Mersen G233019 Square Body High-Speed Fuse Protistor® Size 73 gR 550VDC IEC 600VDC UL 550A With Striker…
Alternate Item Number: D73GB55V550EF
Documents & Media
Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- 550A rated current for high-power applications
- 550VDC/600VDC voltage rating for power conversion systems
- Square body design with open slot blades for flexible mounting
- Pure silver element embedded in solidified sand for controlled arcing
- Low I²t values (1855 kA²s pre-arcing, 8800 kA²s clearing) for semiconductor protection
- Rated breaking capacity of 150 kA for high fault current interruption
- Compatible with low-voltage trip indicator for system monitoring
- Class gR per IEC 60269-4 and VDE 636-23 for semiconductor fuse applications
Specifications
Amperage Rating | 550 A |
Application | Protection of inverters, motor drives, UPS systems and similar 600V or less equipments. |
Brand Name | Mersen |
Case | Ceramic |
Connection | Open Slot Blades |
Connection Type | Open Slot Blades |
Current Rating | 550 A |
Current Rating | 550A |
DC Voltage Rating | 600 V |
Material | Silver |
Material | Pure silver elements embedded in solidified sand |
Mounting | Bolted |
Mounting Type | Open Slot Blade Mounting |
Series | Protistor® |
Series | Protistor |
Size | Size 73 gR |
Size | 5.25 x 2.87 x 3.09 in |
Size | 133.4 x 73 x 78.5 mm |
Special Features | Multiple body sizes and terminals or blades combination gR Class according to IEC 60269-4 and VDE 636-23 Low I²t for improved semiconductor protection Extremely fast acting Eliminate all overloads Excellent cycling capability |
Standard | IEC 60269-4 Compliance UL/CSA Recognized E76491 CCC GB 1359.4 |
Sub Brand | Protistor® |
Type | Square Body High-Speed Fuse-Links DC Protection |
Type Of Indicators | Striker |
Voltage Rating | 550 VDC / 600 VDC |
Voltage Rating | 600 V |
Voltage Rating | 550VDC/600VDC |
Wattage | 84 W |
Package Dimensions (L x W x H) | 5.25 in x 2.87 in x 3.09 in |
Package Dimensions (L x W x H) | 133.4 mm x 73 mm x 78.5 mm |
Package Weight (Imperial) | 3.031 lb |
Package Weight (Metric) | 1.375 kg |
GPM-SRR90
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
C331156
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
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 voltage range for Protistor size 73 gR fuses?
The voltage range for these fuses is 350 to 600 VDC.
What is the ampere range for Protistor size 73 gR fuses?
The ampere range for these fuses is from 315 A to 1000 A.
What is the pre-arcing I²t for the G233019 item number?
The pre-arcing I²t for the G233019 item number is 68007 A²s.
What is the power dissipation at In for G233019?
The power dissipation at In for G233019 is 84 W.
What is the weight of the G233019 fuse?
The weight of the G233019 fuse is 1.38 kg.
What is the IEC rated voltage for the G233019 fuse?
The IEC rated voltage for the G233019 fuse is 550 V.
What is the UL rated voltage for the G233019 fuse?
The UL rated voltage for the G233019 fuse is 600 V.
What class does the Protistor size 73 gR fuse belong to?
The Protistor size 73 gR fuse is gR Class according to IEC 60269-4 and VDE 636-23.
What type of semiconductor devices are these fuses designed to protect?
These fuses are engineered to protect diodes, thyristors, GTO's, and IGBT devices.
What are the applications for these Protistor fuses?
They are used for the protection of inverters, motor drives, UPS systems, and similar 600V or less equipment.
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.