Mersen MDC10A20 - Fuse MDC10A - DC Distribution 750VAC 1000VDC 20A Type Auxiliary Ferrule
Mersen

MDC10A20

Alternate Item Number: MDC10A20

UPC: 782001507787


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Overview

The Mersen MDC10A20 is a 20A DC fuse designed for reliable protection in DC distribution systems. It operates at up to 1000VDC and 750VAC, featuring an auxiliary ferrule type for simplified installation and replacement. This fuse is part of Mersen's MDC Series, engineered to provide optimal current limitation and coordination with other DC components, thereby reducing system downtime. The MDC Series utilizes proven fuse technologies to ensure maximum performance and system safety. It is suitable for system integrators and OEM manufacturers working with DC distribution applications such as renewable energy systems, industrial automation, and battery storage solutions. The auxiliary ferrule design facilitates easy integration into existing infrastructure. The MDC10A20 is compatible with Mersen's broader DC protection portfolio, ensuring consistent performance across various operating conditions. Manufactured in the US, this fuse addresses the challenges of modern DC distribution requirements. SKU: MDC10A20.
  • 1000VDC and 750VAC rated for robust DC distribution protection
  • 20A current rating suitable for various industrial applications
  • Auxiliary ferrule type simplifies installation and replacement
  • Part of Mersen's MDC Series for reliable DC system safety
  • Manufactured in the US for quality assurance

Specifications

AC Voltage Rating
750 V
Amperage Rating
20 A
Application
DC Distribution DC Cabling and Bus DC Auxiliary Circuits Electrical Energy Storage EV Charging Critical Power UPS Protection
Body Material
GMG
Brand Name
Mersen
Connection
Ferrule
Connection Material
Tin-Plated Copper
Connection Type
Auxiliary Ferrule
Current Rating
20 A
Current Rating
20A
DC Voltage Rating
1000 V
Interrupt Rating
100 kA
Mounting
Clip
Series
MDC DC Distribution Series
Series
MDC
Series
MDC Series
Size
1.5 x 0.41 in
Size
38.1 x 10.312 mm
Special Features
Designed for DC applications Low watt losses High cycling performance Low & high current interrupting capability Ultra compact size
Standard
UL Recognized Component File E60314
Type
DC Fuses
Voltage Rating
750VAC 1000VDC
Voltage Rating
750 VAC / 1000 VDC
Package Dimensions (L x W x H)
1.5 in x 0.41 in x 0.41 in
Package Dimensions (L x W x H)
38.1 mm x 10.312 mm x 10.312 mm
Package Weight (Imperial)
0.012 lb
Package Weight (Metric)
0.005 kg

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.