Mersen MDC10A12S - Fuse MDC10A - DC Distribution 750VAC 1000VDC 12A Type Auxiliary Surface Screw Mount
Mersen

MDC10A12S

Alternate Item Number: MDC10A12S

UPC: 782001509828


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Overview

The Mersen MDC10A12S is a Type Auxiliary Surface Screw Mount fuse engineered for robust DC distribution systems. This fuse is rated for operation up to 1000VDC and 750VAC, offering versatile protection across a wide voltage range. With a precise current rating of 12A, the MDC10A12S delivers optimal current limitation, ensuring maximum performance and safeguarding DC circuits. Its application extends across critical sectors including industrial environments, renewable energy installations, and transportation systems where reliable power distribution is paramount. The MDC Series is built upon Mersen's established fuse technologies, guaranteeing dependable coordination with other DC components. This reliable coordination is crucial for minimizing unnecessary downtime in systems where continuous operation is essential. The MDC10A12S features a compact surface mount design, facilitating straightforward integration into both existing electrical installations and new system designs. Its screw terminals provide a secure and efficient connection method. Manufactured in the US, this fuse supports system integrators and OEMs by offering a dependable protection solution that addresses the evolving demands of modern DC distribution networks.
  • Voltage rating: 750VAC / 1000VDC
  • Current rating: 12A
  • Type: Auxiliary Surface Screw Mount
  • Designed for DC distribution systems
  • Manufactured in the US by Mersen

Specifications

AC Voltage Rating
750 V
Amperage Rating
12 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
Surface Screw Mount
Connection Material
Tin-Plated Copper
DC Voltage Rating
1000 V
Mounting
PC Mount
Size
2.52 x 0.41 in
Size
64.008 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
Package Dimensions (L x W x H)
2.52 in x 0.39 in x 0.56 in
Package Dimensions (L x W x H)
64.008 mm x 9.906 mm x 14.224 mm
Package Weight (Imperial)
0.022 lb
Package Weight (Metric)
0.010 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.

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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.