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Approvals & Standards

  • IEC 60 269-4
  • ISO 8820-8
  • JAS0 D622

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 500VDC, Current rating (In)= 60 to 800A, Interrupting Rating (IR) = 30kA, L/R ≤2.5ms, Minimum Breaking Capacity (MBC) < 2kA for a perfect matching with DC contactor.

More specifications


  • EV/HEV
  • Electrical Energy Storage
  • Battery pack protection
  • Battery Disconnect Unit (BDU)
  • Battery Junction Box for auxiliaries
  • Battery charger
  • Supercapacitor pack protection
  • Backup protection for DC relay / disconnector / switch
  • Maintenance Safety Disconnect (MSD)

Product Specifications

Item number


Catalogue No.


Item Description (ERP)


Short Description

Fusible EVpack 500VDC UL/CEI 150A 25G Max. BC: 30kA@500V,L/R≤ 2.5ms De tornillo  



Rated voltage DC UL

500   V

Rated voltage DC IEC

500   V

Ampere Rating

150   A

ROHS Compliant


AC or DC




Fuse Size



De tornillo  

Melting I2t

4610   A²s

Max. Rated Breaking Capacity DC

30 kA @ 500 V, L/R ≤ 2.5ms  

Max. Time to clear MBC

0.5   s

DC Min. Breaking Capacity (MBC)

750 A @ 500 VDC, ≤ 2.5 ms  

DC Total clearing I2t

51000 A²s  

Power Dissipation at Intermediate Current Value

3.1 W @ 0.5 In  

Connection/Terminal Material

Cobre bañado en estaño  

Connection/Terminal Type

De tornillo  

Body/Insulating Material


Product Weight

0.165   lb

Product Diameter

0.98   in

Product Length

3.62   in

Sell Pack Quantity

12   EA

Sell Pack Weight

1.984   lb

Sell Pack Width

10.67   in

Sell Pack Length

6.26   in

Sell Pack Height

3.54   in