Mersen MEV100C20 - EVpack Fuse 1000VDC UL 20A Max. Rated Breaking Capacity DC: 20 kA @ 1000 V L/R ≤ 1 ms Clip
Mersen

MEV100C20

Alternate Item Number: MEV100C20

UPC: 782001482381


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Overview

The Mersen MEV100C20 EVpack Fuse (SKU: MEV100C20) provides essential DC over-current protection for electric vehicle (EV), hybrid electric vehicle (HEV), and battery energy storage systems (BESS). This UL-listed fuse is rated for 1000VDC and 20A, featuring a maximum breaking capacity of 20 kA at 1000V. Its fast-acting response is characterized by an L/R ratio of ≤ 1 ms, ensuring rapid interruption of fault currents. Engineered specifically for DC applications, the MEV100C20 offers a minimum breaking capacity (MBC) below 3kA, facilitating optimal coordination with DC contactors. This design is crucial for safeguarding sensitive electronics and battery cells from damage caused by overcurrent events. The fuse utilizes a clip-mount design for secure and reliable installation within battery pack protection systems. Mersen's EVpack line offers a range of current ratings from 8A to 600A, with the MEV100C20 serving as a key component for high-voltage DC circuit protection. Its country of origin is the US.
  • 1000VDC rated for high-voltage DC applications
  • 20A current rating suitable for EV and BESS circuits
  • 20 kA @ 1000 V maximum breaking capacity
  • L/R ≤ 1 ms for rapid fault current interruption
  • UL-listed and clip-mounted for secure installation

Specifications

Amperage Rating
20 A
Application
EV/HEV Electrical Energy Storage Battery pack protection Battery Disconnect Unit (BDU) Battery Junction Box for auxiliaries Battery charger Supercapacitor pack protection Backup protection for DC relay / disconnector / switch Maintenance Safety Disconnect (MSD)
Brand Name
Mersen
Connection
clip
Connection Material
Tin-Plated Copper
Connection Type
Clip
Current Rating
20 A
DC Voltage Rating
1000 V
Mounting
Clip
Mounting Type
Clip Mount
Mounting Type
Clip
Series
EVpack
Size
1.5 x 0.41 in
Size
38 x 10.3 mm
Special Features
Design for DC applications Low watt losses High cycling performance Full coverage of battery module voltage and current Ultra compact size Current Ratings (In): 8 to 600A Interrupting Rating (IR): 20kA @ 1,000 VDC, L/R =1ms
Standard
Complies to Automotive IATF 16949:2016 Quality System Power Cycling & Vibration JASO D622
Type
Battery Pack Fuses
Voltage Rating
1000VDC
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 mm x 10.3 mm x 10.3 mm
Package Weight (Imperial)
0.016 lb
Package Weight (Metric)
0.007 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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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.