Mersen 9F61CJN310 - 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. 38000 Volts EKO-3D CJN series.
Mersen

9F61CJN310

Alternate Item Number: 9F61CJN310

UPC: 782001398798

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Overview

The Mersen 9F61CJN310 is an EKO-3D series outdoor fuse disconnect switch designed for medium voltage applications up to 38kV. This non-disconnecting fuse support is primarily utilized in potential transformer circuits or in conjunction with other isolating devices. The EKO series is specifically engineered for outdoor installations, offering robust protection in demanding environments. This model features live parts at both ends and can be mounted vertically or horizontally, providing installation flexibility. It is crucial to note that disconnecting switches are not load-breaking devices; therefore, the circuit must be open before fuse disconnection. The 9F61CJN310 is compatible with 3-inch diameter ferrule fuses, as indicated by the 'D' in its designation, and is suitable for use with 38kV power distribution fuses like the 9F60 Series, E-Rated EJO-1. Key specifications include a maximum voltage rating of 38 kV and an interrupting rating of 50kA RMS Sym. When selecting a mounting for a current-limiting fuse, ensuring clip centers and size agree with the fuse is essential. For detailed installation, storage, and maintenance information, refer to Mersen's INST-EK39196 document. This product is proudly distributed by Gross Automation.
  • Mersen EKO-3D Series Outdoor Fuse Disconnect Switch
  • Rated for 38kV maximum voltage
  • Suitable for 3-inch diameter ferrule fuses
  • Designed for outdoor installations
  • Vertical or horizontal mounting capability

Specifications

AC Voltage Rating
38 kV
Application
Utilities Industrial Plants Hospitals Shopping Centers Schools Office Buildings
Brand Name
Mersen
Connection
Bus
Material
Porcelain
Mounting
Screw
Size
36 x 4 x 51.75 in
Size
914.4 x 101.6 x 1314.45 mm
Type
IEEE MV Fuse Supports
Voltage Rating
38000 VAC
Package Dimensions (L x W x H)
36 in x 4 in x 51.75 in
Package Dimensions (L x W x H)
914.4 mm x 101.6 mm x 1314.45 mm
Package Weight (Imperial)
150.000 lb
Package Weight (Metric)
68.039 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. 38000 Volts EKO-1DD CJN series.

9F61CJN409

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. 38000 Volts EKO-1DD CJN series.
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LFH60060-3C

600V CLASS H BLOCK 60A 3 POLE NON-ID

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.