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Approvals & Standards

  • Power Cycling & Vibrations: JASO D622
  • IATF - ISO/TS 16949 Quality management undergoing certification

Key features & benefits

M-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.
M-fuse provides the ultimate protection of the battery modules 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 100VDC, Current rating (In) = 50 to 200A, Interrupting Rating (IR) = 20kA, L/R ≤1.5ms, Minimum Breaking Capacity (MBC) < 1kA.

More specifications


  • Battery modules protection
  • EV/HEV
  • Electrical Energy Storage
  • Supercapacitor module protection

Product Specifications

Item Number


Catalog number


Item Description (ERP)



M-fuse MF 100VDC Max., L/R ≤1.5ms, 160 A  

EAN/UPC code


Rated voltage DC UL

100   V

Rated current

160   A

ROHS Compliant




Power Dissipation at Intermediate Current Value

3.1 W @ 0.5 In  

Contact materials

Silver-Plated Copper  

Connection/Terminal Type


Product Weight

0.028   kg

Product Diameter

17.8   mm

Product Length

55.6   mm

Product Height

18.4   mm

Sell Pack Quantity

10   EACH

Sell Pack Width

20   mm

Sell Pack Length

180   mm

Sell Pack Height

65   mm