Mersen A250C65-10 - Medium Voltage Capacitor Fuse 2500VAC 65A Male To Female Stud Visual Indicator Amp-Trap®
Mersen

A250C65-10

Alternate Item Number: A250C65-10

UPC: 782001348205


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Overview

The Mersen A250C65-10 is a medium voltage capacitor fuse designed to ANSI C37-41 standards, providing essential protection for capacitor banks. This Amp-Trap® series fuse operates with a current-limiting function, ensuring quiet operation without noise or discharge. It is intended for use in general-purpose indoor enclosures or weatherproof outdoor enclosures. Crucially, this is a non-disconnecting fuse, requiring a separate disconnect switch for safe operation. The A250C65-10 offers both short circuit and overload protection, specifically engineered to prevent capacitor case rupture or dielectric failure within the capacitor unit. With a voltage rating of 2500 VAC and a current rating of 65 A, its male-to-female stud connection type facilitates straightforward integration into various mounting configurations. Mersen provides manufacturers with a range of cost and space-saving solutions and a broad selection of equivalent products, making the A250C65-10 a reliable choice for capacitor protection. Manufactured in the US.
  • 2500 VAC voltage rating
  • 65 A current rating
  • Male to Female Stud connection
  • Visual Indicator for status
  • ANSI C37-41 compliant

Specifications

AC Voltage Rating
2500 V
Amperage Rating
65 A
Application
Capacitor Protection Power Factor Correction Equipment Harmonic Filtering Equipment Induction Heating System High Power Drive Welders
Body Material
GMG
Connection
Male To Female Stud
Connection Material
Tin-Plated Brass
Interrupt Rating
50 kA
Mounting
Direct Mount
Size
7.67 x 1.42;194.818 x 36.068 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)
7.67 in x 1.42 in x 1.42 in
Package Dimensions (L x W x H)
194.818 mm x 36.068 mm x 36.068 mm
Package Weight (Imperial)
1.150 lb
Package Weight (Metric)
0.522 kg
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A550C65-15

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A550C65-70

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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.