Mersen ESK90 - HRC MISC Class C Fuse 600 Volts 90 Amps ESK series.
Mersen

ESK90

Alternate Item Number: 068938296667

UPC: 068938296667

Contact for Pricing

Overview

The Mersen ESK90 (SKU: ESK90) is a Class C HRC fuse engineered for dedicated short-circuit protection in industrial motor controllers and associated components, where overload protection is managed by a separate relay. This fuse adheres to British Standard (BS88) dimensions, ensuring it serves as a direct replacement for traditional British fuses and older HRCII-C types. It features a robust ceramic body and a bolt-in mounting design for reliable performance in demanding industrial settings. The ESK90 is rated for 600VAC and 90 Amps, with an impressive interrupting rating of 200kA at 600VAC, providing essential protection against high fault currents. Its fast-acting characteristic ensures rapid disconnection. The fuse complies with IEC 269-2-1 standards and is CSA Certified under HRCII-MISC. Part of Mersen's ESK series, it offers dependable protection for motor control circuits.
  • Class C HRC fuse for short-circuit protection
  • British Standard (BS88) dimensions for direct replacement
  • 600VAC voltage rating, 90 Amp current rating
  • High interrupting rating of 200kA at 600VAC
  • Fast-acting for rapid fault current interruption
  • 200kA I.R. AC interrupting rating
  • Durable ceramic body construction
  • CSA Certified HRCII-MISC

Specifications

Brand Name
Ferraz Shawmut
Connection Type
Bolt-In
Current Rating
90 A
Material
Ceramic
Mounting Type
Bolt-in
Series
ESK
Series
ESK Series
Size
BS88
Size
BS88 dimensions
Voltage Rating
600 V
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
4.31 IN x 1.44 IN x 1.44 IN
Package Dimensions (L x W x H)
10.9474 cm x 3.6576 cm x 3.6576 cm
Package Weight (Imperial)
0.380 L
Package Weight (Metric)
0.172 kg
HRC MISC Class C Fuse 600 Volts 80 Amps ESK series.

ESK80

HRC MISC Class C Fuse 600 Volts 80 Amps ESK series.

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.