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Mersen MEV50A600-38G - EVpack Fuse 500VDC UL 500VDC IEC 600A Size 38G Max. Rated Breaking Capacity DC: 30 kA @ 500 V, L/R ≤ 2.5 ms Bolted
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Mersen MEV50A600-38G EVpack Fuse 500VDC UL 500VDC IEC 600A Size 38G Max. Rated Breaking Capacity DC: 30 kA @…

Alternate Item Number: MEV50A600-38G


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Specification Sheet

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Overview

The Mersen MEV50A600-38G is an EVpack DC fuse designed for over-current protection in electric vehicle (EV), hybrid electric vehicle (HEV), and battery energy storage systems. This fuse offers reliable clearing of DC fault currents up to 30 kA at 500 VDC with an L/R ratio less than or equal to 2.5 ms. It is part of Mersen's EVpack-fuse line, engineered for the specific needs of DC applications. Key features and benefits include: * **DC Application Design:** Specifically developed for direct current circuits. * **Low Watt Losses:** Minimizes energy consumption. * **High Cycling Performance:** Suitable for applications with frequent current fluctuations. * **Full Coverage:** Addresses a wide range of battery module voltages and currents. * **Ultra Compact Size:** The 38G size allows for efficient integration into space-constrained systems. Technical Specifications: * **Voltage Rating:** 500 VDC Max. * **Current Rating (In):** 60 to 800A (this unit is rated 600A). * **Interrupting Rating (IR):** 30 kA @ 500 VDC, L/R ≤ 2.5 ms. * **Connection Type:** Bolted. * **Standards:** IEC 60 269-4, ISO 8820-8. Applications: This fuse is ideal for: * EV/HEV powertrains * Electrical Energy Storage systems * Battery pack protection * Battery Disconnect Units (BDU) * Battery Junction Boxes for auxiliaries * Battery chargers * Supercapacitor pack protection * Backup protection for DC relays, disconnectors, and switches * Maintenance Safety Disconnects (MSD) The MEV50A600-38G provides best-in-class protection performance for DC applications, offering reliable fault current clearing and compatibility with DC contactors, featuring a Minimum Breaking Capacity (MBC) less than 2 kA for precise cable protection matching.
  • Designed for DC applications
  • Low watt losses and high cycling performance
  • Full coverage of battery module voltage and current
  • Ultra compact 38G size
  • 500 VDC Max., 600A, 30kA IR @ 500VDC, L/R ≤ 2.5ms

Specifications

Amperage Rating
600 A
Application
EV/HEV Battery pack protection Battery Disconnect Unit (BDU) Battery Management Systm (BMS) Battery Junction Box for auxiliaries On-Board Charging
Brand Name
Mersen
Case
GMG
Connection
Bolted
Connection Type
Bolted
Current Rating
600 A
DC Voltage Rating
500 V
Frequency
Not explicitly stated
Ip Rating
Not explicitly stated
Material
Not explicitly stated
Mounting
Bolted
Mounting Type
Not explicitly stated
Nema Rating
Not explicitly stated
Poles
Not explicitly stated
Series
EVpack-fuse
Size
4.06 x 1.5 in
Size
103 x 38 mm
Size
Size 38G
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): 5 to 800A Interrupting Rating (IR) for MEV55C: 20kA @550VDC, L/R = 1ms Interrupting Rating (IR) for MEV50A: 30kA @500VDC, L/R = 2.5ms
Standard
Complies to Automotive IATF 16949:2016 Quality System IEC 60 269-4 ISO 8820-8 JAS0 D622
Type
Battery Pack Fuses
Voltage Rating
500 V
Package Dimensions (L x W x H)
4.06 in x 1.5 in x 1.5 in
Package Dimensions (L x W x H)
103 mm x 38 mm x 38 mm
Package Weight (Imperial)
0.379 lb
Package Weight (Metric)
0.172 kg
Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount

GPM-SRR90

Fuse Block 600VAC 600VDC Class CC 30A 1/4in Quick Connect / Solder 90 angle screw Knob Panel Mount
Fuse Block 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip

30323R

Fuse Block 600VAC 600VDC Class CC 30A 3-Pole Pressure Plate with Reinforced Clip
Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20

C331156

Fuse Holder UltraSafe™ 800VAC 1000VDC UL Fuse size 14x51 1-Pole Visual Indicator Microswitch Pressure Plate IP20
Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

E1062696

Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20
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.

LCC5

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.
9F61 Size B Clips 1.6in

9F61BWW460

9F61 Size B Clips 1.6in

Frequently Asked Questions

What is the power dissipation at 0.5 In for the MEV50A600-38G fuse?

The power dissipation at 0.5 In for the MEV50A600-38G fuse is 17.6 W.

What is the pre-arcing I²t for the MEV50A600-38G fuse?

The pre-arcing I²t for the MEV50A600-38G fuse is 73750 A²s.

What is the clearing I²t at rated voltage for the MEV50A600-38G fuse?

The clearing I²t at rated voltage for the MEV50A600-38G fuse is 565000 A²s.

What is the maximum DC voltage rating for the MEV50A fuse?

The maximum DC voltage rating for the MEV50A fuse is 500 VDC.

What is the current rating range for the MEV50A fuse?

The current rating range for the MEV50A fuse is from 60A to 800A.

What is the interrupting rating (IR) of the MEV50A fuse?

The interrupting rating (IR) of the MEV50A fuse is 30kA at 500VDC.

What is the L/R time constant requirement for the MEV50A fuse?

The L/R time constant must be less than or equal to 2.5ms for the MEV50A fuse.

What applications is the MEV50A fuse designed for?

The MEV50A fuse is designed for DC applications such as EV/HEV, Electrical Energy Storage, and battery pack protection.

What are the key features of the MEV50A fuse?

Key features include design for DC applications, low watt losses, high cycling performance, full voltage and current coverage, and an ultra-compact size.

What standards does the MEV50A fuse comply with?

The MEV50A fuse complies with IEC 60 269-4, ISO 8820-8, and JAS0 D622 standards.

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.