Mersen RFS600 - Fuse RFS - Class H - Fast-Acting 600VAC 600A Blade
Mersen

RFS600

Alternate Item Number: RFS600

UPC: 068938721398


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Overview

The Mersen RFS600 is a Class H fast-acting fuse designed for general purpose applications where available short-circuit currents do not exceed 10,000 amperes. This fuse is suitable for use in Mersen Class H & K fuse blocks rated for 600VAC. It is dimensionally interchangeable with Class H and K fuses, ensuring compatibility with existing infrastructure. The RFS600 provides reliable overcurrent protection, crucial for maintaining the operational integrity of electrical systems. For replacement fuse links, Mersen offers the RLS series die-cut zinc replacement links, available in ratings from 3 to 600 amperes across 30 different ratings. This product is manufactured in the USA and adheres to stringent quality standards. Its fast-acting nature makes it ideal for applications requiring quick response to fault conditions, preventing damage to equipment and ensuring safety. The RFS600 is a dependable choice for mains, feeders, load centers, panelboards, and switchboards, offering a robust solution for industrial and commercial electrical protection needs. Consult Mersen's technical documentation for specific application guidelines and coordination studies.
  • Class H Fast-Acting Fuse
  • 600VAC, 600A Blade Type
  • Suitable for general purpose applications
  • Dimensionally interchangeable with Class H and K fuses
  • Manufactured in the USA

Specifications

AC Voltage Rating
600 V
Amperage Rating
600 A
Application
General purpose loads where short circuits are 10,000 amperes or less
Body Material
FWGE
Brand Name
Mersen
Class
Class H
Connection
Blade
Connection Material
Brass
Connection Type
Blade
Current Rating
600A
Interrupt Rating
10 kA
Mounting
Clip
Nema Rating
Class H
Series
RFS
Size
13.38 x 3.12 in
Size
339.852 x 79.375 mm
Special Features
Knurled bushings for ease of disassembly Rugged construction for maximum service life Precision die-cut renewal links renew quickly and give repeatable performance
Standard
UL listed to standard 248-7 File E2137 CSA certified to standard C22.2 no. 248.7
Type
Renewable Fuses
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
13.38 in x 3.12 in x 3.12 in
Package Dimensions (L x W x H)
339.852 mm x 79.375 mm x 79.375 mm
Package Weight (Imperial)
3.620 lb
Package Weight (Metric)
1.642 kg
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C331156

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Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

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.