with 45mm diameter
  • Supports fuse-link lengths: 192, 292, 367, 442, 537mm
  • Integrated indicating device for electrical actuation or visual indication
  • Flexible for mechanical systems; compatible with microswitch units
  • Robust construction by Mersen for reliable industrial circuit protection

Specifications

AC Voltage Rating
24 kV
Brand Name
Mersen
Number Of Poles
1
Size
26.38 x 2.76 x 14.37 in
Size
670 x 70 x 365 mm
Special Features
For indoor and outdoor use
Standard
IEC 60282-1
Sub Brand
Unassigned
Type
IEC HV Fuse Supports
Package Dimensions (L x W x H)
26.38 in x 2.76 in x 14.37 in
Package Dimensions (L x W x H)
670 mm x 70 mm x 365 mm
Package Weight (Imperial)
15.432 lb
Package Weight (Metric)
7.000 kg
This Mersen product (SKU: V210330) consists of fuse bases designed for DIN high voltage fuse-links. These bases accommodate fuse-links with a 45mm diameter and various lengths including 192mm, 292mm, 367mm, 442mm, and 537mm. The integrated indicating device allows for electrical actuation of the opening mechanism or triggers an indicator upon fuse melting when the fuse is equipped with a trip-indicator. This robust design offers flexibility for mechanical systems and supports the incorporation of microswitch units based on equipment configuration. Manufactured in the USA.

V210330

This Mersen product (SKU: V210330) consists of fuse bases designed for DIN high voltage fuse-links. These bases accommodate fuse-links with a 45mm diameter and various lengths including 192mm, 292mm, 367mm, 442mm, and 537mm. The integrated indicating device allows for electrical actuation of the opening mechanism or triggers an indicator upon fuse melting when the fuse is equipped with a trip-indicator. This robust design offers flexibility for mechanical systems and supports the incorporation of microswitch units based on equipment configuration. Manufactured in the USA.
SPLICER BLOCK DISTRIBUTION BLOCK 1 POLE. POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.

LS1300-1

SPLICER BLOCK DISTRIBUTION BLOCK 1 POLE. POWR-BLOKS power distribution blocks offer a safe, convenient way of splicing cables, providing a fixed junction tap-off point or splitting primary power into secondary circuits. LX2XXX-DIN series offers integral DIN-Rail mount and an optional hinged safety cover. Applications: Typical applications include heating, air conditioning and refrigeration systems, elevator systems, material handling equipment, control panels, motor controls, switchgear, and anywhere power needs to be distributed to more than one load.

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.