Mersen J209423 - This Mersen product (SKU: J209423) is a set of fuse bases designed for DIN high voltage fuse-links. It accommodates fuse-links with a 45mm diameter and lengths of 192, 292, 367, 442, and 537mm. The integrated indicating device allows for electrical actuation of the opening mechanism or triggering of an indicator upon fuse melting, provided the fuse is equipped with a trip-indicator. This robust device offers flexibility for mechanical systems and supports the incorporation of microswitch units based on equipment configuration. Manufactured in the US.
Mersen

J209423

Alternate Item Number: SI175V292

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Overview

The Mersen J209423 is a robust set of fuse bases engineered for DIN high voltage fuse-links. Designed to accommodate fuse-links with a 45mm diameter and a range of lengths including 192, 292, 367, 442, and 537mm, these bases provide versatile application support. Manufactured in the USA, the J209423 features an integrated indicating device that enables electrical actuation of the opening mechanism or triggers an indicator upon fuse melting, provided the fuse is equipped with a trip-indicator. This functionality enhances operational safety and monitoring capabilities. These fuse bases are DIN-rail mountable, offering a compact footprint compared to traditional designs. They feature a dovetail nesting system for easy multi-pole field assembly, allowing for flexible mechanical system configurations. The design supports the incorporation of microswitch units, further enhancing adaptability based on specific equipment requirements. When paired with Mersen's dead front covers, the fuse bases achieve an IP20 rating, ensuring finger-safe operation. Key features include DIN-rail mounting, 600V rating, and compatibility with fuse-links up to 100A (though this specific SKU is for the base, not the fuse itself). The bases boast a fresh Mersen gray color and a unique molding around the termination for increased safety and compatibility with hinged covers. A built-in lockout/tagout feature is integrated for enhanced safety protocols. The new clear covers with indicators provide visual inspection and safety assurance. Wiring options are versatile, supporting branch circuits, control panels, load centers, and general loads in lighting, heating, and other applications.
  • Designed for DIN high voltage fuse-links with 45mm diameter
  • Accommodates fuse-link lengths: 192, 292, 367, 442, and 537mm
  • Integrated indicating device for electrical actuation or visual indication
  • DIN-rail mountable for compact and flexible installation
  • Supports microswitch unit incorporation for enhanced functionality

Specifications

AC Voltage Rating
17.5 kV
Brand Name
Mersen
Number Of Poles
1
Size
16.69 x 2.76 x 12.4 in
Size
424 x 70 x 315 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)
16.69 in x 2.76 in x 12.4 in
Package Dimensions (L x W x H)
424 mm x 70 mm x 315 mm
Package Weight (Imperial)
12.566 lb
Package Weight (Metric)
5.700 kg
This product consists of Mersen fuse bases designed for DIN high voltage fuse-links. They accommodate fuse-links with a 45mm diameter and lengths of 192, 292, 367, 442, and 537mm. The integrated indicating device allows for electrical actuation of the opening mechanism or triggering of an indicator upon fuse melting, provided 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. SKU: Q1001089. Manufacturer: Mersen. Country of Origin: US.

Q1001089

This product consists of Mersen fuse bases designed for DIN high voltage fuse-links. They accommodate fuse-links with a 45mm diameter and lengths of 192, 292, 367, 442, and 537mm. The integrated indicating device allows for electrical actuation of the opening mechanism or triggering of an indicator upon fuse melting, provided 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. SKU: Q1001089. Manufacturer: Mersen. Country of Origin: US.
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.