Skip to main content

All locations

Please select your country & language

China | 中国
Germany | Deutschland

Your country is not in the list?

Go to our international website:

Mersen EP International Website
Country / Language:  Canada / English
Contact us

Approvals & Standards

  • Complies to Automotive IATF 16949:2016 Quality System
  • IEC 60 269-4
  • ISO 8820-8
  • JAS0 D622

Key features & benefits

EVpack-fuse line-up belongs to Mersen’s DC Over-Current protection (O.C.P.) portfolio specifically developed to address on-board electric and hybrid vehicles applications.
EVpack-fuse provides the ultimate protection by offering reliable clearing of DC fault currents in challenging environments and complies with the high-quality requirements of the automotive industry.
The MEV55C has specifically engineered and tested to provide best-in-class protection performance for auxiliary circuits: Up to 550VDC, Current rating (In)= 5 to 50A, Interrupting Rating (IR) = 20kA,L/R ≤1ms, Minimum Breaking Capacity (MBC) as low as 2xIn for a perfect matching with cable protection.
The MEV50A has been specifically engineered and tested to provide best-in-class protection performance for main battery and on-board charging protection: Up to 500VDC, Current rating (In)= 60 to 800A, Interrupting Rating (IR) = 30kA, L/R ≤ 2.5ms, Minimum Breaking Capacity (MBC) as low as 2xIn or a perfect matching with DC contactor.

More specifications


  • EV/HEV
  • Battery pack protection
  • Battery Disconnect Unit (BDU)
  • Battery Management Systm (BMS)
  • Battery Junction Box for auxiliaries
  • On-Board Charging

Product Specifications

Item Number


Catalog number



EVpack Fuse 550VDC UL 20A Max. Rated Breaking Capacity DC: 20 kA @ 550 V L/R ≤ 1 ms Clip  

EAN/UPC code


Rated voltage DC UL

550   V

Rated current

20   A

ROHS Compliant


AC or DC




Max. Rated Breaking Capacity DC

20 kA @ 550 V, L/R ≤ 1 ms  

Minimum breaking capacitiy (MBC)

40   A

Power Dissipation at Intermediate Current Value

0.56 W @ 0.5 In  

Contact materials

Tin-Plated Copper  

Connection/Terminal Type


Product Weight

0.0075   kg

Product Diameter

10.3   mm

Product Length

38   mm

Sell Pack Quantity

10   EA

Sell Pack Weight

0.075   kg

Sell Pack Width

0.9   mm

Sell Pack Length

1.6   mm

Sell Pack Height

2.1   mm