Mersen MDC10A3-1/2S Fuse MDC10A - DC Distribution 750VAC 1000VDC 3.5A Type Auxiliary Surface Screw Mount
Alternate Item Number: MDC10A3-1/2S
UPC: 782001509965
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Overview
- Voltage rating: 750VAC / 1000VDC
- Current rating: 3.5A
- Surface screw mount with 1/4-20 thread
- Part of Mersen MDC DC Distribution Series
Specifications
AC Voltage Rating | 750 V |
Amperage Rating | 3.5 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 |
Connection Type | Screw Mount |
Current Rating | 3.5A |
DC Voltage Rating | 1000 V |
Mounting | PC Mount |
Mounting Type | Surface Screw Mount |
Series | MDC DC Distribution Series |
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 |
Voltage Rating | 750VAC 1000VDC |
Voltage Rating | 750VAC/1000VDC |
Voltage Rating | 1000VDC 750VAC |
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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Frequently Asked Questions
What is the maximum DC voltage rating for the MDC10A series?
The MDC10A series fuses are rated for a maximum DC voltage of 1000VDC.
What is the current rating range for MDC10A fuses?
The MDC10A fuses are available in current ratings from 1A to 30A.
What is the interrupting rating of the MDC10A fuses?
The MDC10A fuses have an interrupting rating of 50kA at 1000VDC.
What approvals and standards does the MDC10A series meet?
It is UL Recognized Component, CSA Component Certified, and IEC 60269-1 & 60269-6 Approved (CB Tested).
What are the dimensions of the MDC10A fuses?
The MDC10A fuses have dimensions of 10x38mm.
What are the applications for the MDC10A series?
Applications include DC Distribution, DC Cabling and Bus, DC Auxiliary Circuits, Electrical Energy Storage, EV Charging, Critical Power, and UPS Protection.
What is the recommended mounting torque for surface mount MDC10A fuses?
For surface mount MDC10A fuses (1-30A) with a 1/4-20 thread size, the recommended torque is 5.5 N-m or 50 In-lbs.
What is the minimum breaking capacity (MBC) for MDC10A fuses?
The MBC is 1.3 x In for 1-7A ratings and 2.0 x In for 8-30A ratings, with L/R ≤1ms.
What is the clearing I2t value for a 30A MDC10A fuse at 1000VDC?
The clearing I2t at 1000VDC for a 30A MDC10A fuse is 1850 A2s.
What is the time constant (L/R) for MDC10A fuses?
The DC Time Constant L/R for all MDC10A fuses is ≤1 ms.
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.