Mersen R082401 Square Body High-Speed Fuse Protistor® Size 120 gR 750VDC IEC 100A With Striker Flush…
Alternate Item Number: D120GC75V100TF
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- High-speed semiconductor protection fuse for DC applications up to 750VDC
- gR classification per IEC 60269-4 for optimal semiconductor device protection
- 100A rated current with 100kA breaking capacity for reliable fault interruption
- Pre-arcing I²t: 1855 kA²s, clearing I²t: 8800 kA²s for rapid response
- Striker mechanism for automatic signaling upon fuse operation
- Flush ends with metric threads for secure mounting
- Operates efficiently at elevated temperatures with low power dissipation (330W)
- Pure silver fuse elements embedded in solidified sand for controlled arcing
- Applications: inverters, motor drives, UPS systems, railway power circuits
Specifications
Amperage Rating | 100 A |
Application | Protection of inverters Protection of motor drives Protection of UPS systems Railway power and auxiliary circuits 750VDC or less equipments |
Brand Name | Mersen |
Case | Ceramic |
Connection | End Contact with Threaded Holes |
Connection Type | Flush ends metric threads |
Current Rating | 100A |
DC Voltage Rating | 750 V |
Mounting | Bolted |
Mounting Type | Square Body |
Series | Protistor® |
Size | Size 120 gR |
Size | 5 x 1.57 x 1.77 in |
Size | 127 x 40 x 45 mm |
Special Features | Multiple body sizes and terminals or blades combination Very low I²t Extremely fast acting Eliminate all overloads Excellent cycling capability |
Standard | EU conformity REACH compliant IEC 60269-4 Compliance |
Sub Brand | Protistor® |
Type | Square Body High-Speed Fuse-Links DC Protection |
Type Of Indicators | Striker |
Voltage Rating | 750 V |
Wattage | 16.7 W |
Package Dimensions (L x W x H) | 5 in x 1.57 in x 1.77 in |
Package Dimensions (L x W x H) | 127 mm x 40 mm x 45 mm |
Package Weight (Imperial) | 1.433 lb |
Package Weight (Metric) | 0.650 kg |
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Frequently Asked Questions
Does this product comply with IEC standards?
Yes, this product complies with IEC 60269-4.
What is the rated voltage for this fuse?
The rated voltage for this fuse is 750VDC (IEC).
What is the pre-arcing I²t for the 100A fuse?
The pre-arcing I²t for the 100A fuse (item number R082401) is 3.01 kA²s.
What is the ampere range for size 120 gR fuses?
The ampere range for size 120 gR fuses is from 50 A to 160 A.
What is the rated breaking capacity for these fuses?
The rated breaking capacity DC for these fuses is 100 kA.
What applications are these fuses suitable for?
These fuses are suitable for protecting inverters, motor drives, UPS systems, and railway power and auxiliary circuits.
What is the weight of the size 120 gR TTF type fuse?
The weight of the size 120 gR TTF type fuse is 0.65 kg.
What are the main features of these DC protection fuses?
Features include multiple body sizes, very low I²t, extremely fast acting, elimination of overloads, and excellent cycling capability.
What is the power dissipation of the 50A TTF type fuse at rated current?
The power dissipation at rated current for the 50A TTF type fuse is 8.1 W.
What are the dimensions for the blade contacts type EF?
The dimensions for the blade contacts type EF include a body size of 39 ±0.8 mm and a length of 156 -2 +2.2 mm.
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.