Mersen 9F61AKB001 - 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. 5500 Volts AKB series.
Mersen

9F61AKB001

Alternate Item Number: 782001402297

UPC: 782001402297


Documents & Media
Specification Sheet

Contact for Pricing

Overview

The Mersen 9F61AKB001 Fuse Support is a high-performance, non-disconnecting solution engineered for 5500V potential transformer circuits and applications requiring reliable isolation. Designed to integrate seamlessly with existing disconnecting or isolating devices, this fuse support ensures operational safety and system integrity in both indoor (EK series) and outdoor (EKO series) environments. Trusted by industrial and utility professionals, the 9F61AKB001 delivers robust fuse support without load-breaking capabilities, making it ideal for circuits where a disconnecting switch or other isolating mechanism is already present upstream. Key features of the Mersen 9F61AKB001 include versatile mounting options—supporting both vertical and horizontal orientations—to accommodate diverse installation requirements. This flexibility simplifies integration into existing electrical panels, switchgear, or transformer enclosures, reducing downtime during maintenance or upgrades. The fuse support is constructed from high-quality materials to withstand harsh operating conditions, including temperature fluctuations, vibration, and electrical stress, ensuring long-term reliability in critical applications. Typical applications for the 9F61AKB001 span a wide range of industries, including power generation, substation automation, renewable energy systems, and industrial manufacturing. It is particularly well-suited for potential transformer circuits, where precise isolation and support are essential for protecting sensitive equipment from transient surges or faults. The non-disconnecting design ensures that the fuse remains securely in place while allowing for easy replacement when needed, minimizing the risk of accidental disconnection or arcing. Mersen, a global leader in electrical protection and power management solutions, has designed the 9F61AKB001 to meet the stringent demands of modern electrical systems. With decades of expertise in fuse technology and industrial safety, Mersen’s products are trusted by engineers and technicians worldwide for their durability, precision, and compliance with industry standards. The AKB series, to which this fuse support belongs, is renowned for its high-voltage capabilities and adaptability to both indoor and outdoor environments, making it a preferred choice for utilities and industrial facilities alike. Installation of the 9F61AKB001 is straightforward, thanks to its standardized mounting configuration and compatibility with common fuse sizes. Professionals can rely on Mersen’s technical documentation and support resources to ensure proper sizing, alignment, and secure fastening. Whether deployed in a new installation or as part of a system upgrade, this fuse support provides the stability and performance required for uninterrupted operation. For engineers seeking a dependable, high-voltage fuse support that balances safety, versatility, and longevity, the Mersen 9F61AKB001 is an exceptional choice.
  • Non-disconnecting fuse support for 5500V circuits
  • Compatible with indoor (EK) and outdoor (EKO) installations
  • Supports vertical and horizontal mounting orientations
  • Designed for potential transformer circuits and isolation applications
  • Engineered for durability in harsh industrial environments

Specifications

Application
Utilities Industrial Plants Hospitals Shopping Centers Schools Office Buildings
Brand Name
Ferraz Shawmut
Connection
Bus
Mounting
Screw
Mounting Type
Vertical or Horizontal
Series
AKB
Type
Accessories - Medium Voltage Fuses
Voltage Rating
5500 VAC
Package Dimensions (L x W x H)
29 IN x 18 IN x 9 IN
Package Dimensions (L x W x H)
73.66 cm x 45.72 cm x 22.86 cm
Package Weight (Imperial)
58.800 L
Package Weight (Metric)
26.672 kg
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8

1SCM8

Fuse Block 1500VAC 1500VDC 400A 1-Pole Stud M8
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in
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 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.