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Approvals & Standards

  • Power Cycling: JASO D622 & ISO 8820-8
  • Vibration: JASO D622
  • Environmental: JASO D622 (Consult Factory)
  • UL pending

Key features & benefits

EVpack-fuse line-up belongs to the new DC Over-Current protection (O.C.P.) range developed by MERSEN to address specific needs in EV/HEV and Battery Electrical Storage System.
EVpack-fuse provides the ultimate protection of the battery pack offering reliable clearing of DC fault currents.
It has been specifically engineered and tested to provide DC applications best-in-class protection performance: Up to 800VDC, Current rating (In)= 100 to 350A, Interrupting Rating (IR) = 30kA, L/R ≤1ms, Minimum Breaking Capacity (MBC) < 2kA for a perfect matching with DC contactor.

More specifications


  • EV/HEV
  • Battery pack protection
  • Battery Disconnect Unit (BDU)
  • Battery charging pole & station
  • Supercapacitor bank protection
  • Backup protection for DC relay / disconnector / switch
  • Maintenance Safety Disconnect (MSD)
  • Electrical Energy Storage

Product Specifications

Item Number


Catalog number


Item Description (ERP)



EVpack-fuse MEV80, 800 VDC Max., L/R ≤ 1ms, 1 250 A  

Rated voltage DC UL

800   V

Rated current

250   A


PC Mount  

Max. Rated Breaking Capacity DC

2…30 kA @ 800 V, L/R ≤ 1 ms  

Minimum breaking capacitiy (MBC)

1500   A

Power Dissipation at Intermediate Current Value

7 W @ 0.5 In  

Contact materials

Nickel-Plated Copper  

Connection/Terminal Type

Surface Screw Mount  

Product Weight

0.25   kg

Product Width

51.6   mm

Product Length

104.6   mm

Product Height

27.2   mm

Sell Pack Quantity

8   EACH

Sell Pack Weight

2   kg

Sell Pack Width

152.9   mm

Sell Pack Length

275.1   mm

Sell Pack Height

84.1   mm