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Overview
- ANSI C37-41 compliant medium voltage capacitor fuse
- Rated 2500VAC, 50A with 50 kA RMS symmetrical interrupting rating
- Current-limiting design prevents capacitor case rupture and dielectric failure
- Male stud to L bracket connection for secure mounting
- Visual indicator for clear status indication; manufactured in the USA
Specifications
AC Voltage Rating | 2500 V |
Amperage Rating | 50 A |
Application | Capacitor Protection Power Factor Correction Equipment Harmonic Filtering Equipment Induction Heating System High Power Drive Welders |
Body Material | GMG |
Connection | Male Stud To L Bracket |
Connection Material | Tin-Plated Copper And Tin-Plated Brass |
Interrupt Rating | 50 kA |
Mounting | Direct Mount |
Size | 9.11 x 1.1;231.394 x 27.94 in;mm |
Special Features | High interrupting capacity Current limitation Blown-fuse indication Direct mount Clip style mount Bus mount Non-venting for silent operation |
Standard | ANSI |
Type | Capacitor Protection Fuses |
Type of Indicators | Visual Indicator |
Package Dimensions (L x W x H) | 9.11 in x 1.25 in x 1.25 in |
Package Dimensions (L x W x H) | 231.394 mm x 31.75 mm x 31.75 mm |
Package Weight (Imperial) | 1.410 lb |
Package Weight (Metric) | 0.640 kg |
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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.
Frequently Asked Questions
What voltage rating does the A250C80-50 support?
The A250C80-50 supports a maximum voltage rating of 2500VAC.
What is the interrupting rating of this fuse?
The fuse has a phase interrupting rating of 50 kA RMS symmetrical at 2500V.
Does this fuse include a visual indicator?
Yes, the A250C80-50 features a visual indicator for fuse status.
What is the mounting configuration for this fuse?
The fuse uses a male stud to L bracket mounting configuration for secure installation.
Where is this fuse manufactured?
The A250C80-50 is manufactured in the USA by Mersen.
What standards does this fuse comply with?
The fuse complies with ANSI C37-41 standards for medium voltage capacitor protection.
Is a disconnect switch required for installation?
Yes, a separate disconnect switch is required for installation as this is a non-disconnecting fuse.
What is the melting I²t value of the A250C80-50?
The melting I²t value for the A250C80-50 is 25 kA²s.
What is the maximum clearing I²t value?
The maximum clearing I²t value for the A250C80-50 is 85 kA²s.
What type of applications is this fuse suitable for?
The fuse is suitable for medium voltage capacitor bank protection in industrial applications.
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.