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Mersen R083735 - Square Body High-Speed Fuse Protistor® Size 600 gR (gRB) 3500VDC IEC 8A With Striker L Brackets
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Mersen R083735 Square Body High-Speed Fuse Protistor® Size 600 gR (gRB) 3500VDC IEC 8A With Striker L…

Alternate Item Number: D600GB35C8QF


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Specification Sheet

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Mersen R083735 Protistor® is a high-speed fuse-link designed for ultra-fast protection of DC semiconductor devices. Rated at 3500VDC and 8A, this IEC gR type fuse offers rapid fault interruption with a low pre-arcing I²t of 3.6A²s, minimizing damage to sensitive components during short circuits. Its square body design facilitates compact installation in critical applications such as railway power and auxiliary circuits, traction systems, and battery management systems. The integrated striker L brackets provide visual indication of fuse operation, ensuring immediate fault detection. With a rated breaking capacity of 50kA and a power dissipation of 1.9W at its rated current, this fuse operates efficiently even at elevated temperatures, contributing to extended service life. Certified for high-reliability DC protection, the Mersen R083735 meets stringent industrial requirements for DC power distribution and safeguarding semiconductor components. SKU: R083735. Manufacturer: Mersen. UNSPSC Code: 39121628. Country of Origin: US.
  • Ultra-fast protection for DC semiconductor devices
  • Rated 3500VDC, 8A, IEC gR type
  • Low pre-arcing I²t (3.6A²s) for minimal semiconductor damage
  • Square body design for compact installation
  • Striker L brackets for visual trip indication

Specifications

Amperage Rating
8 A
Brand Name
Mersen
Case
Ceramic
Connection
L Brackets
Connection Type
Striker L Brackets
Current Rating
8 A
DC Voltage Rating
3500 V
Mounting
Bolted
Series
Protistor®
Size
Size 600 gR
Size
16.38 x 2.28 x 2.48 in
Size
416 x 58 x 63 mm
Sub Brand
Protistor®
Type
Square Body High-Speed Fuse-Links DC Protection
Type Of Indicators
Striker
Voltage Rating
3500 V
Wattage
12.7 W
Package Dimensions (L x W x H)
16.38 in x 2.28 in x 2.48 in
Package Dimensions (L x W x H)
416 mm x 58 mm x 63 mm
Package Weight (Imperial)
4.233 lb
Package Weight (Metric)
1.920 kg
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9F61 Size B Clips 1.6in

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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

What is the maximum DC working voltage for gRB fuses?

The gRB fuses have a maximum DC working voltage of 3500 V for L/R = 30 ms and 4000 V for L/R = 30 ms.

What is the breaking capacity of these DC fuses?

The breaking capacity for these DC fuses is 30 kA at 3500 V DC and 4000 V DC.

What is the maximum AC voltage rating for these fuses?

The maximum AC voltage rating for these fuses is 3600 V with a breaking capacity of 30 kA.

What is the time constant L/R for gRD fuses at 4000 V DC?

The time constant L/R for gRD fuses at 4000 V DC is 15 ms.

What are the available current ratings for gRB-gRD fuses?

The gRB-gRD fuses are available in current ratings from 6 to 125 A.

What is the tolerance for the mean pre-arcing current for gRB fuses?

The tolerance for the mean pre-arcing current for gRB fuses is ±10%.

What is the tolerance for the mean pre-arcing current for gRB blades?

The tolerance for the mean pre-arcing current for gRB blades is ±8%.

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.