Mersen 9F61CGL409 - Fuse supports, non-disconnecting, are used primarily in potential transformer circuits, or where there is some other disconnecting or isolating device in series with the fuse in the circuit. Disconnecting switch devices have the additional feature of serving to isolate the equipment they protect. It should be noted that disconnecting switches are not load-breaking devices, therefore, the circuit must be open prior to the fuse disconnection. Select either a fuse support or a disconnecting switch for each fuse. Fuse supports and disconnecting switches include live parts for both ends. Both fuse supports and fuse disconnect switches can be mounted vertically or horizontally. The type EK are used for indoor installations while the type EKO are used outdoors. 15500 Volts EKO-1DD CGL series.
Mersen

9F61CGL409

Alternate Item Number: 9F61CGL409

UPC: 782001398750

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Overview

The Mersen 9F61CGL409 is a non-disconnecting fuse support from the CGL series, designed for medium voltage applications up to 15.5kV. This specific model features DD/3.00" mounting, ensuring compatibility with relevant fuse sizes. Fuse supports, such as the 9F61CGL409, are primarily utilized in potential transformer circuits or in applications where an independent disconnecting or isolating device is present in series with the fuse. Unlike disconnecting switches, these supports do not offer load-breaking capabilities, meaning the circuit must be de-energized before fuse disconnection. Both fuse supports and disconnecting switches are equipped with live parts at both ends, providing secure connections. The 9F61CGL409 is suitable for both vertical and horizontal mounting, offering installation flexibility. While the EK series is designated for indoor installations, the EKO series is designed for outdoor use. This particular model, part of the CGL series, is engineered for reliable performance in demanding electrical systems. Mersen's commitment to quality is evident in the robust construction and precise engineering of their fuse support solutions. The SKU 9F61CGL409 represents a critical component for ensuring the safety and operational integrity of medium voltage circuits, particularly in applications requiring fuse protection without integrated isolation. Its compatibility with specific fuse dimensions, indicated by the DD/3.00" mounting, allows for tailored system configurations. For detailed installation and maintenance, refer to Mersen's technical documentation.
  • Mersen CGL Series Fuse Support, SKU: 9F61CGL409
  • Voltage Rating: 15.5 kV
  • Mounting Type: DD/3.00"
  • Non-disconnecting type, ideal for PT circuits
  • Suitable for vertical or horizontal mounting

Specifications

AC Voltage Rating
15.5 kV
Application
Utilities Industrial Plants Hospitals Shopping Centers Schools Office Buildings
Brand Name
Mersen
Connection
Bus
Material
Porcelain
Mounting
Screw
Number Of Poles
1
Size
24 x 4 x 19.79 in
Size
609.6 x 101.6 x 502.666 mm
Sub Brand
Unassigned
Type
IEEE MV Fuse Supports
Voltage Rating
15500 VAC
Package Dimensions (L x W x H)
24 in x 4 in x 19.79 in
Package Dimensions (L x W x H)
609.6 mm x 101.6 mm x 502.666 mm
Package Weight (Imperial)
75.000 lb
Package Weight (Metric)
34.019 kg
Fuse supports, non-disconnecting, are used primarily in potential transformer circuits, or where there is some other disconnecting or isolating device in series with the fuse in the circuit. Disconnecting switch devices have the additional feature of serving to isolate the equipment they protect. It should be noted that disconnecting switches are not load-breaking devices, therefore, the circuit must be open prior to the fuse disconnection. Select either a fuse support or a disconnecting switch for each fuse. Fuse supports and disconnecting switches include live parts for both ends. Both fuse supports and fuse disconnect switches can be mounted vertically or horizontally. The type EK are used for indoor installations while the type EKO are used outdoors. 15500 Volts EKO-1C CGL series.

9F61CGL209

Fuse supports, non-disconnecting, are used primarily in potential transformer circuits, or where there is some other disconnecting or isolating device in series with the fuse in the circuit. Disconnecting switch devices have the additional feature of serving to isolate the equipment they protect. It should be noted that disconnecting switches are not load-breaking devices, therefore, the circuit must be open prior to the fuse disconnection. Select either a fuse support or a disconnecting switch for each fuse. Fuse supports and disconnecting switches include live parts for both ends. Both fuse supports and fuse disconnect switches can be mounted vertically or horizontally. The type EK are used for indoor installations while the type EKO are used outdoors. 15500 Volts EKO-1C CGL series.
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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.