Mersen MEV70A175-4 - EVpack Fuse 700VDC UL 175A Max. Rated Breaking Capacity DC: 20 kA @ 700 V L/R ≤ 1 ms Bolted
Mersen

MEV70A175-4

Alternate Item Number: MEV70A175-4

UPC: 782001482244


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Overview

The Mersen MEV70A175-4 EVpack Fuse is a critical component within Mersen's DC Over-Current Protection (O.C.P.) range, specifically developed for Electric Vehicle (EV), Hybrid Electric Vehicle (HEV), and Battery Electrical Storage Systems (BESS). This fuse provides essential protection for battery packs by reliably clearing DC fault currents. Engineered and tested for DC applications, it offers best-in-class protection performance with a maximum rated voltage of 700VDC. The current rating (In) is 175A, and it features an interrupting rating (IR) of 20 kA at 700V. The fuse is designed for L/R ratios of less than or equal to 1 ms and includes a Minimum Breaking Capacity (MBC) of less than 3kA. This specification ensures compatibility with DC contactors and allows it to withstand high inrush currents in auxiliary applications, such as air conditioning systems, as demonstrated with the MEV70V model. The bolted connection ensures a secure and reliable electrical interface. Manufactured in the US, this fuse (SKU: MEV70A175-4) is built to meet the demanding requirements of modern energy storage and electric mobility solutions.
  • 700VDC maximum rated voltage
  • 175A current rating (In)
  • 20 kA DC interrupting rating (IR) at 700V
  • L/R ≤ 1 ms for DC fault clearing
  • Bolted connection for secure installation

Specifications

Amperage Rating
175 A
Application
Electrical Energy Storage Battery pack protection Battery charger Supercapacitor pack protection Backup protection for DC relay / disconnector / switch Maintenance Safety Disconnect (MSD)
Brand Name
Mersen
Connection
Bolted
Connection Type
Bolted
Current Rating
175 A
DC Voltage Rating
700 V
Mounting
Bolted
Series
EVpack-fuse
Size
3.63 x 1.22 in
Size
92.2 x 31 mm
Special Features
Design for DC applications Low watt losses High cycling performance Ultra compact size Current Ratings (In): 35 to 600A Interrupting Rating (IR): 20kA @ 700VDC, L/R =1ms High inrush current capability
Standard
Power Cycling & Vibration JASO D622
Type
Battery Pack Fuses
Voltage Rating
700 V
Package Dimensions (L x W x H)
3.63 in x 1.22 in x 1.22 in
Package Dimensions (L x W x H)
92.2 mm x 31 mm x 31 mm
Package Weight (Imperial)
0.364 lb
Package Weight (Metric)
0.165 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.